Salts & Minerals
REACH
Aluminum chloride hexahydrate
CAS Number
7784-13-6
EC Number
231-208-1
What is Aluminum chloride hexahydrate?
Aluminum chloride hexahydrate (CAS 7784-13-6) is the hydrated crystalline salt form of aluminum chloride. Also marketed as Hydrosal Gel.
Where is Aluminum chloride hexahydrate used?
- Water treatment: coagulant that destabilizes suspended solids and colloidal matter, enabling clarification and sludge removal
- Textile and leather processing: mordant and fixative improving dye uptake and bonding
- Pulp and paper: supports rosin sizing and retention aid systems
- Pharmaceutical and cosmetic formulations: active antiperspirant agent
- It also serves as a precursor in the preparation of aluminum-based compounds.
Commercial specifications
- 25 kg bags or bulk sacks; solution forms for select water treatment applications
Other Names (Synonyms)
Hydrosal Gel|aluminum trichloride hexahydrate|aluminium(III) chloride hexahydrate|aluminium chloride hexahydtate|aluminium chloride hexahydrate|AlCl3.6H2O|aluminium trichloride hexahydrate|RefChem:915607
What are the physical properties of Aluminum chloride hexahydrate?
Melting Point 100°C (dec.)
Density 2.5 x 10⁻³ g/cm³
Appearance white to pale yellow crystalline solid
Color White To Light Yellow
Odor Odorless
Form Solid
Water Solubility 477 g/L (20 ºC)
Vapor Pressure 1 mm Hg ( 100 °C)
pH 2.5 (50g/l, H2O, 20℃)
Log P -1.380 (est)
How is Aluminum chloride hexahydrate classified and handled safely? Learn More
Danger
GHS05· Corrosive GHS07· Irritant GHS08· Health Hazard GHS09· Environmental Hazard
Hazard Statements
H303 May be harmful if swallowed
H314 Causes severe skin burns and eye damage
H315 Causes skin irritation
H318 Causes serious eye damage
Precautionary Statements
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Which trade and regulatory codes apply to Aluminum chloride hexahydrate?
HS Code 28273200
UN Number 3260
ADR Class 8
Packing Group III
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
WGK (Germany) 1