Acido L(+)-ascorbico, per analisi, ExpertQ®, ACS, ISO
- Synonyms: Vitamin C, 3-Oxo-L-gulonic acid-g-lactone
- C6H8O6
- M = 176,13 g/mol
- CAS [50-81-7]
- EINECS-No.: 200-066-2
- Solub. in water: (24 ºC): 330 g/l
- Melting point: 190 - 192 ºC (decomposes)
- Ignition temp.: 380 ºC
- LD 50 (oral, rat): 11900 mg/kg
- Tariff number: 2936 27 00 00
- Applications: synthesis of organic products, for pharmaceutical use, antioxidant (in food industry), in biochemistry.
SPECIFICATIONS
assay (iodometric): min. 99,7 %
identity (IR-spectrum): passes test
specific rotation ([a]20°/D, c = 10, H2O): + 20,5 º - + 21,5 º
insoluble in water: max. 0,01 %
pH (5 %, H2O): 2,2 - 2,5
chlorides (Cl): max. 0,005 %
sulfates (SO4): max. 0,002 %
copper (Cu): max. 0,3 ppm
heavy metals (as Pb): max. 0,001 %
iron (Fe): max. 2 ppm
lead (Pb): max. 0,001 %
nickel (Ni): max. 0,001 %
residue on ignition: max. 0,05 %
loss on drying (105 ºC): max. 0,1 %
| Codice | Volume | ||
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AC0515005P | x 5 kg |
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AC05150100 | x 100 g |
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AC05150250 | x 250 g |
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AC0515025P | x 25 kg |
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AC05151000 | x 1 kg |
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