مشخصات فنی
| Vitamin C, Antiscorbutic factor, L-Threoascorbic acid | Synonym |
|---|---|
|
50-81-7
|
CAS-No
|
|
200-066-2
|
EC-No
|
|
C6H8O6
|
Linear Formula
|
|
White crystal or crystalline powder
|
Appearance
|
|
330 g/l (20ºC)
|
Solub. in H2O
|
|
2 (50 g/l, H2O, 20ºC)
|
pH value
|
|
176.13 g/mol
|
Molecular Weight
|
|
190-192ºC (decomposition)
|
Melting point
|
|
1.65 g/cm3
|
Spec. density
|
|
2936-27-00
|
HS-No
|
|
: Eye irritation, Skin irritation, H315, H319, P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, P362 LGK 10 – 13
|
GHS
|
|
Keep container tightly closed in a dry and well-ventilated place
|
Storage Conditions
|
|
99.0-100.5%
|
Assay (Oxidation-reduction titratin)
|
|
≤10ppm
|
Heavy metals
|
|
≤2ppm
|
Iron (Fe)
|
|
≤3ppm
|
Arsenic (As)
|
|
≤2ppm
|
Lead (Pb)
|
|
≤1ppm
|
Mercury (Hg)
|
|
≤1ppm
|
Cadmium (Cd)
|
|
≤0.2%
|
Oxalic acid
|
|
≤0.1%
|
Sulfate ash
|
|
≤0.4%
|
Loss of drying
|
