2-Amino-8-hydroxynaphthalene-6-sulfonic acid
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Basic information
- CAS
90-51-7- Standard SMILES
Nc1ccc2cc(S(=O)(=O)O)cc(O)c2c1- InChIKey
HBZVNWNSRNTWPS-UHFFFAOYSA-N- Molecular formula
- C10H9NO4S
- Average molar mass
- 239.25 g/mol
- Monoisotopic mass
- 239.02522877
Names & identifiers
- Preferred name
- 2-Amino-8-hydroxynaphthalene-6-sulfonic acid
- IUPAC
- 6-amino-4-hydroxynaphthalene-2-sulfonic acid
- English name
- 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-, coupled with diazotized 5-amino-2-[(4-aminophenyl)amino]benzenesulfonic acid, diazotized, coupled with m-phenylenediamine, sodium salts
- Molecular formula
- C28H31N6NaO7S2
- Molecular weight
- 650.7
Names & synonyms
90-51-76-AMINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACIDGamma Acid6-amino-4-hydroxynaphthalene-2-sulfonic acid2-Amino-8-naphthol-6-sulfonic AcidC.I. Developer 3gamma-Acid7-Amino-1-naphthol-3-sulfonic acid2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-Y acid.gamma.-AcidAminonaphthol sulfonic acid gamma
Show more names
2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-, coupled with diazotized 5-amino-2-[(4-aminophenyl)amino]benzenesulfonic acid, diazotized, coupled with m-phenylenediamine, sodium salts
2-amino-8-hydroxynaphthalene-6-sulfonic acidDTXSID00265471-Naphthol-3-sulfonic acid, 7-amino-EINECS 202-000-8NSC 31508BRN 18212830PLB93P56XAI3-19502
Database identifiers
- CAS
90-51-7、90459-13-5- PubChem CID
- 7022
- DTXSID
DTXSID0026547- ChEMBL
CHEMBL3087995- UNII
- 0PLB93P56X
- EC Number
- 202-000-8、291-654-8
- Nikkaji
- J4.321D
Properties
Computed structural propertiesFilling in
- XLogP
- -0.9
- Topological polar surface area
- 109 Ų
- Hydrogen bond donors
- 3
- Hydrogen bond acceptors
- 5
- Rotatable bonds
- 1
- Heavy atoms
- 16
- Formal charge
- 0
- Complexity
- 350
Experimental & physicochemical properties
Physical DescriptionDry Powder
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 5.2% (113 of 2181) of reports.
Danger
H314 (94.4%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 2181 reports by companies from 9 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory Information
2-Naphthalenesulfonic acid, 6-amino-4-hydroxy- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
Status: Active Update: 06-12-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/10209
2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazard Classes and CategoriesSkin Corr. 1B (94.4%)
Chemistry & industry
Uses & manufacturing
U.S. Production2022: 65,962 lb
Industry UsesIntermediate
General Manufacturing Information
Synthetic Dye and Pigment Manufacturing
2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-: ACTIVE
Related reactions
9 records
Compound notes
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