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L(+)-Ascorbic acid 99.0-100.5% USP, Ph. Eur.

Supplier: VWR Chemicals

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Synonyms: Ascorbic Acid , L-Ascorbic acid , Acidum ascorbicum , (R)-5-((S)-1,2-Dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one

83568.460EA 0 INR InStock
83568.460 83568.360 83568.180 83568.290
L(+)-Ascorbic acid 99.0-100.5% USP, Ph. Eur.
L(+)-Ascorbic acid
Appearance: White or almost white, crystalline powder or colourless crystals, becoming discoloured on exposure to air and moisture.

Caution: Not for use as Active Pharmaceutical Ingredient (API)


Formula: C₆H₈O₆
MW: 176.13 g/mol
Boiling Pt: 553 °C (1013 hPa)
Melting Pt: 190…192 °C
Density: 1.694 g/cm³ (20 °C)
Storage Temperature: Ambient
 MDL Number: MFCD00064328
CAS Number: 50-81-7
EINECS: 200-066-2
UN: 0000
REACH: exempt
Merck Index: 13,00837
https://b2b-in-gqp.vwr.com/stibo/web/std.lang.all/98/10/16009810.jpg https://b2b-in-gqp.vwr.com/stibo/web/std.lang.all/05/91/16640591.jpg
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Specification Test Results
Appearance Conforms (see CoA/CoS)
Heavy metals (as Pb) Max. 10 ppm
Residual solvents (CPMP/ICH/283/95) Conforms
Residues of metal catalysts or reagents Unlikely by manuf.process
As (Arsenic) Max. 2 ppm
Cd (Cadmium) Max. 1 ppm
Co (Cobalt) Max. 1 ppm
Hg (Mercury) Max. 2 ppm
Ni (Nickel) Max. 1 ppm
Pb (Lead) Max. 2 ppm
V (Vanadium) Max. 1 ppm
Conforms to Ph.Eur./USP Passes test
Ph.Eur. specifications:
Assay [Ph.Eur.] 99.0 --> 100.5 %
Identification B Passes test Ph.Eur.
Identification C [Ph.Eur.] 2.1 --> 2.6
Appearance of solution Passes test Ph.Eur.
Specific optical rotation [Ph.Eur.] 20.5 --> 21.5 °
Impurity E (Oxalic acid) [Ph.Eur.] Max. 0.2 %
Impurity C [Ph.Eur.] Max. 0.15 %
Impurity D [Ph.Eur.] Max. 0.15 %
Unspecified impurities [Ph.Eur.] Max. 0.10 %
Sum of impur.other than C and D[Ph.Eur.] Max. 0.2 %
Reporting threshold [Ph.Eur.]: Max. 0.05 %
Cu (Copper) [Ph.Eur.] Max. 5 ppm
Fe (Iron) [Ph.Eur.] Max. 2 ppm
Sulphated ash [Ph.Eur.] Max. 0.1 %
USP specifications:
Assay [USP] 99.0 --> 100.5 %
Identification A Passes test USP
Identification B Passes test USP
Residue on ignition [USP] Max. 0.1 %
Specific optical rotation [USP] 20.5 --> 21.5 °

 

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