国产黄色片免费看的_免费传媒网站大全下载_日本?Ⅴ中文免费观看_亚洲成a人蜜臀av在线播放_国外恐怖砍脖子网站_56老熟妇乱子伦视频_国产精品无卡无在线播放_成人h视频在线网址观看_这里只有精品亚洲_啊灬啊灬用力…再用力.

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.