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Epoxy Industry Chemicals

Epoxy hardener/curing agent
· DMDC(or MACM)
· PACM(or DC,HMDA)
· MXDA(m-Xylenediamine)
· 1,3-BAC; 1,3-Bis(aminomethyl)cyclohexane
· 1,4-Diaminocyclohexane(1,4-DCH)
· MDA / DDM (4,4'-Methylenedianiline)
· MOCA (3,3`-Dichloro-4,4`-Diaminodiphenyl methane)
· 4,4'-Methylene-bis(2-ethylaniline) (MBOEA or H-256)

PU & SPUA

HMDI (Hydrogenated MDI)
1,6-Hexanediol (1,6-HDO)
Chain Extender
· DETDA (E 100)
· DMTDA (E 300)
Catalyst
· DMCHA
· BDMA
· DBU
N,N'-di-sec-butyl-4,4'-methylenedianiline(MDBA or Dinlink4200)

Acrylate

· DEGDMA
· HDDA
· IBOA
· IBOMA
· LA
· NPGDA
· PEG(200)DA
· TMPTA

Intermediates

· Intermediates

Photographic Chemicals

· EDTA
· EDTA 2Na
· EDTA 4Na
· Color Developer CD1
· Color Developer CD2
· Color Developer CD3
· Color Developer CD4
· EDTA Ferric Ammonium 50% solution
· 1, 3-PDTA
· Sodium Sulfite
· Sodium Metabisulphite
· Hydroxylamine Sulfate
DMTDA (E 300)
Product Name: Dimethyl thio-toluene diamine (DMTDA), is equal to Ethancure 300
CAS NO.: 106264-79-3
Molecular Weight: 214.34
Molecular Formula: C9H14N2S2
Structural Formula:DMTDA (E 300)

Physical properties
Equivalent Weight 107
Appearance Amber Liquid
Odor Slight Amine
Boiling Point(°C) 667(353)(ecomposes)
Density(g/cm3)at 68(20°C) 1.21
140(60°C) 1.18
212(100°C) 1.15
Viscosity,Cps at 68(20°C) 690
140(60°C) 22
212(100°C) 5
Vapor Pressure, mmHg at 65(20°C) 0.6
Amine Number,mg KOH/g 536
TDA content(%) ≤1.0%
Moisture ≤0.1%
DMTDA has an equivalent weight of 107 compared to 133.5 for MOCA. This
means that about 20% less by weight is required for a given prepolymer at the
same stoichiometry.
Example
Prepolymer (NCO 4.1) 100Pts 100Pts
MOCA @ 95% Theory 12.4Pts —
(DMTDA) @ 95% Theory — 9.9Pts
Formula Weight 112.4Pts 109.9Pts
Package:
1. 25kg/iron drum
2. 200kg/iron drum
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