Chlorazol Black E, pure

CAS: 1937-37-7

Ref. AC-40440

Product Information

• Name: Chlorazol Black E, pure
• Synonyms: disodium 4-amino-3-(2-{4'-[2-(2,4-diaminophenyl)diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl)-5-oxo-6-(2-phenylhydrazin-1-ylidene)naphthalene-2,7-disulfonate, C.I. Direct Black 38, C.I. Direct Black 38, disodium salt (8CI), (3E)-5-amino-6-[(E)-{4'-[(E)-(2,4-diaminophenyl)diazenyl]biphenyl-4-yl}diazenyl]-4-oxo-3-(phenylhydrazono)-3,4-dihydronaphthalene-2,7-disulfonic acid, C.I. Direct Black 38, disodium (3Z)-5-amino-6-[(E)-{4'-[(E)-(2,4-diaminophenyl)diazenyl]biphenyl-4-yl}diazenyl]-4-oxo-3-(phenylhydrazono)-3,4-dihydronaphthalene-2,7-disulfonate, Chlorazol Black E, C.I. Direct Black 38, disodium salt, C.I. Direct Black 38, disodium salt, Azo black, 2,7-Naphthalenedisulfonic acid, 4-amino-3-[2-[4′-[2-(2,4-diaminophenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-, sodium salt (1:2), 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4′-[(2,4-diaminophenyl)azo][1,1′-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-, disodium salt, C.I. 30235, disodium (3E)-5-amino-6-[(E)-{4'-[(E)-(2,4-diaminophenyl)diazenyl]biphenyl-4-yl}diazenyl]-4-oxo-3-(phenylhydrazono)-3,4-dihydronaphthalene-2,7-disulfonate

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical properties

• Molecular weight: 781.73
• Formula: C₃₄H₂₅N₉Na₂O₇S₂
• Color/Form: Dark brown to black, Crystalline powder, Dark brown to black, Crystalline powder
• InChI key: OLVNAWLXZDRGPL-UHFFFAOYSA-L