4-Amino-6-Chlorobenzene-1,3-Disulfonamide CAS 121-30-2

Specification

Appearance                               White or almost white crystalline power

Solubility                               Soluble in 2N NAOH dimethyl for mamide slightly soluble water

Melting Point                              259~261℃

Loss on Drying                           ≤0.50%

Residue on Ignition                         ≤0.20%

Clarity and Colour of Solution      A 10% w/v solution in dimethyl formamide and slightly yellow

Heavy Metals                             ≤0.001%

Any Single Impurity                        ≤0.50%

Total Impurities                          ≤1.0%

Foreign Particulate                          10% solution in dimethyl formamide

Assay                                    98%-102%