Aluminum lactate
Synonyms
Aluminium trilactate;
Aluminum, tris(2-(hydroxy-kappaO)propanoato-kappaO)-;
Category
Anionic Surfactant
> Carboxylate
>> Chain Carboxylate
>>> Hydroxyalkyl Carboxylate
>>>> Hydroxy Linear Alkyl Carboxylate
Chemical Numbering System
CAS: 18917-91-4
EINECS: 242-670-9
Molecular Formula & Molecular Weight
Molecular Formula: C9H15AlO9
Molecular Weight: 294.19
Structure
Properties
Appearance (1), solid.
Solubility soluble in water.
Stability stable.
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: 
Animal Toxicity
Table 1 Animal toxicity values
|
rat intraperitoneal LD50 |
3720mg/kg[1] |
Reproductive effect[1].
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent dispersing, emulsifying abilities.
Synthesis
Lactic acid reacts with aluminium, then obtains.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
85.0 |
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, 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 emulsifying agent, dispersing agent.
2, Personal care products
Astringent, buffering agent, deodorant in personal care products. Used in toothpaste, can strengthen dentin.
3, Material
Use as refractory.
Manufacturers
References
[1]: ChemIDplus. 18917-91-4, Aluminum lactate
Update: 20140203(1); 20180917(2);