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Sulfanilic acid

SIAL/86090 - puriss. p.a., ≥99.0% (T)

Synonym: 4-Aminobenzenesulfonic acid; Aniline-4-sulfonic acid

CAS Number: 121-57-3
Empirical Formula (Hill Notation): C6H7NO3S
Molecular Weight: 173.19
EC Number: 204-482-5
MDL Number: MFCD00007886
Linear Formula: 4-(H2N)C6H4SO3H
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-86090-5G 5 g
$61.90
1/EA
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45-86090-100G 100 g
$114.00
1/EA
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45-86090-500G 500 g
$352.00
1/EA
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anion traces chloride (Cl-): ≤20 mg/kg
  nitrite (NO2-): ≤0.5 mg/kg
  sulfate (SO42-): ≤50 mg/kg
assay ≥99.0% (T)
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
form powder or crystals
grade puriss. p.a.
ign. residue ≤0.01% (as SO4)
impurities ≤1% ortho/meta-aminobenzene sulfonic acid (HPLC)
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
mp >300 °C (lit.)
Quality Level 200 
SMILES string Nc1ccc(cc1)S(O)(=O)=O
Application: Sulfanilic acid may be used for the functionalization of single-walled carbon nanotubes (SWNTs) with aryl sulfonate groups.
Purity ≥99.0% (T)
mp >300 °C (lit.)
UNSPSC 12352100

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