Salts & Minerals
REACH
Aluminum distearate
CAS Number
300-92-5
EC Number
206-101-8
What is Aluminum distearate?
Aluminum distearate (CAS 300-92-5), also known as hydroxyaluminum distearate or Special M, is a metallic soap derived from stearic acid and aluminum.
Where is Aluminum distearate used?
- Lubricants and greases: thickening agent
- Plastics compounding: internal and external lubricant
- Extrusion: reduces die buildup and improves mold release
- Construction sealants and coatings: modifies flow to prevent sagging and control viscosity
- Personal care: structure and texture control in anhydrous sticks, balms and color cosmetics
- It builds gel structures that improve consistency and thermal stability.
Commercial specifications
- Cosmetic grade meeting purity requirements for personal care
- Packaging from multi-wall bags to bulk quantities
Other Names (Synonyms)
Hydroxyaluminum distearate|Aluminium distearate|Special M|Aluminum hydroxydistearate|Aluminum hydroxide distearate|Aluminum, hydroxybis(stearato)-|Aluminum, hydroxybis(octadecanoato-O)-
What are the physical properties of Aluminum distearate?
Melting Point 145 °C
Boiling Point 673.64°C
Density 1.009 g/cm³
Appearance White powder. Insoluble in water, alcohol, ether. Forms gel with aliphatic and aromatic hydrocarbons.
Color white
Form Powder
Water Solubility water: insoluble
Vapor Pressure 0Pa at 25℃
Log P 15.088 at 25℃
How is Aluminum distearate classified and handled safely? Learn More
Warning
GHS07· Irritant
Hazard Statements
H315 Causes skin irritation
H319 Causes serious eye irritation
Precautionary Statements
P264 Wash … thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P321 Specific treatment (see … on this label).
P264+P265 Wash … thoroughly after handling.
Which trade and regulatory codes apply to Aluminum distearate?
Storage Class 11 - Combustible Solids
WGK (Germany) nwg