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Diethyl Methyl Benzene Diamine Used For Casting, Coating RIM And Adhesive

Diethyl Methyl Benzene Diamine Used For Casting, Coating RIM And Adhesive

DETDA is a very effective polyurethane elastomer chain expansion agent, especially for the RIM (reaction injection molding) and SPUA (spray polyurea elastomer); also can be used as polyurethane elastomer and epoxy resin aromatic diamine curing agent, used for casting, coating, RIM and adhesive, but also is a polyurethane and polyurea elastomer chain extension agent. DETDA is a type of aromatic diamine, ethyl and methyl groups, which makes the activity of is much lower than that of TDA. The reaction rate with polyurethane prepolymer several times faster than DMTDA, about 30 times faster than MOCA. Mainly used in RIM polyurethane system and spray polyurethane (polyurea) elastomer coating system, with a fast reaction rate, short release time, high initial strength, product resistance to hydrolysis, heat and so on. In addition to the product can also be used as elastomer, lubricants and industrial oil antioxidant, and chemical intermediates.

Product Details

English nameDiethyltoluenediamine(DETDA)

Nick nameDiethyl Methyl Benzene Diamine

CAS NO68479-98-1

EINECS NO270-877-4

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UN NO3082

Transport hazard class (es)9

Packing group, if applicableIII

Similar products: U.S AIbemarle (Ethacure 100), Swiss Lonza group (DETDA 80), Germany Nitroil (ADA L80 PCAmine)

1. Physical and chemical properties

Light yellow to amber transparent liquid, slightly soluble in water, soluble in alcohol, ether, ketone and other polar organic solvents, with polyether, polyester polyol compatibility is good.

Property

Result

Molecular formula

C11H18N2

Molecular weight

178.28

Melting point/ freezing point °C

-9

Initial boiling point °C

308 (1013 hPa)

Self-ignition temperature °C

420 (1013 hPa)

Relative density g/cm3 at 25 °C

1.02

Flash point °C

135

Vapour pressure

0.000971 Pa (25°C)

0.00391 Pa (35°C)

Isocyanate equivalent

89.5

Ethoxyline resin equivalent

44.3

 

2. Standard value

Property

Result

Viscosity20°C

280

Viscosity25°C

155

Diethyltoluenediamine

 98% (Q/370781YXHG001-2015)

2,4-isomer

75.0 - 81.0%

2,6-isomer

18.0 - 20.0%

Other alkyl amine

0.5 - 3.0%

Amine value (mg KOH/g)

615 - 635

TDA Assay

 0.1%

Water content

 0.1%

 

3. Packaging and transport

Packaging for 1000KG/IBC barrels, 200kg drums or ISOTANK, the special packaging in accordance with the requirements of customers.

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4. Storage

Stacked in a cool/ dry/ ventilated place, keep away from heat/ fire, to prevent the direct sunlight, to avoid high temperature, do not sharp object collision damage.

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