Dmtda Dimethylthio Toluene Diamine

Loaded with vast industrial knowledge and expertise, we have emerged as a major Exporter and Manufacturer of DMTDA Dimethylthio Toluene Diamine in Dongying, Shandong, China.
English namei Dimethylthiotoluenediamine (DMTDA)
Nicknamei Ethacure 300
CAS NOi 106264-79-3
EINECS NOi 403-240-8
UN NOi 3082
Transport hazard class (es)i 9
Packing group, if applicablei III
Similar products: U.S AIbemarle (Ethacure 300)

1.Physical and chemical properties
Molecular formulaC9H14N2S2
Molecular weight214.34
Initial boiling point200A C (1.68 mmHg)
Refractive index1.659
Melting point/ freezing point4A C
Flash point163.4A C
Vapour pressure (kPa)i 0.0001
Relative density g/cm3 at 25 A C1.206
Viscosityi 20A C)690
Vapour pressuremmHg a 0.01 (20A C)

2.Standard valuei
AppearanceLight yellow liquid
Dimethylthiotoluenediaminea Y 95% (Q/370781YXHG002-2015)
Methylthiotoluenediaminea 4.0%
Trimethylthiotoluenediaminea 1.0%
Water contenta 0.1%
Amine value (mg KOH/g)525-535

3.Uses and applications
DMTDA is a new type of polyurethane elastomer curing crosslinking agent, equivalent to Ethancure-300. Mainly includes two kinds of isomers, 2,4-isomer and 2,6-isomer ( The ratio is about 77~80% / 17~20%), compared with MOCA, it is low viscosity liquid under normal temperature, can be used in low temperature.