L-Ascorbic Acid 99% Extrapure
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CAS :
50-81-7
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REF :
24441
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| QUANTITY |
PRICE |
ENQUIRY |
|
100 gm |
Rs
690.00
|
|
|
500 gm |
Rs
3220.00
|
|
- Formula: C₆H₈O₆
- CAS: 50-81-7
- EC No.: 200-066-2
- M (Molar Mass): 176.12 g/mol
- D (Density): 1.65 g/cm³
- mp (Melting Point): 190-192°C (decomposes)
- bp (Boiling Point): Not applicable
- Optical Rotation: [α]²⁰D +20.5° to +21.5° (c=1 in H₂O)
- Assay (Iodometric): ≥ 99.0 %
- Appearance: White to slightly yellow crystalline powder.
- Identification (Decolorization of DCPIP, Optical Rotation): Passes test.
- Specific Rotation: [α]²⁰/D = +20.5° to +21.5° (c=1, H₂O)
- pH (5% solution): 2.2 - 2.5
- Heavy Metals (as Pb): ≤ 10 ppm
- Iron (Fe): ≤ 5 ppm
- Loss on Drying (over silica gel): ≤ 0.4 %
- Residue on Ignition: ≤ 0.1 %
- Hazard: Not classified as hazardous.
- Safety: For laboratory use only.
- Storage: Store in a tightly closed container in a cool, dry place. Protect from light and air.