Linear Formula : Al(OH)₃ · x H₂O
CAS Number : 21645-51-2
Molecular Weight : 78.00
UNSPSC Code : 12352305
EC Index Number : 244-492-7
NACRES : NA.21
MDL number : MFCD00003420
Form : Powder
Vapor Pressure : <0.1 hPa ( 20 °C)
Quality Segment : 200
Loss : 30.0-35.0% loss on ignition, 700°C
pH : 8-9 (20 °C, 100 g/L in H₂O, slurry)
mp : 300 °C (Elimination of water of crystallisation)
Solubility : Water: insoluble at 20 °C
Density : 2.42 g/cm³ at 20 °C
Bulk Density : ~90 g/100 mL
Anion Traces : Chloride (Cl^-): ≤0.01%, sulfate (SO₄^2-): ≤0.05%
Cation Traces : Fe: ≤0.01%, Na: ≤0.3%
Storage Temp. : 2-30°C