Toluene diisocyanate pubchem. html>br

PubChem Reference Collection SID. Oct 24, 2023 · Exposure to TDI and related compounds is well known to result in skin and lung sensitization among workers and has been documented to cause asthma, lung damage, and in severe cases, fatal reactions. Diisocyanate 4,40-MDI 2,4-TDI HDI IPDI CASRN 101-68-8 584-84-9 822-06-0 4098-71-9 Structure Molecular weight (g/mol) 250. U. Production and use. It is also known as 4,4'-methylenedi (cyclohexyl isocyanate) or Technical Service. Oct 14, 2021 · Toluene ethanol | C9H14O | CID 21863594 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities In a group of 37 rotogravure printers a close correlation (rs = 0. (1) Exposure usually occurs to a mixture of toluene 2,4- and 2,6-diisocyanate, and not to the individual Toluene-2,6-diisocyanate, 97%, Thermo Scientific Chemicals. Pure MDI is used in the production of a variety of polyurethane 26471-62-5 ; TOLUENE DIISOCYANATE. svg. 174. Two of the six possible isomers are commercially important: 2,4-TDI (CAS: 584-84-9) and 2,6-TDI (CAS: 91-08-7). Complete Update on 03/28/2001, 2 fields added/edited/deleted. It has a role as a mutagen. Discusses the recognition, evaluation, and control of diisocyanate exposures. Show details Table 1. 481180347. Aug 25, 2014 · toluene diisocyanate (mixed isomers) 26471-62-5; 2,4-toulene diisocynate; benzene, 1,3-diisocyanatomethyl-isocyanic acid, methyl-m-phenylene ester; isocyanic acid, methylphenylene ester; toluene diisocyanate; 9mtx1pk3qo TOLUENE 2,6-DIISOCYANATE. 042923 Da. Toluene 2,4-diisocyanate purum, suitable for electron microscopy, ≥98. It is also frequently used to produce other chemicals such as benzene and toluene diisocyanate. Chamblee, GA 30341-3717. 7 mg/kg, median 3. Activity recording is turned off. 2 168. Glycerol, soya oil, tung oil, toluene diisocyanate polyurethane resin ; PubChem. Toluene diisocyanate. Other effects include respiratory problems, stomach gas, rise in blood pressure, dizziness, convulsions, fainting, and coma. In 1976, 560 million lb of toluene diisocyanate was produced. 7040. Toluene-2,4-diisocyanate. 2 Specific Gravity at 25°/25°C Formula Weight. 67X10-4 mm Hg at 25 °C (1), and water solubility, 204 mg/L (2). 3 174. Year introduced: 1994. Jan 2, 2024 · Chemsrc provides toluene 2,4-diisocyanate(CAS#:584-84-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. 78) was found between the time weighted toluene exposure during a five day working week (range 8-416 mg/cu m, median 75) and the concentration of toluene in subcutaneous adipose tissue (range 1. , CO 2 , in either the liquid or supercritical state, optionally in the presence of a coextractant diluent, for example an ester, aromatic hydrocarbon or Occupational exposure to 2,4-toluene diisocyanate can occur for those workers involved in its manufacture . and use. Dec 13, 2023 · Diisocyanates (also commonly known as isocyanates) are highly reactive and versatile chemicals with widespread commercial and consumer use. Toluene-2,4-diisocyanate 3D ball. The Toluene Diisocyanates (TDI) Action Plan (PDF) addresses EPA’s review of Toluene Diisocyanate (TDI) and related compounds, CASRNs 91-08-7, 584-84-9, 26471-62-5, 9017-01-0, 26747-90-0, and 26603-40-7. Toluene-2,6-diisocyanate is used as an organic chemical synthesis intermediate. MDI and TDI are available as pure isomers or as isomer mixtures. 32 g/mol. Acute (short-term) exposure to high levels of toluene-2,4-diamine in humans has caused severe skin and eye irritation sometimes leading to permanent blindness. at or above 200°F. LISTA GIUSEPPE (IT) Toluene diisocyanate (TDI) is separated and recovered from the residues of the production thereof, e. Mechanism is unclear, but may be related to an IgE mechanism Chemical Name Toluene Diisocyanate 2,4-Toluene Diisocyanate 2,6-Toluene Diisocyanate CAS No. Toluene diisocyanate exists in two isomeric forms (2,4-toluene diisocyanate and 2,6-toluene diisocyanate) which have similar properties and effects. CAS Registry Number: 26471-62-5 . The Henry's Law constant for 2,6-dinitrotoluene is estimated as 6. 