Product Name:

Sulfanilic Acid

WCode:

19-061

CAS No.

121-57-3

Molecular Formula:

(H2N)C6H4SO3H

Formula Weight:

173.19

           

Physical and Chemical Properties

Physical State

Light gray powder

Melting Point

288°C (Decomposes)

Specific Gravity

1.485

Solubility in Water

1 g/ 100 ml

NFPA Ratings

Health: 1; Flammability: 1; Reactivity:0

Stability

Stable under ordinary conditions

 

 

Applications

It is used as an intermediate for colorants (dyes, food colors, optical brightening agents), medicines and other organic synthesis. It is a component of griess reagent to determine nitrous acid. 

 

Sales Specification

Appearance:

White crystal

Sulfanilic acid contents:

99.00% Min

Dissociating substance:

0.02% Max

Insoluble substances:

0.03% Max

Water contents:

0.5% Max

Loss on drying:

0.5% Max

Residue after Ignition:

0.01% Max

Insoluble in Na2CO3:

0.02% Max

Chloride:

0.02% Max

Sulfate:

0.01% Max

 

 

 

 

Packing

 

In 25 KG plastic woven bag