Direct Red 79 | CAS No. 1937-34-4

Direct Red 79

Basic Information

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CAS Number

1937-34-4

Molecular Formula

C37H28N6Na4O17S4

Molecular Weight

1048.9 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Ethers

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

>300°C

SMILES

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CC1=CC(=C(C=C1N=NC2=C3C(=CC(=C2)S(=O)(=O)[O-])C=C(C=C3O)S(=O)(=O)[O-])OC)NC(=O)NC4=C(C=C(C(=C4)C)N=NC5=C6C(=CC(=C5)S(=O)(=O)[O-])C=C(C=C6O)S(=O)(=O)[O-])OC.[Na+].[Na+].[Na+].[Na+]

InChI

InChI=1S/C37H32N6O17S4.4Na/c1-17-5-27(33(59-3)15-25(17)40-42-29-11-21(61(47,48)49)7-19-9-23(63(53,54)55)13-31(44)35(19)29)38-37(46)39-28-6-18(2)26(16-34(28)60-4)41-43-30-12-22(62(50,51)52)8-20-10-24(64(56,57)58)14-32(45)36(20)30;;;;/h5-16,44-45H,1-4H3,(H2,38,39,46)(H,47,48,49)(H,50,51,52)(H,53,54,55)(H,56,57,58);;;;/q;4*+1/p-4

InChIKey

WNQPPENQFWLADQ-UHFFFAOYSA-J

LogP

10.59860

Complexity

1960

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Synonyms & References

English

2,7-Naphthalenedisulfonic acid, 4,4'-(carbonylbis(imino(5-methoxy-2-methyl-4,1-phenylene)azo))bis(5-hydroxy-, tetrasodium salt
7L62N178CF
AKOS025310831
NS00081286
UNII-7L62N178CF
tetrasodium;4-hydroxy-5-[[4-[[4-[(8-hydroxy-3,6-disulfonatonaphthalen-1-yl)diazenyl]-2-methoxy-5-methylphenyl]carbamoylamino]-5-methoxy-2-methylphenyl]diazenyl]naphthalene-2,7-disulfonate
EINECS 217-708-2
Tetrasodium 4,4'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis[5-hydroxynaphthalene-2,7-disulphonate]
CI DIRECT RED 79
Sodium 5,5'-(((carbonylbis(azanediyl))bis(5-methoxy-2-methyl-4,1-phenylene))bis(diazene-2,1-diyl))bis(4-hydroxynaphthalene-2,7-disulfonate)
C.I. Direct Red 79
Sirius supra red 4BL
Tetrasodium 4,4'-(carbonylbis(imino(5-methoxy-2-methyl-4,1-phenylene)azo))bis(5-hydroxynaphthalene-2,7-disulphonate)
Q27268493
C.I. 29065
Chlorantine Fast Red 6BLL
C.I. Direct Red 79, tetrasodium salt
Direct Red 79
Urea, N,N'-bis((4-(((3,6-disulfo-8-hydroxy)naphthalene-1-yl)azo)-2-methoxy-5-methyl)phenyl)-, tetrasodium salt
2,7-Naphthalenedisulfonic acid, 4,4'-(carbonylbis(imino(5-methoxy-2-methyl-4,1-phenylene)-2,1-diazenediyl))bis(5-hydroxy-, sodium salt (1:4)
CI DIRECT RED 79, TETRASODIUM SALT
tetrasodium 4,4/'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis[5-hydroxynaphthalene-
J-012544
AS-17168
C.I.Direct Red 79
DTXSID20889450
MFCD00137524
EC 217-708-2
CI 29065
1937-34-4
Direct fast red 4BL

MDL Number

MFCD00137524

FAQ

What regulatory guidelines apply to Direct Red 79 (CAS: 1937-34-4)?

Direct Red 79 (CAS: 1937-34-4) is subject to regulatory guidelines such as the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), EU REACH regulations, and FDA/EPA requirements for colorants. Manufacturers and importers must ensure compliance with labeling, safety data sheets, and storage regulations.

Are there alternatives to Direct Red 79 (CAS: 1937-34-4) in synthesis?

Alternatives to Direct Red 79 (CAS: 1937-34-4) in synthesis may include other azo dyes with similar properties. Common alternatives include Direct Red 80 and Direct Red 81. However, these should be chosen based on specific application requirements and regulatory compliance.

What is the market or research trend for Direct Red 79 (CAS: 1937-34-4)?

The market for Direct Red 79 (CAS: 1937-34-4) is stable, with increasing demand in the textile and paper industries. Research trends focus on developing more sustainable and environmentally friendly dyeing processes that meet stricter regulatory standards. The trend towards biodegradable and azo-free dyes is also gaining traction in the research community.

How should waste containing Direct Red 79 (CAS: 1937-34-4) be handled?

Waste containing Direct Red 79 (CAS: 1937-34-4) should be collected in appropriate containers and disposed of through professional waste disposal services. Incineration is a common method, but chemical neutralization and land disposal must comply with local environmental regulations. Proper handling and disposal ensure minimal environmental impact and compliance with regulatory requirements.