Introduction
Name: Sodium ascorbate
CAS No: 134-03-2
Molecular Formula: C6H7O6Na
The decomposition temperature of sodium ascorbate is 218 ℃. It is stable in dry state, and its color deepens when exposed to light. It is slowly oxidized and decomposed after moisture absorption and in aqueous solution. Ascorbic acid is more soluble in water (62 G/100 mL) than ascorbic acid, and the pH of 10% aqueous solution is about 7.5.
Specifications
|
Item |
Specifications |
|
Characteristics |
White or yellowish crystals or crystalline powder |
|
Identification |
Positive Reaction |
|
Specific Optical Rotation ° |
+103~+108 |
|
PH |
7.0~8.0 |
|
Loss of Drying % |
≤0.25 |
|
Heavy Metals ppm |
≤10 |
|
Lead ppm |
≤2 |
|
Assay % |
99.0-101.0 |
Packing: 25kg/bag.
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Application
- Antioxidants in meat and other foods.
- It can be used as food nutrition fortifier, color fixative and antioxidant. The effect is the same as ascorbic acid.
Chemical & physical properties
|
Molecular formula |
C6H7O6Na |
|
Molecular weight |
198.11 |
|
CAS NO |
134-03-2 |
|
EINECS NO |
205-126-1 |
|
E number |
E301 |
|
Density |
1.66 g/cm3 |
|
Appearance |
minute white to yellow crystals |
|
Melting point |
218 °C (424 °F; 491 K) (decomposes) |
|
Water Solubility |
62 g/100 mL (25 °C) 78 g/100 mL (75 °C) |
|
Solubility |
very slightly soluble in alcohol insoluble in chloroform, ether |
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