Aluminum methionate
Synonyms
Tris(mu-(methanedisulphonato(2-)))dialuminium;
Methanedisulfonic acid, aluminum salt (3:2);
Category
Anionic Surfactant
> Sulfonate
>> Chain Sulfonate
>>> Alkyl Sulfonate
>>>> Linear Alkyl Sulfonate
Chemical Numbering System
CAS: 52667-15-9
EINECS: 258-085-7
Molecular Formula & Molecular Weight
Molecular Formula: C3H6Al2O18S6
Molecular Weight: 576.42
Structure
Properties
Appearance (1), white solid.
Solubility soluble in water.
Stability stable.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory. 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 thickening, dispersing abilities.
Note (1), Avoid using in children products, such as shower gels, shampoo, skin care products, and so on.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
85.0 |
Test Methods
(1), Actives
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, 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.
Major Uses
1, Typical Applications
Use as thickening agent.
Use as dispersing agent.
2, Personal care products
Use as thickening agent.
3, Pets
Use as thickening agent.
Manufacturers
Update: 20131027(1); 20170710(2);