Direct Black 38

CAS: 1937-37-7

Ref. IN-DA0039UV

Product Information

• Name: Direct Black 38
• Synonyms: 2-naphthalenesulfonic acid, 6-amino-4-hydroxy-3-((4-(phenylazo)-1-naphthalenyl)azo)-, monosodium salt, 4-amino-3-((4'-((2,4-diaminophenyl)azo)-4- biphenylyl)azo)-5-hydroxy-6-(phenylazo)-2,7- naphthalenedisulfonic acid, disodium salt, chlorazol black E, direct black 3, direct deep black extra, Chlorazol Black E, Chlorazol black, Azo Black, Chlorazole Black E, Direct Black 3, Calcomine Black, C.I. Direct Black 38, Meta Black, Carbide Black E, Diazine Black E, Fenamin Black E, Fixanol Black E, Direct Black A, Direct Black E, Direct Black N, Direct Black Z, Formic Black C, Paper Black T, Atlantic Black C, Atlantic Black E, Bencidal Black E, Benzamil Black E, Benzanil Black E, Diazol Black 2V, Erie Black B, Direct Black Meta, Formaline Black C, Nippon Deep Black, Pontamine Black E, Chloramine Black C, Direct Black methyl, Coir Deep Black C, Diaphtamine Black V, Benzo Deep Black E, Diacotton Deep Black, Direct Deep Black E, Benzo Leather Black E, Diphenyl Deep Black G, Chlorazol Burl Black E, Chlorazol Silk Black G, Chrome Leather Black E, Chrome Leather Black G, Coranil Direct Black F, Diamine Direct Black E, Diazine Direct Black E, Diazine Direct Black G, Erie Brilliant Black S, Interchem Direct Black Z, Chloramine Carbon Black S, Direct Deep Black E Extra, Kayaku Direct Deep Black S, Brilliant Chrome Leather Black H, Direct Black 38 (technical grade), Chlorazol Black E (Biological Stain), C.I. Direct Black 38, disodium salt, Paramine Black B, Vondacel Black N, Tetrazo Deep Black G, 4-Amino-3-((4'-((2,4-diaminophenyl)azo)-4- biphenylyl)azo)-5-hydroxy-6-(phenylazo)-2,7- naphthalenedisulfonic acid, disodium salt, Direct Black 38, technical-grade [Benzidine-based dyes], 2,7-Naphthalenedisulfonic acid, 4-amino-3-((4'-((2,4-diaminophenyl)azo)(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-6-(phenylazo)-, disodium salt, Disodium 4-amino-3-((4'-((2,4-diaminophenyl)azo)(1,1'-biphenyl)-4-azo))-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate, Disodium 4-amino-3-((4'-((2,4-diaminophenyl)azo)(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate, disodium 4-amino-3-[(E)-{4'-[(E)-(2,4-diaminophenyl)diazenyl]biphenyl-4-yl}diazenyl]-5-hydroxy-6-[(E)-phenyldiazenyl]naphthalene-2,7-disulfonate, azo-black, chloramineblackex, chloramineblackxo, chloramineblackert, chloramineblackexr, c hlorazol black e, nippon deep bla ck, tetrodirect black e, Disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate, chloraminecarbonblacks, chloraminecarbonblacksj, chloraminecarbonblacksn, 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), aizen dire ct deep black eh
• Brand: Indagoo

Chemical properties

• Molecular weight: 781.7279
• Formula: C₃₄H₂₅N₉Na₂O₇S₂
• Purity: 99%
• Color/Form: Solid
• InChI: InChI=1S/C34H27N9O7S2.2Na/c35-22-10-15-27(26(36)18-22)41-38-24-11-6-19(7-12-24)20-8-13-25(14-9-20)40-42-32-28(51(45,46)47)16-21-17-29(52(48,49)50)33(34(44)30(21)31(32)37)43-39-23-4-2-1-3-5-23;;/h1-18,44H,35-37H2,(H,45,46,47)(H,48,49,50);;/q;2*+1/p-2
• InChI key: XRPLBRIHZGVJIC-UHFFFAOYSA-L