Basic

CAS No.	4399-55-7
Product Name	Direct Blue 71
Synonyms	C.I. Direct Blue 71; C.I. 34140; Direct Blue 71; direct blue 71 (C.I. 34140); tetrasodium 3-[(E)-{4-[(E)-{4-[2-(6-amino-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene)hydrazino]-6-sulfonatonaphthalen-1-yl}diazenyl]naphthalen-1-yl}diazenyl]naphthalene-1,5-disulfonate; tetrasodium 3-[(E)-{4-[(E)-{4-[(2E)-2-(6-amino-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene)hydrazinyl]-6-sulfonatonaphthalen-1-yl}diazenyl]naphthalen-1-yl}diazenyl]naphthalene-1,5-disulfonate; Direct blue 71(C.I.34140)
Molecular Formula	C40H23N7Na4O13S4
Molecular Weight	1029.8688

Physical property

Safety Description

S24/25:;