Magnesium ascorbyl phosphate
Synonyms
Ascorbic acid, monoester with phosphoric acid, magnesium salt (2:3);
Category
Anionic Surfactant
> Phosphate
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Chemical Numbering System
CAS: 113170-55-1
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C12H12Mg3O18P2; C6H9O9P.3/2Mg
Molecular Weight: 579.08
Structure
Schematic formula:
Properties
Appearance (1), white powder.
Solubility soluble in water.
Stability stable. Easily oxidized.
Risk Solid form: irritation, irritation to skin, eye, respiratory system.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent anti-oxidizing, dispersing abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
90.0 |
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), QB/T 4952 Cosmetic ingredients -- Magnesium ascorbyl phosphate
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
Conditioning agent, antioxidant in personal care products. Good whitening effect.
Manufacturers
Update: 20140325(1); 20190318(2);