ChemicalBook Product Catalog Organic Chemistry Hydrocarbons and derivatives Aromatic hydrocarbons 2,6-Diaminotoluene

2,6-Diaminotoluene

2,6-Diaminotoluene Basic information
Product Name:2,6-Diaminotoluene
Synonyms:1,3-Benzenediamine, 2-methyl-;2,6-TOLUENEDIAMINE;2,6-TOLUYLENEDIAMINE;2,6-diamino-1-methylbenzene;2,6-DIAMINOTOLUENE;2-METHYL-BENZENE-1,3-DIAMINE;2-METHYL-M-PHENYLENEDIAMINE;1,3-Diamino-2-methylbenzene
CAS:823-40-5
MF:C7H10N2
MW:122.17
EINECS:212-513-9
Product Categories:Amines;Aromatics;Intermediates of Dyes and Pigments;Aromatic Esters;Mutagenesis Research Chemicals
Mol File:823-40-5.mol
2,6-Diaminotoluene Structure
2,6-Diaminotoluene Chemical Properties
Melting point 104-106 °C(lit.)
Boiling point 289 °C
density 1.0343 (rough estimate)
refractive index 1.5103 (estimate)
solubility soluble in Ether,Alcohol
pka4.74±0.10(Predicted)
form Powder, Chunks or Pellets
color Dark gray to brown or black
Water Solubility 60 g/L (15 ºC)
BRN 2079476
Stability:Stable. Combustible. Incompatible with strong oxidizing agents, strong acids.
InChIKeyRLYCRLGLCUXUPO-UHFFFAOYSA-N
CAS DataBase Reference823-40-5(CAS DataBase Reference)
NIST Chemistry Reference1,3-Benzenediamine, 2-methyl-(823-40-5)
EPA Substance Registry System2,6-Diaminotoluene (823-40-5)
Safety Information
Hazard Codes Xn,N
Risk Statements 21/22-43-51/53-68-50/53-40
Safety Statements 24-36/37-61
RIDADR UN 3077 9/PG 3
WGK Germany 3
RTECS XS9750000
TSCA Yes
HazardClass 6.1
PackingGroup III
HS Code 29215190
Hazardous Substances Data823-40-5(Hazardous Substances Data)
MSDS Information
ProviderLanguage
2,6-Diamino-1-methylbenzene English
SigmaAldrich English
ACROS English
ALFA English
2,6-Diaminotoluene Usage And Synthesis
Chemical Propertiesoff-white crystals
UsesAromatic amines likely to have high carcinogenic potency. QSARs of aromatic amines.
DefinitionChEBI: A diamine that is toluene in which both of the hydrogens ortho- to the methyl group are replaced by amino groups.
Production Methods2,6-Toluenediamine is usually produced as a by-product with 2,4-TDA in mixtures containing 20% 2,6-isomer and 80% 2,4-isomer. It is used primarily in the manufacture of toluene diisocyanate, the predominant isocyanate in the flexible polyurethane foams and elastomers industry.
Human exposure to 2,6-TDA may occur indirectly via exposure to toluene diisocyanate mixture containing 2,6- toluenediisocyanate, which is known to hydrolyze to 2,6- TDA rapidly upon contact with water. Workers in some plastics and elastomers industries may be exposed to atmosphere containing TDI.
General DescriptionColorless prisms (from water).
Air & Water ReactionsWater soluble.
Reactivity Profile2,6-Diaminotoluene neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.
Health HazardACUTE/CHRONIC HAZARDS: 2,6-Diaminotoluene is toxic. It is a local irritant.
Fire HazardFlash point data for 2,6-Diaminotoluene are not available. 2,6-Diaminotoluene is probably combustible.
Methylparaben Methyl o-Xylene 2,3-DIAMINOTOLUENE 2,6-Dinitrotoluene 2,5-DIAMINOTOLUENE Toluene Benzylamine m-Xylene Basic Violet 1 Tribenuron methyl 2,6-Diaminotoluene Kresoxim-methyl p-Toluidine Methyl salicylate Methyl acrylate 3-Aminobenzotrifluoride 1,3-Diaminoguanidine monohydrochloride
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