国产精品一区二区最新_美女一级毛片无遮挡内谢_av网址最新观看在线_欧美一级成人影院免费的_成人三级a视频在线观看_印度西施三片在线观看_99热播国产精品_影视精品无码国产_国色天香在线播放免费_夜夜骚久久激情亚洲精品

Stock Code

888888

Home »Products »/uploads/20210112/f28f8ccab39a8f9c4ff2460fcaf4c963.jpg

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

Message

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.