Updated CAS

Trypan Blue

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
InChI InChI=1/C34H28N6O14S4.4Na/c1-15-7-17(3-5-25(15)37-39-31-27(57(49,50)51)11-19-9-21(55(43,44)45)13-23(35)29(19)33(31)41)18-4-6-26(16(2)8-18)38-40-32-28(58(52,53)54)12-20-10-22(56(46,47)48)14-24(36)30(20)34(32)42;;;;/h3-14,37-38H,35-36H2,1-2H3,(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54);;;;/q;4*+1/p-4/b39-31+,40-32+;;;;
CAS Registry Number 72-57-1
EINECS 200-786-7
Molecular Structure 72-57-1 Trypan Blue
Melting point 280℃
Water solubility 10 g/L (25℃)
Hazard Symbols  T:Toxic;
Risk Codes R45:;
Safety Description S45:;
S53:;
Gold Suppliers(10):
Dragon Chemical Group Co.,China    Tel:+86-571-88383188 86970388 49-211-550203-21
Kelco Chemicals Co.,Ltd.    Tel:+86-21-62744350 62598819
Dynasty Colourants Co., Ltd.    Tel:0086-574-27897999 ext. 8001
Hangzhou Weiyi Chemical Co., Ltd.    Tel:86-0571-82875660
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