139-25-3 4,4'-二异氰酸基-3,3'-二甲基二苯基甲烷
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安全说明
RTECS号:NQ8820000 TSCA:TSCA listed 毒性:mouse,LD50,intravenous,320mg/kg (320mg/kg),U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00946,