00307
L-Ascorbic Acid 99% Extrapure
L-Threoascorbic acid, Antiscorbutic factor, Vitamin C
Physical state at 20 °C
Solid |
Colour
White crystalline |
Odour
Odorless |
pH value
1 - 2.5 |
Melting point/ Freezing point [°C]
190 - 194 °C |
Density [g/cm3]
1.65 |
Solubility in water [% weight]
176 g/l at 20 °C - completely soluble |
Appearance
A white to very pale yellow crystalline powder or colourless crystals; odourless. On exposure to light it gradually darkens. |
Assay
99.0 - 100.5% |
Specific rotation [a] 20°C/ D (10% solution)
+20.5° to +21.5° |
Residue on ignition
Max. 0.1% |
Heavy metal (as Pb)
Max. 0.002% |
Iron (Fe)
Max. 0.001% |
Pack Size | Quantity |
---|---|
2500 ml | 3 |
500 ml | 2 |