Aluminum Hydroxide
✓ EU AllowedIdentification
CAS Number 21645-51-2
EINECS / EC 244-492-7
CosIng Ref 74215
Chemical Name Aluminium hydroxide
Formula AlH3O3
Mol. Weight 78.004 g/mol
Function & Classification
Primary Function Emollient
Secondary Functions HUMECTANT; OPACIFYING; SKIN PROTECTING; VISCOSITY CONTROLLING
Origin Mineral
Category Emollients & Esters
EU Regulatory Status
Safety Profile
1 / 10
Skin Type Compatibility
Fungal Acne Safe ✓ Safe
Toxicology Profile
NOAEL 270 mg/kg bw/day (oral, rat) WHO 1997 / ECHA
Sensitization Non-sensitizer
Genotoxicity Non-genotoxic
Phototoxicity Non-phototoxic
LD₅₀ Oral >5000 mg/kg (rat)
Skin Irritation (Draize) 0.2 / 4.0
Eye Irritation (Draize) 0.5 / 4.0
Formulation Guidelines
Usage level, pH range, solubility and addition phase not yet available.
Usage Level % · Addition Phase · Solubility
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