Basic information
- CAS
3071-73-6- Standard SMILES
O=S(=O)([O-])c1cccc2c(N=Nc3ccc(N=Nc4ccc(Nc5ccccc5)c5c(S(=O)(=O)[O-])cccc45)c4ccccc34)cccc12.[Na+].[Na+]- InChIKey
OLPWJTQWWFWEFS-UHFFFAOYSA-L- Molecular formula
- C36H23N5Na2O6S2
- Average molar mass
- 731.7 g/mol
- Monoisotopic mass
- 731.08851438
Overview
See also: Acid Black 24 (annotation moved to).
Names & identifiers
- Preferred name
- Sulfon Black S
- IUPAC
- disodium;8-anilino-5-[[4-[(5-sulfonatonaphthalen-1-yl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1-sulfonate
- English name
- Acid black 24
- Molecular formula
- C36H26N5NaO6S2
- Molecular weight
- 711.74
Names & synonyms
Sulfon Black SDurol Black BFenazo Black SBCloth Black MBDurol Black BAFast Black BMilling Black BBSulfonine Black BSulphonol Black BCirene Black BRADurol Black 2BAlphanol Black GV
Show more names
CI 26370Black BRC.I.21660acidblacksdurolblackbclothblackmbdurolblackbasulfonblacksAcid black Bfenazoblacksb
Bucacid Black 2BNeutral Black 3BSulphone Black BBSulfonine Black BBSulphonol Black BRAlphanol Black BBNSuminol Black 8BXAcidblack24
Database identifiers
- CAS
3071-73-6- PubChem CID
- 18307
- DTXSID
DTXSID10889368- Nikkaji
- J36.913F
Properties
Computed structural properties
- Topological polar surface area
- 193 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 11
- Rotatable bonds
- 6
- Heavy atoms
- 51
- Formal charge
- 0
- Complexity
- 1,370
Physicochemical properties
- Boiling point
- 1163.56 ℃[at · 1163.56℃[at 101 325 Pa]
- Density
- 1.601 · 1.601[at 20℃]
- vapor pressure
- 0 Pa · 0Pa at 20℃
- Water Solubility
- 25.19 g/L · 25.19g/L at 20℃
- LogP
- -0.657 at · -0.657 at 20℃
- EWG's Food Scores
- 1 · 1
- EPA Substance Registry System
- 1 · 1-Naphthalenesulfonic acid, 8-(phenylamino)-5-[[4-[(5-sulfo-1-naphthalenyl)azo]-1-naphthalenyl]azo]-, disodium salt (3071-73-6)
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 319 · H319-H412-H317
- Precautionary statements
- 273 · P273-P501-P261-P272-P280-P302+P352-P333+P313-P321-P363-P501-P264-P280-P305+P351+P338-P337+P313P
- WGK Germany
- 2 · 2
- RTECS
- 4220000 · AQ4220000
- TSCA
- TSCA listed
- REACH Registrations
- Active
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
Safety data
- wgk
- 2
- tsca
- TSCA listed
- rtecs
- AQ4220000
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- Hazard statements
- H319-H412-H317
- REACH Registrations
- Active
- Precautionary statements
- P273-P501-P261-P272-P280-P302+P352-P333+P313-P321-P363-P501-P264-P280-P305+P351+P338-P337+P313P
Chemistry & industry
Applications
UsesAcid Black 24 (CAS# 3071-73-6) is a textile, water-soluble dye and organic pollutant.
Preparation methods
Preparation5-Aminonaphthalene-1-sulfonic acid diazo, and Naphthalen-1-amine coupling, again diazo, and 8-(Phenylamino)naphthalen-1-ol coupling.
Upstream & downstream products
Upstream raw materials
Related reactions
1 records
Compound notes
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