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Name Aluminium chloride
CAS 7446-70-0
EINECS(EC#) 231-208-1
Molecular Formula AlCl3
MDL Number MFCD00003422
Molecular Weight 133.34
MOL File 7446-70-0.mol

Chemical Properties

Appearance Aluminum chloride is a noncombustible but highly reactive whitish-gray, yellow, or green powder or liquid. Strong, acidic, irritating odor like hydrochloric acid
Melting point  194 °C
Boiling point  180°C
density  2.44
vapor pressure  1 mm Hg ( 100 °C)
Fp  88 °C
storage temp.  2-8°C
solubility  H2O: soluble
form  powder
color  Yellow to gray
Specific Gravity 2.44
Odor Hydrogen chloride odor detectable when exposed to moist air
PH 2.4 (100g/l, H2O, 20℃)
PH Range 2.4
Stability: Stable, but reacts violently with water. Prolonged storage may lead to pressure build-up-vent container periodically. Incompatible with alcohols and a variety of other materials (see complete MSDS sheet for full list).
Water Solubility  reacts
Sensitive  Moisture Sensitive
Merck  14,337
Exposure limits NIOSH: TWA 2 mg/m3
A yellowish-white crystalline or granular powder made by passing chlorine gas over alumina in a heated state and collecting the product by sublimation. Aluminum chloride was occasionally used in gold and platinum toning baths.
CAS DataBase Reference 7446-70-0(CAS DataBase Reference)
NIST Chemistry Reference Aluminum trichloride(7446-70-0)
EPA Substance Registry System 7446-70-0(EPA Substance)

Safety Data

Hazard Codes  C,Xi,T
Risk Statements 
R36/38:Irritating to eyes and skin .
R34:Causes burns.
R62:Possible risk of impaired fertility.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R48/23/24:Toxic: danger of serious damage to health by prolonged exposure through inhalation and in contact with skin .
R40:Limited evidence of a carcinogenic effect.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R14:Reacts violently with water.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S7/8:Keep container tightly closed and dry .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
RIDADR  UN 3264 8/PG 3
WGK Germany  1
RTECS  BD0525000
HazardClass  8
PackingGroup  II
HS Code  28273200
Safety Profile
Moderately toxic by ingestion. Experimental teratogenic and reproductive effects. Mutation data reported. The dust is an irritant by ingestion, inhalation, and skin contact. Highly exothermic polymerization reactions with alkenes. Incompatible with nitrobenaenes or nitrobenzene + phenol. Highly exothermic reaction with water or steam produces toxic fumes of HCl. See also ALUMINUM COMPOUNDS, CHLORIDES, and HYDROCHLORIC ACID.
Hazardous Substances Data 7446-70-0(Hazardous Substances Data)
LD50 oral (rat) 3730 mg/kg
LD50 skin (rabbit) >2 g/kg
TLV-TWA (ACGIH) 2 mg(Al)/m3

Hazard Information

Material Safety Data Sheet(MSDS)

Questions And Answer