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授权代理商L-(+)-抗坏血酸, ACS, 99+%_25g

25g

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单位: 包装: 库存:
数量: 1瓶起订,增量1瓶

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RH476490

036237.22

赛默飞阿法埃莎/Thermo Alfa Aesar

100g

7-10天

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化学性质
分子式: C6H8O6
分子量: 176.12
熔点: ca 191° dec.
密度: 1.65
灵敏度: Ambient temperatures.
形态: Powder
溶解性: Soluble in water. Insoluble in ether, chloroform, benzene, petroleum ether, oils, fats and fat solvents. L-ascorbic acid means that the compound's stereochemistry is related to that of the levorotatory enantiomer of glyceraldehyde.
应用
It is all important nutrient and antioxidant. L-ascorbic acid is frequently practiced as a processing aid or as a preservative in certain nutrients or food components. It is likewise utilized in the synthetic polymer industry, in photo processing, and in metal technology. Miscellaneous uses have been proposed in cosmetics, fibers, preservation of blood, preservation of cut plants, cleaning agents, and in assay reagents.
备注
Stable in air when dry.
Grade Specifications
Maximum level of impurities: Specific rotation � +21.0 ±0.5�, Residue after ignition 0.1%, Heavy Metals (as Pb) 0.002%, Fe 0.001%
其他参考资料:
Beilstein: 84272
Merck: 14,830
危险与安全
TSCA:
RTECS: CI7650000

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