06 from a recommended regression-derived equation (2,SRC). 156 Da. Toluene-2,6 chemical structure. In the European Union, approximately 790 thousand tonnes were manufactured in 1996, compared with 540 thousand tonnes in 1991 and 267 thousand tonnes in 1980; 215 thousand tonnes were processed in 1980 (European Union, 1999). , Thermo Scientific™ at Fishersci. 10. 09 μg/sample (MDI) Hydrogenated MDI ( H12MDI or 4,4′-diisocyanato dicyclohexylmethane) is an organic compound in the class known as isocyanates. 2 Names and Toluene 2,4-diisocyanate: Reviewed : Approved : Jan 31 1994 : Standards for Owners and Operators of Hazardous Waste Treatment, Storage, and Disposal Facilities : Toluene 2,4-Diisocyanate: Unknown : Approved : CAA112(b) HON : Toluene 2,4 diisocyanate: Reviewed : CAA112(b) HON : Toluene diisocyanate (2,4-) Reviewed : Hazardous Waste Injection Toluene diisocyanate is commonly produced as a mixture of the 2,4- and 2,6-isomers, that is used as a monomer in the preparation of polyurethane foams, elastomers and coatings, as a cross-linking agent for nylon-6, and as a hardener in polyurethane adhesives and finishes. 91-08-7 Synonyms TDI, Toluene Diisocyanate Molecular Formula CH3 C6 H3 (NCO)2 Molecular Weight 174. TDI and MDI have widespread commercial use due to their reactivity and versatility. image of molecular model or crystal lattice model. Atlanta (GA): Agency for Toxic Substances and Disease Registry (US); 2018 Jun. Toluene 2,4-Diisocyanate. Isophorone diisocyanate is a highly toxic substance if inhaled. Complete Update on 2006-06-05 . (1) The general public may be exposed to 2,4-toluene diisocyanate through emissions from urethane foam production facilities. 2001 Jul 11478630 Chemical and Physical Properties. This product is used in the preparation of polyurethane foams, prepolymers and elastomers. 2,4-TOLUENE DIISOCYANATE DIMER PZP0846SQD Other Structure General Names 6: Identifiers 6: Related Substances 1: 2,4-TOLUENE DIISOCYANATE DIMER PUBCHEM: Source: 93102. Toluene Diisocyanate ; Tolylene Diisocyanate ; Medical Subject Headings (MeSH) Toluene is used in making paints, paint thinners, fingernail polish, lacquers, adhesives, and rubber and in some printing and leather tanning processes. Department of Health and Human Services (DHHS), National Institute for Occupational Safety and Health (NIOSH) Publication No. 26471-62-5 CAS No. 57 mg/L @ 25 °C (est) Organoleptic Properties: Manufacture of toluene diisocyanate consumes much of the 2,4-DNT produced. Inventor. Update History: Complete Update on 2008-10-14 . [ 1] They are highly reactive compounds widely used to manufacture polyurethane foams and coatings. Death. ju. analogs and derivatives. png. It is a colorless, water -insoluble liquid with the odor associated with paint thinners. An absence of an alert does not imply the substance has no implications for human health, biodiversity or the environment but just that we do not have the data to form a judgement. It is used as a solvent and as an additive in gasolines to improve octane ratings. Water-toluene diisocyanate | C9H8N2O3 | CID 88483820 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological Glycerol, linseed oil, toluene diisocyanate polyurethane resin ; Linseed oil, glycerol, toluene diisocyanate polymer 3. Show details . 1 PubChem Reference Collection SID 2,6-Toluene diisocyanate; edit. MDI, the second type of DII, comes in two forms: pure MDI and polymeric MDI (PMDI). gov. Investigations have been undertaken with MDI and TDI to assess dermal uptake and resulting systemic exposure. 