Item

standard

Identification

Positive

Melting point of insolated saccharin

226-230

Appearance

White crystals

Content  %

99.0-101.0 %

Loss on drying %

≤ 6 %

Ammonium salts  ppm

≤25 ppm

Arsenic  ppm

≤2 ppm

Lead: ppm

≤1 ppm

Benzoate and salicylate

No precipitate or violet color appears

Heavy metals  ppm

≤ 10 ppm

Free acid or alkali

Complies with BP /USP/DAB

Readily carbonizable substances

Not more intensely colored than reference

P-toluene sulfonamide

≤10ppm

O-toluene sulfonamide 

≤10ppm

Selenium  ppm

≤30ppm

Related substance

Complies with 

Clarity and color solution

Color less clear

Sulphate Ash

Not more than 2% on dry weight basis