Sodium ascorbate
Synonyms
L-Ascorbic acid, monosodium salt;
Sodium L-ascorbate;
Vitamin C, sodium salt;
L-Ascorbic acid, sodium salt (1:1);
Category
Anionic Surfactant
> Alkoxide
Chemical Numbering System
CAS: 134-03-2
EINECS: 205-126-1
Molecular Formula & Molecular Weight
Molecular Formula: C6H7NaO6; C6H8O6.Na
Molecular Weight: 198.11
Structure
Properties
Appearance (1), white powder.
Solubility soluble in water.
Stability stable. Easily oxidized.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent anti-oxidizing, UV absorbing, dispersing abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Solid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
|
As, mg/kg, ≤ |
3 |
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents -- Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents -- Determination of total arsenic
3, Product standards
(1), Chinese standards
(1a), GB 1886.44 Food safety national standard -- Food additive -- Sodium ascorbate
(1b), GB 34460 Feed additive -- Sodium L-ascorbate
(1c), Chinese Pharmacopoeia (2015 Edition) Sodium ascorbate
4, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.
Major Uses
1, Typical applications
Use as antioxidant.
2, Personal care products
Antioxidant in personal care products. Good whitening effect.
3, Food
Use as food additive (antioxidant), food nutrition fortifier.
4, Feed
Use as feed additive.
5, Medicine
Use as pharmaceutical ingredient. (This section is for reference only, should be implemented according to local Pharmacopoeia.)
Manufacturers
Update: 20141009(1); 20180826(2);