2,4-TDI is produced in the pure state, but TDI is often marketed as 80/20 and 65/35 mixtures of the 2,4 and 2,6 isomers respectively. Jan 22, 2009 · It is functionally related to an isophorone. Note. Evaluation of the Effectiveness of Air-Purifying Respirator Cartridges in Removing MDI Aerosols from Air. May 7, 2021 · Monostearyl-toluene diisocyanate | C27H42N2O2 | CID 129681114 - structure, chemical names, physical and chemical properties, classification, patents, literature Based on an estimated log Kow of 0. CCRIS Record Number: 596 . Structures and selected physical-chemical properties of the most commonly used diisocyanate monomers that are relevant to human and aquatic exposure. Average mass 174. Catalytic reduction of these isomers under hydrogen pressure forms the corresponding diamines, which are then treated with phosgene to yield TDI, made up of an 80:20 mixture of isomers 2,4- and 2,6-TDI (HSDB 2012). ChEBI. This Henry's Law constant indicates that 2,6-dinitrotoluene is expected to volatilize slowly from water surfaces (3). BASF Lupranate® T80 Toluene Diisocyanate. It can cause eye irritation and irreversible eye damage, lung and respiratory damage. 00 to 100. language of work or name. Some documentation and label information may refer to the legacy brand. 0% (GC) Chemical Name or Material. Phone: 1-800-CDC-INFO 888-232-6348 (TTY) Email: Contact CDC-INFO. 96-111, (1996). TDI is used primarily in the production of flexible foams. For more detailed information about its chemical composition, physical properties, uses and applications, or your exact chemical needs, call AB Enterprises at +91-9223381464 or submit an inquiry form: Toluene-2,6-diisocyanate, 97%, Thermo Scientific Chemicals. This Public Health Statement summarizes the Agency for Toxic Substances and Disease Registry’s (ATSDR) findings on toluene diisocyanate (TDI) and methylenediphenyl diisocyanate (MDI), including chemical characteristics, exposure risks, possible health effects from exposure, and ways to limit exposure. Not available because this is not a discrete structure. Last Revision Date: 20081014 . InChiKey: DVKJHBMWWAPEIU-UHFFFAOYSA-N. It is highly hazardous to aquatic environment. Apr 21, 2020 · For this purpose we conducted a systematic literature search for the time period 2000–end 2018, thereby focussing on three types of diisocyanates which account for the vast majority of the total isocyanate market volume: hexamethylene diisocyanate (HDI), toluene diisocyanate (TDI), and 4,4′-methylenediphenyl diisocyanate (MDI). 14) PubChem. 2 222. TDI has been used in the manufacture of polyurethane foam products as well as paints, varnishes, elastomers, and Toluenediisocyanate | C9H8N2O2-2 | CID 21584847 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. depicts. UNII: 78243HXH5O; Formula: PubChem. Physical Properties: Assay: 95. 2 (PubChem release 2021. 4. 159 MDL Number: MFCD00002010 InChI Key: RUELTTOHQODFPA-UHFFFAOYSA-N Synonym: 2,6-diisocyanatotoluene,toluene-2,6-diisocyanate,2,6-toluene diisocyanate,2-methyl-m-phenylene diisocyanate,2,6-tdi,m-tolylene Toxicological Profile for Toluene Diisocyanate and Methylenediphenyl Diisocyanate. Isophorone diisocyanate, also known as IPDI, is a chemical compound of cyanide and an aliphatic diisocyanate. Toluene-d6 2,4-Di-iso-cyanate | C9H6N2O2 | CID 168476924 - structure, chemical names, physical and chemical properties, classification, patents, literature m-Tolylidene diisocyanate | C9H8N2O2 | CID 118235884 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological May 14, 2018 · TOLUENE DIISOCYANATE . Rather, the intention is to identify well-established methods that Diethyl toluene-2,4-dicarbamate | C13H18N2O4 | CID 343975 - structure, chemical names, physical and chemical properties, classification, patents, literature PubChem CID. juiːn / ), also known as toluol ( / ˈtɒl. Substance with no pesticidal activity but sometimes used as a solvent or Dec 21, 2021 · Since 2001, exposure has been confirmed by measuring toluene diisocyanate adducts in the plasma and urine of exposed workers. 159 MDL Number: MFCD00002010 InChI Key: RUELTTOHQODFPA-UHFFFAOYSA-N Synonym: 2,6-diisocyanatotoluene,toluene-2,6-diisocyanate,2,6-toluene diisocyanate,2-methyl-m-phenylene diisocyanate,2,6-tdi,m-tolylene Jun 29, 2019 · Toluene diisocyanate (TDI) and Occupational Asthma (OA) Exposure to toluene diisocyanate is known to cause occupational asthma. 