Cas no for 50-81-7,L(+)-Ascorbic acid ACID Cas number search msds database,online free cas number chemistry search engine,cas number sigma aldrich

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Home > CAS No. Inquiry > 50-81-7

50-81-7

[CAS Name] L(+)-Ascorbic acid

[Formula] C6H8O6

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Basica Info

[CAS Name]L(+)-Ascorbic acid
[Alias]L-Ascorbic Acid, Free Acid; Vitamin C; L-(+)-Ascorbic acid; VC; ascorbic acid; Vita C BP2005; Vitamine C; ; L-threo-hex-1-enofuranos-3-ulose; (5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one (non-preferred name); 5-(1,2-dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one (non-preferred name); L(+)-Ascorbic acid
[Number]50-81-7
[EINECS]200-066-2
[Formula]C6H8O6
[Molecular weight]176.1241

[Melting point]190-192℃
[Boiling point]552.672°C at 760 mmHg
[Density]0mmHg at 25°C
[Flash point]238.199°C

50-81-7 Suppliers

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HEBEI HUANWEI BIOTECH CO.,LTD.

Description

Coated Ascorbic Acid 97% EC consists of ascorbic acid coated with ethyl cellulose. It is white to pale yellow micro-crystalline powder.

Product identification

Chemical names:

(5R)-5-[(1S)-1,2-Dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one.

Synonyms: L-ascorbic acid; L-xylo-ascorbic acid; L-(+)-ascorbic acid; vitamin C

CAS No.: 50-81-7

Einecs-No: 200-066-2

Empirical formula: C6H8O6

Molecular mass: 176.13 g/mol

Specifications

Appearance: white to pale yellow micro-crystalline powder

Identity for ascorbic acid:corresponds

Loss on drying: max. 0.5%

Ascorbic Acid content: 97.0-98.5%

Sulphated ash (residue on ignition): max. 0.1%

Heavy metals: max. 20 ppm

Arsenic: max. 3 ppm

Total plate count: ≤1000CFU/g
Total molds yeasts: ≤100CFU/g
Coliform organisms: Negative

Solubility

This product is slightly soluble in water.

Stability and storage

This product is fairly stable to air if protected from humidity, but is somewhat sensitive to heat. The product may be stored for at least 24 months from the date of manufacture when the unopened original container and at room temperature below 25°C. On prolonged storage, a slight yellow discoloration may occur which, however, does not affect the biological activity.

Uses

This product is used for the enrichment, standardization or stabilization of dry food preparations .

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