Product name:D-Isoascorbic acid
Boiling Point:552.7ºC at 760 mmHg
Storage Temp:Store at 0-5ºC
Stability:Stable. Combustible. Incompatible with chemically active metals, aluminium, zinc, copper, magnesium, strong bases, strong oxidizing agents.
Appearance:White or slightly yellow crystals or powder
Identification:Passes test A,B
Purity %, min.:99.0-100.5%
Specific rotation:-16.5°~ -18.0°
Loss On drying %max:0.4
Residue on ignition % max:0.3
Lead mg/kg max:2
1.Used as a food antioxidant, have the function of the preservation, with good quality
2.Antioxidants. Preservatives; Hair color additives.
3.D-Isoascorbic Acid is one of the most important isomers of vitamin C. Its physiological role, the role in ascorbic only 1/20 of ascorbic acid, but in the fall blood pressure, diuresis, liver glycogen, pigment excretion, detoxification, roughly the same as the ascorbic acid. Therefore, the market demand of ascorbic acid and vitamin C have a competition. Ascorbic acid is mainly used in food industry. Occupies more than 93% of the total demand in Japan. Used as a food antioxidant, is widely used in meat, fish food, beer, fruit juice, fruit juice, canned fruits and vegetables, cakes, dairy products, jam, wine and pickles, grease, etc. The toxicity of the ascorbic acid: oral LD50 in mice to 5 g/kg. In rats fed diet containing 1% different ascorbic acid for six months, no abnormal growth. To continue feeding two years, in terms of weight, mortality, and histopathological observation are no exception. People consume different ascorbic acid, can be transformed into vitamin C in the body. When actual make
Handling and storage
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.