Direct Red 75, 2829-43-8, C.I. 25380

Colour Index

Name:	Direct Red 75
CAS:	2829-43-8
C.I. No.:	C.I. 25380
Synonyms	C.I. 25380; C.I. Direct Red 75 (VAN); C.I. Direct Red 75, tetrasodium salt (8CI); Direct Red 75; (6E)-6-imino-5-[2-(4-{[(4-{2-[(2E)-2-imino-8-oxo-6-sulfo-2,8-dihydronaphthalen-1-yl]hydrazino}-3-sulfophenyl)carbamoyl]amino}-2-sulfophenyl)hydrazino]-4-oxo-4,6-dihydronaphthalene-2-sulfonic acid; (6E)-6-imino-5-[2-(4-{[(4-{2-[(2E)-2-imino-8-oxo-6-sulfo-2,8-dihydronaphthalen-1-yl]hydrazino}-2-sulfophenyl)carbamoyl]amino}-3-sulfophenyl)hydrazino]-4-oxo-4,6-dihydronaphthalene-2-sulfonic acid
Molecular Formula	C₃₃H₂₆N₈O₁₅S₄
Molecular Weight	902.8641
InChI	InChI=1/C33H26N8O15S4/c34-21-5-1-15-9-19(57(45,46)47)13-25(42)29(15)31(21)40-38-17-3-7-23(27(11-17)59(51,52)53)36-33(44)37-24-8-4-18(12-28(24)60(54,55)56)39-41-32-22(35)6-2-16-10-20(58(48,49)50)14-26(43)30(16)32/h1-14,34-35,38-41H,(H2,36,37,44)(H,45,46,47)(H,48,49,50)(H,51,52,53)(H,54,55,56)/b34-21+,35-22+
CAS Registry Number	2829-43-8
EINECS	220-593-1
Molecular Structure
Density	1.9g/cm³
Refractive index	1.82

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