产品描述

Identification    Positive

Melting point of insolated saccharin ℃    226-230

Appearance    White crystals

Content  %    99.0-101.0

Loss on drying %    =<15

Ammonium salts  ppm    =<25

Arsenic  ppm    =<3

Benzoate and salicylate    No precipitate or violet color appears

Heavy metals  ppm    =<10

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    =<30

Related substance    Complies with DAB

Clarity and color solution    Color less clear

Organic volatiles    Complies with BP

PH value    Complies with BP/USP

Benzoic acid-sulfonamide    =<25ppm