86090

Sulfanilic acid

puriss. p.a., ≥99.0% (T)

• Synonym(s): 4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid
• Linear Formula: 4-(H₂N)C₆H₄SO₃H
• CAS Number: 121-57-3
• Molecular Weight: 173.19
• Beilstein: 908765
• EC Number: 204-482-5
• MDL number: MFCD00007886
• UNSPSC Code: 12352100
• PubChem Substance ID: 57653079
• NACRES: NA.21

Properties

• grade: puriss. p.a.
• Quality Level: 200
• Assay: ≥99.0% (T)
• form: powder or crystals
• impurities: ≤1% ortho/meta-aminobenzene sulfonic acid (HPLC)
• ign. residue: ≤0.01% (as SO₄)
• mp: >300 °C (lit.)
• anion traces: chloride (Cl^-): ≤20 mg/kg; nitrite (NO₂^-): ≤0.5 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• cation traces: Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤50 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Na: ≤50 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• functional group: sulfonic acid
• SMILES string: Nc1ccc(cc1)S(O)(=O)=O
• InChI: 1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
• InChI key: HVBSAKJJOYLTQU-UHFFFAOYSA-N

Description

Application

Sulfanilic acid may be used for the functionalization of single-walled carbon nanotubes (SWNTs) with aryl sulfonate groups.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H317,H319
• Precautionary Statements: P261 - P264 - P272 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves