Basic

CAS No.	72-57-1
Product Name	Trypan Blue
Synonyms	C.I. 23850; C.I. Direct Blue 14; C.I. Direct Blue 14, tetrasodium salt; C.I. Direct Blue 14, tetrasodium salt (8CI); Trypan Blue; Direct Blue 14; Niagara Blue 3B; Trypan Blue solution; trypan blue (dye cont. ca. 60%); Direct Blue 14 (C.I.); tetrasodium 3,3'-[(3,3'-dimethylbiphenyl-4,4'-diyl)di(E)diazene-2,1-diyl]bis(5-amino-4-hydroxynaphthalene-2,7-disulfonate); tetrasodium (3Z,3'Z)-3,3'-[(3,3'-dimethylbiphenyl-4,4'-diyl)di(1Z)hydrazin-2-yl-1-ylidene]bis(5-amino-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate)
Molecular Formula	C34H24N6Na4O14S4
Molecular Weight	960.8052

Physical property

Melting point	280℃
Water solubility	10 g/L (25℃)

Hazard Symbols	T:Toxic;
Risk Codes	R45:;
Safety Description	S45:; S53:;