HMDI diisocyanate

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4,4'-Diisocyanatodicyclohexylmethane CAS # 5124-30-1

Molecular weight 262.35
Isocyanate, % 32
Equivalent weight 131.2
Toxicity/Safety Air SamplingNIOSH

Properties TYPICAL PROPERTIES*
Appearance Clear liquid
Viscosity @ 25C, mPas ca.30
Equivalent wt., avg. (as supplied) 132 maximum
Total chlorides,ppm 1000 maximum
Specific gravity @ 25C 1.07
Weight per gallon, lb 8.9
Flash point (Pensky-Martens Closed Cup) 392F (200C)
Solidification point 25C

* Bayer Datasheet

Regulatory Inventory
CAS REGISTRY NUMBER # 5124-30-1 NAME : Cyclohexane, 1,1'-methylenebis[4-isocyanato]
TSCA USA Yes
DSL Canada Yes
EINECS Europe EINECS No. 225-863-2 Yes
ENCS Japan ENCS No. 4-119X Yes
ECL Korea ECL Serial No. KE-23837 Yes
AICS Australia Yes
Other names:
1,1'-Methylenebis(4-isocyanatocyclohexane)
1,1'-Methylenebis[4-isocyanato(cyclohexane)]
4,4'-Diisocyanatodicyclohexylmethane
4,4'-Methylenebis(cyclohexyl isocyanate)
Bis(4-isocyanatocyclohexyl)methane
Dicyclohexylmethane 4,4'-diisocyanate
Hydrogenated MDI
Isocyanic acid, methylenedi-1,4-cyclohexylene ester
Commercial Products or generic terms used for products. For manufacturer see Isocyanate MFCT.
Desmodur W Nacconate H 12

Last edited on:

July 06, 2006

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