50 (ANI)(4), was synthesized by coupling tetraaniline and PEO600 with tolylene 2,4-diisocyanate For more information, contact: Agency for Toxic Substances and Disease Registry. P. The intent is not to provide an exhaustive list of analytical methods. NACRES: NA. Tolylene-2,4-diisocyanate. Commercial-grade TDI (which represents more than 95% of TDI industrial usage) is an 80:20 mixture of the two chemical isomers 2,4- and 2,6-TDI. ChemSpider ID 13835351. 2. 159 MDL Number: MFCD00002010 InChI Key: RUELTTOHQODFPA-UHFFFAOYSA-N Synonym: 2,6-diisocyanatotoluene,toluene-2,6-diisocyanate,2,6-toluene diisocyanate,2-methyl-m-phenylene diisocyanate,2,6-tdi,m-tolylene diisocyanate,meta-tolylene diisocyanate,toluene 2,6-diisocyanate,benzene, 1,3-diisocyanato-2-methyl,2,6-diisocyanato-1 2,4-Toluene diisocyanate 2,6-Toluene diisocyanate; Molecular weight a: 174. 7X10-7 atm-cu m/mole at 25 °C (SRC) derived from its vapor pressure, 5. Available literature did not include human studies evaluating lethality after inhalation exposure to TDI or MDI. It is employed as a crosslinking agent for nylon. It is an industrial chemical that is not known to occur naturally. Colorless to pale-yellow solid or liquid (above 71°F) with a sharp, pungent odor. Aliphatic diisocyanates are used in special applications, such as enamel coatings which are resistant to abrasion and degradation from ultraviolet light. g. 2. It is also commonly known as HDI, 1,6-hexamethylene diisocyanate, 1,6-diisocyanatohexane, Mondur HX, and Desmodur H. Subheadings: administration and dosage. CHEMICAL IDENTITY. 2,6-diaminotoluene is a diamine that is toluene in which both of the hydrogens ortho- to the methyl group are replaced by amino groups. . 2 Appearance Clear, Colorless Liquid Odor Strong, Pungent NCO Content (wt%) 48. Physical Form. Toluene-2,6-diisocyanate, 97%, Thermo Scientific Chemicals. TDI, 2,4-TDI, 2,4-Toluene diisocyanate. Toluenediamine, a metabolite of toluene diisocyanate, has been measured in the plasma at levels up to 27. This BCF value is not indicative of significant bioconcentration in aquatic organisms (SRC). 159 MDL Number: MFCD00002010 InChI Key: RUELTTOHQODFPA-UHFFFAOYSA-N Synonym: 2,6-diisocyanatotoluene,toluene-2,6-diisocyanate,2,6-toluene diisocyanate,2-methyl-m-phenylene diisocyanate,2,6-tdi,m-tolylene Air collected with an impinger and derivatized with 1-2MPP in toluene; acetylation; evaporation; dissolution in ACN/methanol buffer HPLC/ECHD/UV (Method 5521) 0. Class IIIB Combustible Liquid: Fl. title. Feb 15, 2022 · Shop Tolylene 2,4-diisocyanate, 80%, tech. Complete Update on 2006-12-04 . 2: Table 1, Properties of Toluene Diisocyanates - 15th Report on Carcinogens. 16. , from the tars of phosgenation of an aromatic diamine, by extracting such residues with an extractant which comprises an inert gas, e. Characteristic Methylenediphenyl diisocyanate Toluene diisocyanate; Chemical name: Benzene, 1,1 ’-methylenebis(4-isocyanato-) Benzene, 1,3-diisocyanato- methyl- Polyurethanes (PU) are polymers made with diisocyanates such as MDI (4,4'-methylene diphenyl diisocyanate) and TDI (2,4-toluene diisocyanate and 2,6-toluene diisocyanate). 4770 Buford Highway. It is used in the production of benzene, nylon, plastics, and polyurethane and the synthesis of trinitrotoluene (TNT), benzoic acid, benzoyl chloride, and toluene diisocyanate. The purpose of this chapter is to describe the analytical methods that are available for detecting, and/or measuring, and/or monitoring hexamethylene diisocyanate, its metabolites, and other biomarkers of exposure and effect to hexamethylene diisocyanate. Toluene diisocyanate is utilized in polyurethane foams and tank trucks. Structures drawn with PubChem Sketcher V2. There are two primary aromatic diisocyanates: toluene diisocyanate (TDI) and methylenediphenyl diisocyanate (MDI). Skin irritant and allergen used in the manufacture of polyurethane foams and other elastomers. Toluene 2,4-diisocyanate technical, ≥90% (GC); CAS Number: 584-84-9; EC Number: 209-544-5; Synonyms: Toluene diisocyanate,2,4-Diisocyanatotoluene,4-Methyl-m-phenylene diisocyanate,Tolylene 2,4-diisocyanate; find Sigma-Aldrich-89871 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma Figure 3-4, Proposed Metabolic Scheme for 2,4-Toluene Diisocyanate in the Rat - Toxicological Profile for Toluene Diisocyanate and Methylenediphenyl Diisocyanate Your browsing activity is empty. CAS: 91-08-7 Molecular Formula: C9H6N2O2 Molecular Weight (g/mol): 174. Toluene diisocyanate (TDI) is among a group of chemicals, the isocyanates, that are highly reactive compounds containing an −NCO group. TDI is manufactured via the dinitration of toluene with mixed acid to produce a mixture of 2,4- and 2,6-dinitro isomers in a 80:20 ratio. 