Item

Standard

Identification

Positive

Melting point of insolated saccharin

226-230℃

Appearance

White powder

Content

≥98.5%

Loss on drying

≤0.3%

Arsenic

≤3ppm

Benzoate and salicylate

No precipiate or violet color appears

Heavy metals

≤10ppm

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

≤30ppm

Related substance

Complies with BP2008

Sulfated Ashes

Complies with BP2008

Organic volatiles

Complies with BP2008

Zinc

≤30ppm