96-93-5

Basic information

• Product Name: 2-Amino-6-nitro-1-phenol-4-sulfonic acid
• Synonyms: 3-AMINO-4-HYDROXY-5-NITROBENZENESULFONIC ACID;3-Amino-4-hydroxy-5-nitrobenzenesulphonic acid;6-NITRO-2-AMINOPHENOL-4-SULFONIC ACID;2-amino-6-nitro-1-phenol-4-sulfonic acid;2-AMINO-6-NITROPHENOL-4-SULFONIC ACID;3-amino-4-hydroxy-5-nitro-benzenesulfonicaci;6-Nitro-2-amino-l-phenol-4-sulfonicacid;kyselina2-amino-6-nitrofenol-4-sulfonova
• CAS NO: 96-93-5
• Molecular Formula: C₆H₆N₂O₆S
• Molecular Weight: 234.19
• EINECS: 202-546-7
• Product Categories: Intermediates of Dyes and Pigments;Organic Building Blocks;Sulfonic/Sulfinic Acids;Sulfur Compounds
• Mol File: 96-93-5.mol
• Article Data: 3

Chemical Properties

• Melting Point: 325 °C (dec.)(lit.)
• Boiling Point: 158°C
• Appearance: /
• Density: 1.608 (estimate)
• Refractive Index: 1.6490 (estimate)
• Storage Temp.: 2-8°C
• Solubility: 1g/L in organic solvents at 20 ℃
• PKA: -1.42±0.50(Predicted)
• Water Solubility: Soluble
• CAS DataBase Reference: 2-Amino-6-nitro-1-phenol-4-sulfonic acid(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Amino-6-nitro-1-phenol-4-sulfonic acid(96-93-5)
• EPA Substance Registry System: 2-Amino-6-nitro-1-phenol-4-sulfonic acid(96-93-5)

Safety Data

• Hazard Codes: C
• Statements: 34
• Safety Statements: 26-36/37/39-45-27
• RIDADR: UN 2585 8/PG 3
• WGK Germany: 3
• RTECS: DB4900000
• Hazardous Substances Data: 96-93-5(Hazardous Substances Data)

Usage

Air & Water Reactions

May be sensitive to prolonged exposure to air. Water soluble.

Reactivity Profile

2-Amino-6-nitro-1-phenol-4-sulfonic acid may react with strong oxidizers and mineral acids . May react with bases.

Fire Hazard

Flash point data for 2-Amino-6-nitro-1-phenol-4-sulfonic acid are not available. 2-Amino-6-nitro-1-phenol-4-sulfonic acid is probably combustible.

Flammability and Explosibility

Nonflammable

InChI:InChI=1/C6H6N2O6S/c7-4-1-3(15(12,13)14)2-5(6(4)9)8(10)11/h1-2,9H,7H2,(H,12,13,14)

Upstream product

• 98-37-3 2-aminophenol-4-sulfonic acid 
• 67329-16-2 4-hydroxy-3,5-dinitro-benzenesulfonic acid 

Downstream Products

• 40306-75-0 3-acetylamino-5-amino-4-hydroxy-benzenesulfonic acid 
• 59115-12-7 3-acetylamino-4-hydroxy-5-nitro-benzenesulfonic acid 

Relevant articles and documents

Reactive dyestuffs comprising a triazine moiety and a vinylsulfonyl moiety both being linked by a substituted alkylene bridge member

A reactive dye of the formula STR1 in which: F is a radical selected from the group consisting of metal-free or metal-containing monoazo or disazo dyes containing at least one --SO3 H group, anthraquinone dyes, sulfophthalocyanine dyes, formazan dyes, phenazine dyes, oxazine dyes and nitroaryl dyes, R is hydrogen, C1 -C4 alkyl which is unsubstituted or substituted with --COOH or --SO3 H, cyanoethyl, or hydroxyethyl, X is fluorine, chlorine, bromine, --SO3 H, phenylsulfonyl or C1 -C4 -alkylsulfonyl, p is 1 or 2 and A is a radical of the formula STR2 in which: Y is chlorine, bromine, fluorine, --OH, --OSO3 H, --O-acyl, --CN, --COOH, --COO--C1 -C4 -alkyl, --CONH2 or --SO2 --Z, the group designated "alk" is a straight or branched polymethylene radical having 2 to 6 carbon atoms, V is STR3 hydrogen or C1 -C4 -alkyl which is unsubstituted or substituted by C1 -C2 -alkoxy, carboxyl, sulfo, halogen or hydroxy, Z is β-halogenoethyl, vinyl or β-acetoxyethyl, or A is a radical of the formulae STR4 in all of which R' is C1-6 -alkyl or hydrogen, Z is as defined above, o is 0 to 6, and m is 2 to 6.

Unsymmetrical 1:2-chromium complexes containing an azo compound and an azomethine compound

Compounds of the formula: STR1 WHICH ARE EMINENTLY SUITABLE FOR DYEING NATURAL AND SYNTHETIC POLYAMIDES AND FOR COLORING SURFACE COATINGS. Dyeings on textile material are distinguished by very good lightfastness and very good fastness to wet treatments, for example fastness to water, perspiration, sea water and washing.