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Update to Avantor’s response to the coronavirus (COVID-19) pandemic

L(+)-Ascorbic acid ≥98%

Supplier: E. Becker & Co. GmbH

0210076925 0210076980 0210076990 0210076991
IC10076925EA 52.7 USD InStock
IC10076925 IC10076980 IC10076990 IC10076991
L(+)-Ascorbic acid ≥98%
L(+)-Ascorbic acid
L-Ascorbic Acid is used as an Antimicrobial and Antioxidant in foodstuffs. Reductant for the isolation of chloroplasts. It has an effect on the nonspecific immune system. Preserves nitric oxide (NO) which may help prevent endothelial dysfunction. It also helps prevent and reverse the oxidative damage done to proteins and lipids as a result of cigarette smoke.

L-Ascorbic Acid, free Acid protects cells against the damaging effects of radiation and oxygen radicals. L-Ascorbic Acid increases the rate of mineralization in osteoblasts. L-Ascorbic Acid is involved in hydroxylation of proline and lysine. L-Ascorbic Acid is a calcium channel protein inhibitor and reduces Na+/Ca2+ exchange in cultured astrocytes. L-Ascorbic Acid modulates cyclic nucleotide levels in B and T cells inhibits apoptosis in cultured rat ovarian follicles.

Soluble in alcohol, water (1 g/3 mL; 80% w/v at 100 °C; 40% w/v at 45 °C), absolute ethanol (1 g/50 mL), glycerol (1 g/100 mL), or propylene glycol (1 g/20 mL); insoluble in ether, chloroform, benzene, petroleum ether, oils, fats, fat solvents.

Aqueous solutions are rapidly oxidized by air; the reaction is accelerated by alkalies, iron, and copper.


Formula: C₆H₈O₆
MW: 176.13 g/mol
Boiling Pt: 553
 MDL Number: MFCD00064328
CAS Number: 50-81-7
Merck Index: 13,00837
https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=5a3f88b6e2381fcfead415545da0a6d00eac7d20&vid=5a3f88b6e2381fcfead415545da0a6d00eac7d20&prid=web&clid=SAPDAM
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Specification Test Results
Synonyms Vitamin C; Ascorbate; Sodium ascorbate; L-Xyloascorbic acid; 3-Oxo-L- gulofuranolactone (enol form); L-3-Ketothreohexuronic acid lactone; Antiscorbutic vitamin; Cevitamic acid; Sodascorbate
Form White to slightly yellow crystalline powder
Storage Store at Room Temperature .Protect from light
Optical Rotation +18° to +32° (c=1, water)
pH 1 - 3 (10% aq solution)
pka pK1: 4.17; pK2: 11.57

 

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