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Sulfanilic acid

SIAL/251917 - ACS reagent, 99%

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
45-251917-25G 25 g
 $34.50
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45-251917-100G 100 g
 $109.00
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45-251917-500G 500 g
 $345.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 251917-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 251917-500G

 

anion traces chloride (Cl-): ≤0.002%
  nitrite (NO2-): ≤0.5 ppm
  sulfate (SO42-): ≤0.01%
assay 98.0-102.0% (ACS specification)
  99%
form powder
functional group sulfonic acid
grade ACS reagent
ign. residue ≤0.01%
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: The diazonium salt of sulfanilic acid may be used in the preparation of azo dyes such as o-anisaldehyde, orange I and orange II. It may also be used in the preparation of 2,6-dibromoaniline via bromination followed by desulfonation.
Packaging: 25, 100, 500 g in poly bottle
Purity 98.0-102.0% (ACS specification); 99%
mp >300 °C (lit.)
UNSPSC 12352100

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