Benzene,1,1'-methylenebis[4-isocyanato-3-methyl- cas no:139-25-3

Synonyms: Isocyanicacid, methylenebis(2-methyl-p-phenylene) ester (7CI,8CI);3,3'-Dimethyldiphenylmethane 4,4'-diisocyanate;4,4'-Diisocyanato-3,3'-dimethyldiphenylmethane;4,4'-Diphenyl-3,3'-dimethylmethane diisocyanate; NSC 84203; Nacconate 310

Identification

NameBenzene,1,1'-methylenebis[4-isocyanato-3-methyl-
CAS139-25-3
SynonymsIsocyanicacid, methylenebis(2-methyl-p-phenylene) ester (7CI,8CI);3,3'-Dimethyldiphenylmethane 4,4'-diisocyanate;4,4'-Diisocyanato-3,3'-dimethyldiphenylmethane;4,4'-Diphenyl-3,3'-dimethylmethane diisocyanate; NSC 84203; Nacconate 310
Molecular FormulaC17H14 N2 O2
Molecular Weight278.33

Chemical Properties

refractive index1.576

Safety Data

Safety Poison by intravenous route. A sensitizer. When heated to decomposition it emits toxic fumes of NOx and CN−.

Toxicity

ivn-mus LD50:320 mg/kg

CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#00946 .

supplier list

Henan Huixian Quanxi Chemical Factory: Tel:+86-(373)-620-0845; Address: Liu chomchon Huixian spring in North, Henan 453600,

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