Direct fast brown m

Basic Information

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CAS Number

2429-82-5

Molecular Formula

C29H19N5Na2O7S

Molecular Weight

606.57 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

Density

1.54

Refractive Index

1.733

SMILES

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C1=CC(=CC=C1C2=CC=C(C=C2)N=NC3=C(C=C4C=CC(=CC4=C3O)N)S(=O)(=O)[O-])N=NC5=CC(=C(C=C5)O)C(=O)[O-].[Na+].[Na+]

InChI

InChI=1S/C29H21N5O7S.Na/c30-19-6-1-18-13-26(42(39,40)41)27(28(36)23(18)14-19)34-32-21-9-4-17(5-10-21)16-2-7-20(8-3-16)31-33-22-11-12-25(35)24(15-22)29(37)38;/h1-15,35-36H,30H2,(H,37,38)(H,39,40,41);/b33-31+,34-32+;

InChIKey

RADNDJVNBVVKJO-KQOFJJDPSA-N

LogP

6.895100000000006

Topological Polar Surface Area

207.58999999999997 Å²

Hydrogen Bond Donor/Acceptor

6 / 12

Complexity

1070

Safety Information

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Stability

Stable. Incompatible with strong oxidizing agents.

Synonyms & References

English

Sugai Direct Brown M
Erie Fast Brown 3RBD
AKOS000282980
Mahogany EMBL
Aizen Direct Brown MH
Benzanol Brown M
Brazilamina Fast Brown 3RA
Direct Brown RC
Chrome Leather Brown M
Pontamine Brown RMR
Pheno Brown MRS
Chloramine Brown 2ME
Napthamine Brown DC
Nyanza Fast Brown M
C.I. 22 311
Direct Brown RMR
DIRECT BROWN 2
Direct Fast Brown V
D1470
Diphenyl Brown BVV
5-((4'-((7-AMINO-1-HYDROXY-3-SULFO-2-NAPHTHYL) AZO)-4- BIPHENYL)AZO)-SALICYLIC ACID
Chlorazol Brown MP
Belamine Fast Brown M
sodium 5-((E)-(4'-((E)-(7-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl)-[1,1'-biphenyl]-4-yl)diazenyl)-2-hydroxybenzoate
DIRECT BROWN 2 [HSDB]
Chloramine Brown 2R
Diacotton Brown M
Atul Direct Brown MY
Chloramine Brown MR
Benzoic acid, 5-((4'-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt
Diazol Brown M

MDL Number

MFCD00059539

FAQ

What are the physical and chemical properties of Direct fast brown m (CAS: 2429-82-5)?

Direct fast brown m (CAS: 2429-82-5) is a water-soluble dye with a molecular weight of approximately 587.56 g/mol. It has a deep brown color and is highly soluble in water and ethanol. The dye exhibits good light and wash fastness. Chemically, it is stable under acidic conditions but can be affected by alkalis. It is typically used in textile dyeing and printing due to its excellent color strength and fastness properties.

How is Direct fast brown m (CAS: 2429-82-5) typically synthesized?

Direct fast brown m (CAS: 2429-82-5) is synthesized by the condensation of a suitable aromatic amine with a dibromobenzene derivative in the presence of a catalyst such as sodium hydroxide. The reaction is typically carried out under basic conditions to ensure high selectivity and yield. The product undergoes further modifications to enhance its fastness and light stability, resulting in a commercially viable dye.

What industries use Direct fast brown m (CAS: 2429-82-5)?

Direct fast brown m (CAS: 2429-82-5) is primarily used in the textile and dyeing industry for coloring fabrics and yarns. It is also employed in paper manufacturing, leather tanning, and food coloring applications due to its excellent fastness properties. In the pharmaceutical industry, it is used as a coloring agent in some formulations.

What precautions should be taken when handling Direct fast brown m (CAS: 2429-82-5)?

When handling Direct fast brown m (CAS: 2429-82-5), it is important to use appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Storage should be in a well-ventilated area, away from heat and direct sunlight. In case of spill, neutralize the spill with an appropriate acid or base, then clean up using standard procedures. Always refer to the Safety Data Sheet (SDS) for detailed handling and disposal information.