Yellow inhibitor HN-150 (spandex used)

Alias: 1,1,1',1'-Tetramethyl-4,4'-(methylene-di-p-phenylene) disemicarbazide; N,N'-(methanediyldibenzene-4,1-diyl)bis(2,2-dimethylhydrazinecarboxamide); Yellow prevent agent for amino fiber UDT; 1,1,1',1'-Tetramethyl-4,4'-(methylenedi-p-phenylene)-disemicarbazide; Anti-yellowing agent HN-150
Molecular formula: C₁₉H₂₆N₆O₂
Molecular weight: 370.45
CAS NO.: 85095-61-0
Structural formula:
Specification:
appearance: white or light yellow powder
Purity: ≥99%
melting point : 160~180℃
loss on drying : ≤0.7%
Solubility: easily soluble in methyl alcoho, DMF, hardly soluble in water; insoluble in xylene and methylbenzene
To use: in polyurethane industry, for example, spandex fibre, synthetic leather and artificial leather