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Vitamin C L(+)-Ascorbic Acid

  • RAWCHEM

  • 22133

  • Vitamin C

  • Ascorbic Acid

  • L(+)-Ascorbic Acid, Vitamin C

  • 50-81-7

  • 176.13

  • C6H8O6

  • 200-066-2

  • 29362700.00

SKU:
Availability:

Product Parameters

Appearance: white or almost white crystalline powder.

Solubility: freely soluble in water, sparingly soluble in /corresponds alcohol, insoluble in chloroform, ether, and benzene.


Main indexes:

IndexUSP33, BP2011, EP7.0, FCC7&2008/84/EC Grade

Identification

Corresponds

Melting point

189 ~ 193ºC

pH (5%, W/V)

2.1 ~ 2.6

pH (2%, W/V

2.4 ~ 2.8

Specific optical rotation

+20.5 ~ +21.5

Clarity and color of solution

Solution S is clear and not more intensely colored than reference solution BY

Assay

99.0 ~ 100.5%

Copper

5ppm max

Iron

2ppm max

Mercury

1ppm max

Arsenic

3ppm max

Lead

2ppm max

Impurity E (Oxalic acid)

0.2% max

Loss on drying

0.4% max

Sulphated ash (Residue on ignition)

0.1% max

Related substance

Impurity C

0.15% max

Impurity D

0.15% max

Unspecified impurities

0.10% max

Residual solvents:

Methano

3000ppm max


Application

  1. Promote the synthesis of collagen, to organize a faster healing wounds, prevent bleeding gums;Promote the growth of teeth and bones, prevent joint pain, waist and leg pain.

  2. Improve the metabolism of the amino acid tyrosine and tryptophan, extend the body life ;Strengthen the body anti-stress ability and immunity of the external environment.

  3. Improve the fat and lipid of cholesterol metabolism, in particular, to prevent cardiovascular disease.

  4. Insist on taking vitamin Con time, can  reduce dark spots and freckles, make the skin fair-skinneds in vain.

 

Important Notice

We normally list 3 years as the shelf life in our COA, the real shelf life is actually much longer than 1 years if it's stocked in good condition (bags are sealed enough, away from direct sun-light, moisture and other incompatible chemical materials).

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