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Introduction to pure MDI

中文名称/Chinese name: 4,4’-二苯基甲烷二异氰酸酯

英文名称/English name: Mono-Diphenylmethane-4,4’-diisocyanate

English abbreviation: M-MDI

Molecular formula: C15H10N2O2

Molecular weight: 250.26

Physicochemical properties: it is presented as white to light yellow crystal (or powder), and as colorless to light yellow liquid after melting. It is soluble in acetone, benzene, toluene, chlorobenzene, nitrobenzene, kerosene and ethyl acetate etc. Its specific gravity is 1.197 (at 70℃), freezing point is 38-39℃ and melting point is 190℃ (5mmHg).