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888888

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Alkyl aromatic diamines

Alkyl aromatic diamines

MOCA-CK (MOCA-II)

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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SPECIFICATIONS & TYPICAL PROPERTIES

Property Value
Appearance Pale yellow granule
Melting point, ℃ ≥ 102.0
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, % < 1.0
Acetone insoluble matter, % < 0.04
Transmittance, % ≥97
Solubility Easily soluble in acetone, DMF, DMSO, MEK and THF. Soluble in ethanol, toluene and benzene. Insoluble in water.

FEATURES &APPLICATIONS
MOCA-CK (MOCA-II) is a regular grade of MOCA.
MOCA is a kind of widely used high cost effective aromatic diamine chain extender or curing agent for casting
polyurethane elastomers, water-proof polyurethane coatings, elastomeric pavement materials, PU adhesives, PU foams, etc. The PU elastomers chain-extended with MOCA have excellent properties, are widely applied in the areas including machinery, building, vehicles & transportation, mining industry, electronic components encapsulation and sport facility, etc.
MOCA-CK is also a curing agent for epoxy or epoxy urethane resin.


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


PACKAGING & STORAGE
25kg net weight in kraft paper bag with 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.

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