Acid Black 24 | CAS No. 3071-73-6

Acid Black 24

Basic Information

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CAS Number

3071-73-6

Molecular Formula

C36H23N5Na2O6S2

Molecular Weight

731.7 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

>300°C

SMILES

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C1=CC=C(C=C1)NC2=C3C(=C(C=C2)N=NC4=CC=C(C5=CC=CC=C54)N=NC6=CC=CC7=C6C=CC=C7S(=O)(=O)[O-])C=CC=C3S(=O)(=O)[O-].[Na+].[Na+]

InChI

InChI=1S/C36H25N5O6S2.2Na/c42-48(43,44)34-17-7-13-26-27(34)14-6-16-29(26)38-39-30-19-20-31(25-12-5-4-11-24(25)30)40-41-32-21-22-33(37-23-9-2-1-3-10-23)36-28(32)15-8-18-35(36)49(45,46)47;;/h1-22,37H,(H,42,43,44)(H,45,46,47);;/q;2*+1/p-2

InChIKey

OLPWJTQWWFWEFS-UHFFFAOYSA-L

LogP

11.76340

Complexity

1370

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

Acid Black 24
Sulphon Cyanine Black BA-CF
Suminol Black 8BX
Tertracid Fast Black CB
1-Naphthalenesulfonic acid, 8-(phenylamino)-5-[[4-[(5-sulfo-1-naphthalenyl)azo]-1-naphthalenyl]azo]-, disodium salt
Sulfon Black S
Acilan Fast Black 3BN
Supranol Fast Black B
J-018081
Eriosin Fast Black 2B
Pontacyl Fast Black BBN
Sulphonol Black BR
NSC 7830
Acid Fast Black 8BX
Aminyl Black F 8BL
Optanol Cyanine Black BB
Neutral Black 3B
Alphanol Black GV
Amacid Milling Black SG
Sulphonol Black B
Disodium 8-(phenylamino)-5-[[4-[(5-sulphonatonaphthyl)azo]naphthyl]azo]naphthalenesulfonate
Acidblack24
Suminol Milling Black 8BX
Milling Fast Black 2B
Sulfonine Black B
DTXSID10889368
1-Naphthalenesulfonic acid, 8-(phenylamino)-5-(2-(4-(2-(5-sulfo-1-naphthalenyl)diazenyl)-1-naphthalenyl)diazenyl)-, sodium salt (1:2)
Pontacyl Fast Black BBO
Colacid Fast Black 2A
disodium;8-anilino-5-[[4-[(5-sulfonatonaphthalen-1-yl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1-sulfonate
Cloth Black MB

MDL Number

MFCD00004129

FAQ

What are the physical and chemical properties of Acid Black 24 (CAS: 3071-73-6)?

Acid Black 24 (CAS: 3071-73-6) is a deep black dye with a molecular weight of approximately 1000 g/mol. It is highly soluble in water and organic solvents. Chemically, it is stable under normal conditions but may react with strong oxidizing agents. It exhibits good light and wash fastness in textiles and printing applications.

How is Acid Black 24 (CAS: 3071-73-6) typically synthesized?

Acid Black 24 (CAS: 3071-73-6) is synthesized via coupling reactions, where an aromatic amine and a diazonium salt are reacted in the presence of a suitable catalyst such as an acid. The process yields a black dye with high selectivity and a high level of purity.

What industries use Acid Black 24 (CAS: 3071-73-6)?

Acid Black 24 (CAS: 3071-73-6) is extensively used in the textile and printing industries for dyeing fabrics and printing patterns. It is also utilized in the leather, paper, and plastic industries for coloring and finishing.

What precautions should be taken when handling Acid Black 24 (CAS: 3071-73-6)?

When handling Acid Black 24 (CAS: 3071-73-6), it is essential to use appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated area, preferably in a fume hood. Spills should be immediately contained and cleaned up using appropriate absorbents. Always consult the Safety Data Sheet (SDS) for detailed handling procedures.