Sodium 4'-aminoazobenzene-4-sulphonate
Basic information
- CAS
2491-71-6- Standard SMILES
Nc1ccc(N=Nc2ccc(S(=O)(=O)[O-])cc2)cc1.[Na+]- InChIKey
FIXVWFINKCQNFG-UHFFFAOYSA-M- Molecular formula
- C12H10N3NaO3S
- Average molar mass
- 299.28 g/mol
- Monoisotopic mass
- 299.03405664
Names & identifiers
- Preferred name
- Sodium 4'-aminoazobenzene-4-sulphonate
- IUPAC
- sodium 4-[(4-aminophenyl)diazenyl]benzenesulfonate
- English name
- 4-Aminoazobenzene-4'-sulfonic acid sodium salt
- Molecular formula
- C12H10N3NaO3S
- Molecular weight
- 300.29
Names & synonyms
Sodium 4'-aminoazobenzene-4-sulphonateBenzenesulfonic acid, 4-(2-(4-aminophenyl)diazenyl)-, sodium salt (1:1)Benzenesulfonic acid, 4-[2-(4-aminophenyl)diazenyl]-, sodium salt (1:1)RefChem:8870312491-71-6Yellow RFS4-Aminoazobenzene-4'-sulfonic Acid Sodium SaltSodium 4-Aminoazobenzene-4'-sulfonateFood Yellow 6MFCD00035564C.I. Food Yellow 6, monosodium saltSodium aminoazobenzenesulfonate
Show more names
C.I.13010C.I. 130114'-AMINO-4-SULFOAZOBENZENE SODIUM SALT4-Aminoazobenzene-4'-sulfonic acid sodium
11648 YellowSodium 4-((4-aminophenyl)diazenyl)benzenesulfonateAcid Yellow FWANew Yellow GMFHexacol Yellow RFS4-Aminoazobenzene-4'-sodium sulfonateSodium 4'-aminoazobenzene-4-sulfonateYellow R.I.S.
Database identifiers
- CAS
2491-71-6- PubChem CID
- 23691997
- DTXSID
DTXSID4058738- UNII
- Z452E7H2U8
- EC Number
- 219-657-1
- Nikkaji
- J7.591D
Properties
Computed structural properties
- Topological polar surface area
- 116 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 6
- Rotatable bonds
- 3
- Heavy atoms
- 20
- Formal charge
- 0
- Complexity
- 408
Physicochemical properties
- Melting point
- 250 °C · >250 °C
- form
- powder to crystal
- color
- Light yellow to Amber to Dark green
- Sensitive
- Hygroscopic
- BRN
- 8098548 · 8098548
- CAS DataBase Reference
- 2491 · 2491-71-6
- FDA UNII
- 452 E7H2U8 · Z452E7H2U8
- EPA Substance Registry System
- 6 · C.I. Food Yellow 6, monosodium salt (2491-71-6)
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 315 · H315-H319-H335
- Precautionary statements
- 261 · P261-P280a-P304+P340-P305+P351+P338-P405-P501a
- Risk Statements
- 36 · 36/37/38
- Safety Statements
- 26 · 26-36/37/39
- TSCA
- TSCA listed
- HS Code
- 2927 · 2927.00.5000
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 14.3% (1 of 7) of reports.
Warning
H315 (85.7%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 7 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Hazard Classes and CategoriesSkin Irrit. 2 (85.7%)
Safety data
- tsca
- TSCA listed
- hs_code
- 2927.00.5000
- risk_code
- 36/37/38
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- safety_code
- 26-36/37/39
- Hazard statements
- H315-H319-H335
- Precautionary statements
- P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Chemistry & industry
Uses & manufacturing
General Manufacturing InformationBenzenesulfonic acid, 4-[2-(4-aminophenyl)diazenyl]-, sodium salt (1:1): ACTIVE
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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