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| Producer, Manufacturer,
Supplier of |
| L(+)-Ascorbic Acid |
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| GRR
Code : |
0357 |
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| CAS No : |
50-81-7 |
| CI No : |
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| Molecular Formula
: |
C6H8O6 |
| Molecular Weight
: |
176.13 |
| Description
: |
Small white crystals · Solubility in water at 20 ºC 333 g/l. · M. P.: 192 ºC ·
APPLICATIONS: Analytical reagent. Synthesis reagent: Starting material for the synthesis of chiral building blocks
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| Website : |
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| Synonyms : |
Vitamin C, (R)-5-[(S)-1,2-Dihydroxyethyl]-3,4-Dihydroxy-5-(H)-Furan-2-one, C6H8O6 |
| Specifications
: |
| Specifications |
|
| Minimum assay (Iodom.) |
99,0 % |
| Identity |
IR p/t. |
| Melting range |
188-192°C |
| Specific rotation [a]20/D c=10 (in H2O) |
+20,5 to+21,5° |
MAXIMUM LIMIT OF IMPURITIES |
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| Insoluble matter in H2O |
0,01 % |
| Loss on drying at 105°C |
0,1 % |
| Residue on ignition (as SO4) |
0,05 % |
| Chloride (Cl) |
0,005 % |
| Sulphate (SO4) |
0,002 % |
| Heavy metals (as Pb) |
0,001 % |
| Cu |
0,00003 % |
| Fe |
0,0002 % |
| Ni |
0,001 % |
| Pb |
0,001 % | |
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Weight |
Description |
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