| Product Name |
L-Ascorbic acid,
SigmaUltra, ≥99.0%, crystalline |
| Product Number |
A5960 |
| Product Brand |
Sigma |
| CAS Number |
50-81-7 |
| Molecular Formula |
C6H8O6 |
| Molecular Weight |
176.12 |
| |
| TEST |
SPECIFICATION |
| APPEARANCE |
WHITE TO OFF-WHITE POWDER |
| SOLUBILITY |
CLEAR COLORLESS SOLUTION (0.5M IN WATER AT 20 DEG C) |
| AMMONIA CONTENT |
< OR = 0.05% |
| RESIDUE ON IGNITION |
< OR = 0.1% |
| INSOLUBLE MATTER |
< OR = 0.1% |
| SULFATE |
< OR = 0.05% |
| ALUMINUM |
< OR = 0.0005% |
| CALCIUM |
< OR = 0.0005% |
| COPPER |
< OR = 0.0005% |
| IRON |
< OR = 0.0005% |
| LEAD |
< OR = 0.001% |
| MAGNESIUM |
< OR = 0.0005% |
| PHOSPHORUS |
< OR = 0.0005% |
| SODIUM |
< OR = 0.005% |
| ZINC |
< OR = 0.0005% |
| POTASSIUM |
< OR = 0.005% |
| PURITY BY IODINE TITRATION |
MINIMUM 99.0% |
| RECOMMENDED RETEST |
3 YEARS |
| DOCUMENT # |
A5960/01/29/07/00/2 |
Certificate of Analysis
Certificate of Origin
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