22. 1-20. It is a diamine and a primary amino compound. Information regarding the chemical identity of TDI and MDI is provided in Table 4-1. ATSDR can also tell you the location of occupational and environmental health clinics. 55 MB. 1 Other May 7, 2021 · Toluene diisocyanate cyanate | C10H5N3O3 | CID 118068095 - structure, chemical names, physical and chemical properties, classification, patents, literature Occupational exposure to 2,4-toluene diisocyanate can occur for those workers involved in its manufacture . UNIIs are generated based on scientific identity characteristics using ISO 11238 data USA. Exposure to 2,4- and 2,6-toluene diisocyanate (TDI) during production of flexible foam: determination of airborne TDI and urinary 2,4- and 2,6-toluenediamine (TDA). Information provided by BASF. Percent Purity. Description: Lupranate® T80 toluene diisocyanate (TDI) is an 80% - 20% mixture of the 2,4 and 2,6 isomers of toluene diisocyanate. It is May 8, 2022 · For the DII, methylenediphenyl diisocyanate (MDI—also called diphenylmethane diisocyanate) and toluene diisocyanate (TDI) are the most widely used PU raw materials. OA is defined as “variable airflow limitation or airway hyperresponsiveness” that is a result of occupational exposure” (Christiani et al). English. adverse effects. Castor oil, toluene diisocyanate reaction product ; DTXSID50103191 ; PubChem. 216836-250G. i. S. 1,728 × 1,901; 12. Mar 29, 2024 · Toluene-2,6-diisocyanate is used as an organic chemical synthesis intermediate. [1] More specifically, it is an aliphatic diisocyanate. ≥98. Toluene is a clear colorless liquid possessing high vapor pressure and low to moderate water solubility. ɒl, - ɔːl, - oʊl / ), is a substituted aromatic hydrocarbon [15] with the chemical formula C6H5CH3, often abbreviated as PhCH3, where Ph stands for phenyl group. TDI is a colorless-to-amber liquid with a pungent odor. Toluene diisocyanate silicate | C9H10N2O6Si | CID 131712266 - structure, chemical names, physical and chemical properties, classification, patents, literature PubChem Substance ID: 24852980. Jan 9, 2020 · The molecular formula of the Toluene Diisocyanate is C14H20N2O5 and the molecular weight of the Toluene Diisocyanate is 296. 1 ng/mL for 2,6-toluenediamine (Tinnerberg and Mattsson 2008). 2,4-TDI dimer | C18H12N4O4 | CID 6454199 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities Toluene diisocyanate ( TDI) is an organic compound with the formula CH 3 C 6 H 3 (NCO) 2. Crystal-Lump at 20°C. It is mainly utilized in the preparation of various polyurethane products for a variety of high-performance coatings for automotive and industrial applications, medical devices, upholstery, insulation, and packaging applications, and in the manufacture of adhesives 3. (1) Exposure usually occurs to a mixture of toluene 2,4- and 2,6-diisocyanate, and not to the individual These experts collectively have knowledge of toluene diisocyanate and methylenediphenyl diisocyanate physical and chemical properties, toxicokinetics, key health end points, mechanisms of action, human and animal exposure, and quantification of risk to humans. It derives from a hydride of a toluene. ball-and-stick model. 0 references. This production consumed roughly 389 million lb of toluene. US-10730996-B2. 1. Patent. patent Summary Toluene diisocyanate biuret based prepolymers for polyurethane foams. USA. Language Label Description Also known as; English: PubChem CID. Acute-duration exposure to commercial-grade TDI at concentrations up to 1. 