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888888

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Alkyl aromatic diamines

Alkyl aromatic diamines

MOCA-WH (MOCA-I)

Chemical Name: 4,4'-Methylene-bis(ortho-chloroaniline); 3,3'-Dichloro-4,4'-diaminodiphenylmethane

Molecular Formula: C13H12N2Cl2

Molecular Weight: 267.16

CAS No.: 101-14-4

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SPECIFICATION & TYPICAL PROPERTIES

Property Value
Appearance White or yellowish flake
Purity(HPLC), % ≥99.0
Melting point, ℃ ≥105.0
Water content, % <0.15
Solid density(24℃), g/cm3 1.43~1.45
Density(107℃,melt liquid), g/cm3 1.24~1.28
Amine equivalent weight 131~136
Free amine, % No checkout
Color (Gardner) ≤1
Acetone insoluble, % <0.04
Solubility Easily soluble in acetone, DMF, DMSO, MEK and THF. Soluble in ethanol, toluene. Insoluble in water.

FEATURES & APPLICATIONS
MOCA is an aromatic diamine chain extender or curing agent widely used in casting polyurethane elastomers, elastomeric pavement materials, PU waterproof coatings, PU adhesives, PU foams, etc. The MOCA-chain-extended PU elastomers are widely applied in the areas including machinery, building, vehicles & transportation, mining industry, electronic components encapsulation and sport facility, etc. MOCA can also be used in curing epoxy resin.
MOCA-WH is a high purity grade of MOCA. The melt MOCA is colorless to yellowish transparent liquid. It is recommended used in the applications such as skateboard wheel, polyurethane rice hulling roller, scraper, light color PU coatings, etc. which require good property and almost colorless transparent in appearance.


SAFETY & OCCUPATIONAL PROTECTION
LD50 (rats) ＞5000 mg/kg. Wear mask, gloves and goggles when handling.


PACKAGING & STORAGE
25kg net weight in waterproof brown kraft paper bag with black polyethylene liner.
Keep it storing airtight in a dry area and away from sunlight. Shelf life of this product is 2 years. If stored over shelf life, it can still be used when the main application properties be qualified by inspecting.