Direct Black 38

Basic Information

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CAS Number

1937-37-7

Molecular Formula

C34H25N9Na2O7S2

Molecular Weight

781.7 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Amines

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

>360°C

Boiling Point

Decomposes (NTP, 1992)

Density

1.6100

Refractive Index

1.768

SMILES

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C1=CC=C(C=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC4=CC=C(C=C4)C5=CC=C(C=C5)N=NC6=C(C=C(C=C6)N)N)N)O.[Na+].[Na+]

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

InChIKey

XRPLBRIHZGVJIC-UHFFFAOYSA-L

LogP

11.91860

Complexity

1460

Safety Information

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GHS Hazard Pictograms

H350

Hazard Statement

H350 May cause cancer
Carcinogenicity

Synonyms & References

English

SCHEMBL20561155
Calcomine Black EXL
Airedale Black ED
Erie Brilliant Black S
Interchem Direct Black Z
Diamine Direct Black E
Mitsui Direct Black EX
AKOS000282999
Tox21_302342
Chloramine Carbon Black S
Paper Black BA
Erie Black NUG
Erie Black JET
W-107713
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)
Diamine Deep Black EC
Atlantic Black C
Kayaku Direct Deep Black S
CAS-1937-37-7
Direct Black WS
Chloramine Black EXR
Atlantic Black EA
Amanil Black GL
1937-37-7
Fixanol Black E
Aizen Direct Deep Black EH
DTXSID7020184
Kayaku Direct Deep Black GX
Benzoform Black BCN-CF
Disodium 4-amino-3-((4'-((2,4-diaminophenyl)azo)(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate
Calcomine Black

MDL Number

MFCD00066363

FAQ

What is Direct Black 38 (CAS: 1937-37-7)?

Direct Black 38 (CAS: 1937-37-7) is a direct dye used for dyeing cotton and cellulose fibers. It is water-insoluble and has good light and wash fastness properties.

What are the main uses of Direct Black 38 (CAS: 1937-37-7)?

Direct Black 38 (CAS: 1937-37-7) is primarily used for dyeing cotton and cellulose fibers in the textile industry due to its excellent light and wash fastness properties.

Is Direct Black 38 (CAS: 1937-37-7) safe?

Direct Black 38 (CAS: 1937-37-7) is generally considered safe for industrial use, but it is important to follow safety guidelines, including proper ventilation and protective clothing, to minimize exposure.

How should Direct Black 38 (CAS: 1937-37-7) be stored?

Direct Black 38 (CAS: 1937-37-7) should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a sealed container to prevent moisture absorption.