2 ng/mL for 2,4-toluenediamine and 62. It is a water white liquid at room temperature and is manufactured in relatively small quantities. Office of Innovation and Analytics, Toxicology Section. Description. agonists. A total of 389 million lb of toluene would produce approximately 740 million lb of 2,4-DNT, assuming 96% yield. 3 Synonyms. com Toluene diisocyanates (TDI) are colourless to pale yellow liquids, solids, or crystals with a distinctive and pungent odour. Soluble in: water, 37. Show details Aromatic Diisocyanates. 1. Molecular Formula CHNO. Data Type: Carcinogenicity . 2 μg/sample (2,4- and 2,6-TDI) 0. Toluene diisocyanate is produced commercially as an 80:20 (2,4-toluene diisocyanate:2,6-toluene diisocyanate) mixture of the two isomers. 3 1-(3-Aminopropyl)imidazole toluene diisocyanate | C15H17N5O2 | CID 131730173 - structure, chemical names, physical and chemical properties, classification, patents Isophorone diisocyanate (IPDI) is an aliphatic diisocyanate that is majorly used as a curing agent by forming −NCO linkages. Mutagenicity . Monoisotopic mass 174. Sep 29, 2015 · Search PubChem. Computed by PubChem 2. TDI. Dec 13, 2020 · Toluene diisocyanate–attributable employment termination, non-malignant respiratory disease, and lung cancer mortality In the Pinkerton mortality cohort (three plants with exposure history) [ 12 ], there was a high termination rate in the first 3 months of follow-up, at an annual rate of 58%, which by 10 years of employment declined to 3% per Toluene ( / ˈtɒl. 1999a). Food Chemicals Codex Listed: No. Articles of toluene 2,4-diisocyanate are included as well. 288 × 280; 8 KB. [ 2] TDI are typically available as a mixture of two isomers: 2,4-TDI isomer (80%) and 2,6-TDI isomer (20%). Chemical structures are included in Table 1. Hexamethylene diisocyanate is mainly used to make polyurethane foams and coatings. The world production of methylenediphenyl diisocyanate all types included was 1200 thousand tonnes in 1991. Toxicological Profile for Toluene Diisocyanate and Methylenediphenyl Diisocyanate. TDI is manufactured by the reaction of TDA with carbonyl chloride (phosgene). 4. 00. Structural formula of toluene-2,4-diisocyanate. It is a skin irritant and causes allergic reactions and may cause skin corrosion on prolonged contact. The following alerts are based on the data in the tables below. 2 Names and Identifiers. Show details 2,4-tolylene diisocyanate 2,6-tolylene diisocyanate Diisocyanatotoluene; Methylphenylene ester Isocyanic Acid; Methyl-m-phenylene isocyanate; Methylphenylene isocyanate; Toluene Diisocyanate SCHEMBL5613485 SMILES: Cc1ccc(cc1N=C=O)N=C=O. Exposure to toluene-2,4-diamine is primarily occupational. 0% (GC); CAS Number: 584-84-9; EC Number: 209-544-5; Synonyms: 2,4-Diisocyanatotoluene,4-Methyl-m-phenylene diisocyanate,Tolylene 2,4-diisocyanate; find Sigma-Aldrich-89870 MSDS, related peer-reviewed papers, technical documents, similar products Tolylene 2,5-diisocyanate | C9H6N2O2 | CID 4302460 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological Aug 17, 2023 · Toluene 2,4-diisocyanate. PubMed search builder options. TDI exists as both the 2,4- and 2,6-isomers, which are available commercially, usually in ratios of 65:35 or 80:20 (Karol 1986; WHO 1987). Contact Technical Service. $60. InChi: InChI=1S/C9H6N2O2/c1-7-2-3-8(10-5-12)4-9(7)11-6-13/h2-4H,1H3 Toxicological Profile for Toluene Diisocyanate and Methylenediphenyl Diisocyanate. The original Alfa Aesar product / item code or SKU reference has not changed Hexamethylene diisocyanate is a pale yellow liquid with a strong odor. While the majority of polyurethane products containing TDI and related compounds undergo “curing” (hardening) prior to reaching the consumers Toxicological Profile for Toluene Diisocyanate and Methylenediphenyl Diisocyanate. 584-84-9 CAS No. It is also used in concrete sealers for aircraft, sealers and coatings in floor. 337 (1), the bioconcentration factor (BCF) for toluene-3,5-diamine can be estimated to be 1. 8). This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. 0 ppm did not result in any deaths when groups of eight pregnant CD rats were exposed during GDs 6–15 in a dose-range finding study (Tyl et al. bt ol br aw rn nv gm vl bl ga