Dimethyl Thio-toluene Diamine DMTDA With Cas 106264-79-3

Dimethyl Thio-toluene Diamine DMTDA With Cas 106264-79-3

Cas：106264-79-3
MF：C9H12N2S
MW：214.36
EINECS No.: 403-240-8
Synonym：2,4-Diamino-3,5-dimethylthiotoluene;dimethyl thio-toluene diamine; DADMT; 4-Methyl-2,5-bis(methylthio)benzene-1,3-diamine; 3,5-di(methylthio)toluenediamine; TIANFUCHEM–106264-79-3 — Bis(4-amino-2-chloro-3,5-diethylphenyl)methane factory price; DMTDA

What is DMTDA Cas 106264-79-3?

Dimethyl Thio-toluene Diamine (DMTDA), also known as Ethacure 300 or DMTDA Amine, is a liquid aromatic diamine curative widely used for polyurethane (PU) elastomers, polyurea coatings, and epoxy systems.
With moderate reactivity, excellent mechanical properties, and good processing flexibility, DMTDA has become one of the most popular alternatives to MOCA and other conventional aromatic diamines.

DMTDA is a new type of polyurethane elastomer curing and crosslinking agent, in which there are mainly two isomers, namely the mixture of 2,4 – and 2,6 – dimethylthiotoluene diamine (the ratio is about 77~80/17~20). Compared with the commonly used MOCA, DMTDA amine is a liquid with low viscosity at normal temperature, DMTDA amine can be used for construction operation at low temperature, and has low chemical equivalent.

Specification

Product Name:	Dimethyl thio-toluene diamine	Batch No.	20220725
Cas	106264-79-3	MF Date	2022.07.25
Packing	200kg/iron drum	Analysis Date	2023.07.24
Quantity	16000KGS	Expiry Date	2023.07.24
ITEM	STANDARD		RESULT
Appearance	Light yellow transparent liquid		Conform
Diamine Assay ( GC)	≥95%		97.16
Color Value (Gardner)	≤8		4
TDA Assay	≤0.1%		No
Amine Value	525-535		530
Water Content	≤0.1%		0.069
Conclusion	Qualified

Application

1. Dimethyl thio-toluene diamine is a new type of liquid curing agent for polyurethane elastomer. It is widely used in polyurethane casting, coating, RIM, SPUA, polyurethane tire and adhesive for chain extension or cross-linking, and is also a curing agent for epoxy resin.

2. As hardener, when added to TDI and MTDI two-liquid polyurethane elastomers, it must be added at the rate of 10%. In the construction and civil industry, it is often used as an additive for fireproof coating (layer top and side wall), corrosion protection of metal materials (coating on the inner wall of iron pipe), and other aspects. The polyurethane product that can react with other substances without any treatment is superior to the product of MOCA (Mocha) hardener.

3. Used for polyurethane printing rubber scraper, oil pipe cleaning scraper, etc., to improve the oil resistance of polyurethane, and the volume expansion rate is also low.

4. Ethacure 300 (DMTDA) is widely used in electronic encapsulation and potting compounds due to its low viscosity, thermal stability, and uniform curing behavior.
It improves electrical insulation, thermal shock resistance, and longevity of the encapsulated parts.

5. In addition, Dimethyl thio-toluene diamine is widely used in the textile, paper and printing industries. Dimethyl thio-toluene diamine can be said that it has a broad market from the aviation and aerospace industry to the general civil industry.

Cas 106264 79 3 used

Why Choose Us as Your DMTDA Supplier

We supply high-quality Dimethyl Thio-toluene Diamine (DMTDA) with consistent reactivity and purity.
As a professional DMTDA and Ethacure 300 supplier, we ensure reliable supply for polyurethane, polyurea, and epoxy manufacturers worldwide.
Our technical support team provides formulation guidance, sample testing, and customized solutions to optimize your production performance.