Anhydrous: White,odourless,granular,hygroscopic powder Trihydrate: Colourless,transparent crystals or a granular crystalline powder, odourless or with a faint, acetic odour. Effloresces in warm, dry air
鉴别试验
Identification
Pass test for acetate and sodium
含量(无水物)
Content,%(drying basis)
99.0%--101.0%
≥98.5%
碱度
Alkalinity
≤%
Anhydrous: 0.2 Trihydrate:0.05
易氧化物
Formic acid, formates and other oxidisable substances