Product Description

Commodity Name：Ascorbic Acid (Vitamin C) CAS Number：******7 Molecular Formula：C6H8O6 Molecular Weight：**6.*2 Properties：white monoclinic system crystals or crystalline powder. Metling point **0 . C ***2 C, odorless but tastes sour. Color turns light yellow after long time storage. The product is easily soluble in water , slightly soluble in ethanol , insoluble in chloroform and ether and its water solution appears acidic. The PH value of the 5% water solution is 2.**2.6 and the ratio rotation of the *0% (W/V) water solution is **0.5 . -**1.5 . Specification Appearance: White or almost white crystalline powder Identification: Positive reaction Melting point: about **0 DC pH: 2.1—2.6 Clarity of solution: clear Color of solution:BY7 max Copper: 5ppm max Heavy metals: *0ppm max Lead: 2ppm max Iron: 2ppm max Oxalic aicd: 0.2%max Sulphate ash(residue on ignition): 0.1%max Specific optical rotation: **0.5°～**1.5° Assay: *9.0%～**0.5% Organic volatile impurities: pass Residual solvents: methanol NMT ***0ppm Uses It applies mainly to production of various medicines as clinically important material for supplementary cure practice in different sectors. Being food additives, it acts as superior and reliable agent in nutrition, antiseptic and flour processing aspects. It also helps enhance the immune system of animals as being served in feed additives.