ChemicalBook--->CAS DataBase List--->7446-70-0

7446-70-0

7446-70-0 Structure

7446-70-0 Structure
IdentificationMore
[Name]

Aluminium chloride
[CAS]

7446-70-0
[Synonyms]

ALUMINIUM(+3)CHLORIDE
ALUMINIUM CHLORIDE
ALUMINIUM CHLORIDE (III)
ALUMINIUM(III) CHLORIDE
ALUMINIUM TRICHLORIDE
ALUMINUM AA STANDARD CONCENTRATE
ALUMINUM ATOMIC SPECTROSCOPY STANDARD
ALUMINUM CHLORIDE
ALUMINUM(III) CHLORIDE
ALUMINUM TRICHLORIDE
AlCl3
Alluminio(cloruro di)
alluminio(clorurodi)
Aluminium, (chlorure d')
Aluminiumchlorid
aluminiumchloride(anhydrous)
Aluminiumchloride,anhydrous
Aluminiumchlorideanhydrous
aluminiumchloridesolutions
Aluminum chloride (1:3)
[EINECS(EC#)]

231-208-1
[Molecular Formula]

AlCl3
[MDL Number]

MFCD00003422
[Molecular Weight]

133.34
[MOL File]

7446-70-0.mol
Chemical PropertiesBack Directory
[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
[InChIKey]

VSCWAEJMTAWNJL-UHFFFAOYSA-K
[Uses]

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 DataBack Directory
[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
[TSCA ]

Yes
[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)
[Toxicity]

LD50 oral (rat) 3730 mg/kg
LD50 skin (rabbit) >2 g/kg
TLV-TWA (ACGIH) 2 mg(Al)/m3
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Hydrochloric acid-->Chlorine-->Sodium sulfite-->Aluminum oxide-->Oxygen-->Aluminum-->Bifenthrin-->Petroleum coke-->ALUMINUM INGOTS
[Preparation Products]

2,3,5-TRICHLOROTHIOPHENE-->(4-IODOPHENYL)ACETONE-->Scopoletin-->Butylferrocene-->4'-Hydroxyvalerophenone-->4-Bromothiophene-2-carboxaldehyde-->4,4'-Diacetylbiphenyl-->3,4-DIBROMO-5-HYDROXY-5H-FURAN-2-ONE-->N-NONANOPHENONE-->2-ACETYL-5-CHLOROTHIOPHENE-->1,1'-Diacetylferrocene-->2-(TRIMETHYLACETYL)THIOPHENE-->4-BENZOYLBUTYRIC ACID-->3-(4-METHOXYBENZOYL)PROPIONIC ACID-->1,1,1,2,2,3,3-HEPTACHLOROPROPANE-->Vat Brown BR-->Food Yellow 3:1-->1-(4'-Bromobiphenyl-4-yl)-3-phenylpropenone-->2-Chloro-4'-fluorobenzophenone-->2-Bromo-2',4'-dichloroacetophenone-->METHOXYCHLOR-->Vat Red 15-->1-(4-Chlorophenyl)-1-phenylacetone-->2-Phenylacetophenone-->2,7-DI-TERT-BUTYLNAPHTHALENE-->PHENOXATHIIN-->4-Chloro-4'-hydroxybenzophenone-->2'-chlrophenyl-diphenyl-chlromethane-->5-Acetylsalicylamide-->2-Acetylfluorene-->CARBON TETRAIODIDE-->3-(4-Chlorobenzoyl)propionic acid-->2,4,6-Tri-tert-butylphenol-->1-(2,4-DICHLORO-3-METHYLPHENYL)ETHANONE-->4,4'-Dichlorodiphenyl sulfone-->1,1-DIFLUOROTETRACHLOROETHANE-->ACID BLUE 9 ALUMINUM LAKE-->2-Acetonaphthone-->4,4'-Difluorodiphenylmethylchloride-->1,1-Bis(4-methylphenyl)propanone
Hazard InformationBack Directory
[General Description]

A white to gray powder with a pungent odor. Corrosive to tissue and toxic by ingestion.
[Reactivity Profile]

ALUMINUM CHLORIDE behaves as an acidic salt. Self-reactive. After long storage in closed containers, explosions often occur upon opening [Chem. Abst. 41:6723d 1947]. Can cause ethylene(also other alkenes) to polymerize violently [J. Inst. Pet. 33:254 1947]. Causes ethylene oxide to rearrange and polymerize, liberating heat [J. Soc. Chem. Ind. 68:179 1949]. Can catalyze violent polymerization of allyl chloride [Ventrone 1971]. Addition to nitrobenzene containing about 5% phenol caused a violent explosion [Chem. Eng. News 31:4915 1953]. Mixtures with nitromethane may explode when organic matter is present [Chem. Eng. News 26:2257 1948].
[Health Hazard]

Contact with the skin or eyes in the presence of moisture causes thermal and acid burns.
[Potential Exposure]

It is used as ethylbenzene catalyst, dyestuff intermediate, and detergent alkylate; in making other chemicals and dyes, astringents, deodorants, in the petroleum refining, and the rubber industries
[Fire Hazard]

Behavior in Fire: Reacts violently with water used in extinguishing adjacent fires
[First aid]

Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy
[Shipping]

UN1726 Aluminum chloride, anhydrous, Hazard class: 8; Labels: 8-Corrosive material. UN2581 Aluminum chloride solution, Hazard class: 8; Labels: 8-Corrosive material
[Incompatibilities]

A strong reducing agent. Contact with air or water forms hydrochloric acid and hydrogen chloride gas. Reaction with water may be violent. Water, alcohol, and alkenes can cause polymerization. Incompatible with nitrobenzene, organic material, and bases. Attacks metal in presence of moisture, forming flammable hydrogen gas.
[Chemical Properties]

Aluminum chloride is a noncombustible but highly reactive whitish-gray, yellow, or green powder or liquid. Strong, acidic, irritating odor like hydrochloric acid.The vapor consists of double molecules Al2Cl6 . Soluble in water.
[Waste Disposal]

May be sprayed with aqueous ammonia in the presence of ice and, when reaction is complete, flushed down drain with running water.
[Definition]

aluminium chloride: A whitishsolid, AlCl3, which fumes in moist airand reacts violently with water (togive hydrogen chloride). It is knownas the anhydrous salt (hexagonal; r.d.2.44 (fused solid); m.p. 190°C (2.5atm.); sublimes at 178°C) or the hexahydrateAlCl3.6H2O (rhombic; r.d.2.398; loses water at 100°C), both ofwhich are deliquescent. Aluminiumchloride may be prepared by passinghydrogen chloride or chlorine overhot aluminium or (industrially) bypassing chlorine over heated aluminiumoxide and carbon. The chlorideion is polarized by the smallpositive aluminium ion and thebonding in the solid is intermediatebetween covalent and ionic. In theliquid and vapour phases dimer moleculesexist, Al2Cl6, in which thereare chlorine bridges making coordinatebonds to aluminium atoms (seeformula). The AlCl3 molecule can alsoform compounds with other moleculesthat donate pairs of electrons(e.g. amines or hydrogen sulphide);i.e. it acts as a Lewis acid. At hightemperatures the Al2Cl6 molecules inthe vapour dissociate to (planar)AlCl3 molecules. Aluminium chlorideis used commercially as a catalyst inthe cracking of oils. It is also a catalystin certain other organic reactions,especially the Friedel–Craftsreaction.
[Hazard]

Powerful irritant to tissue; moderately toxic by ingestion. Reacts violently with water, evolving hydrogen chloride gas.
[Flammability and Explosibility]

Aluminum chloride is not flammable but reacts violently with water, so fires involving this substance should be extinguished with carbon dioxide or dry chemicals. Toxic fumes (HCl and reaction products) can be released during fires.
[Industrial uses]

Aluminium trichloride (AlCl3) act as Lewis acids to a wide range of electron-pair donors, and this has led to their widespread use as catalysts. In the important Friedel–Crafts acylation, AlCl3 is used as a strong Lewis acid catalyst in order to achieve the acylation of an aromatic ring.
[Industrial uses]

Aluminum chloride (AlCl3) is a volatile solid which sublimes at 458 K. The vapour formed on sublimation consists of an equilibrium mixture of monomers (AlCl3) and dimers (Al2Cl6). It is used to prepare the powerful and versatile reducing agent lithium tetrahydridoaluminate (LiAlH4). Aluminium trichloride (AlCl3) act as Lewis acids to a wide range of electron-pair donors, and this has led to their widespread use as catalysts. In the important Friedel-Crafts acylation, AlCl3 is used as a strong Lewis acid catalyst in order to achieve the acylation of an aromatic ring.
[storage]

work with this substance should be conducted in a fume hood, and impermeable gloves should be worn at all times when handling AlCl3. Aluminum chloride should be stored in sealed containers under an inert atmosphere in a cool, dry place. Care should be taken in opening containers of this compound because of the possibility of the buildup of HCl vapor from hydrolysis with traces of moisture.
[Purification Methods]

Sublime it several times in an all-glass system under nitrogen at 30-50mm pressure. It has also been sublimed in a stream of dry HCl and has been subjected to a preliminary sublimation through a section of granular aluminium metal [for manipulative details see Jensen J Am Chem Soc 79 1226 1957]. It fumes in moist air.
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

aluminium trichloride(7446-70-0).msds
Questions And AnswerBack Directory
[Description]

White or light-yellow crystalline solid (or amorphous solid depending on the method of production); odor of HCl; hygroscopic; melts at 190°C at 2.5 atm; sublimes at 181.2°C; density 2.44 g/cm3 at 25°C; decomposes in water evolving heat; soluble in HCl; soluble in many organic solvents, including absolute ethanol, chloroform, carbon tetrachloride and ether; slightly soluble in benzene.
Aluminum chloride
Aluminum chloride is important industrial chemical. Anhydrous Aluminum chloride is used as the catalyst in variety of Friedel-Crafts type of reactions. Large amounts of ethylbenzene are prepared in this way and are used to make styrene.
C6H6 + CH3CH2Cl + AlCl3→C6H5CH2CH3 + H+ + [AlCl4]-
Aluminum chloride is also used in the manufacture of anthraquinone (used in dyestuffs industry) and dodecylbenzene (used to make detergents) and in the isomerisation of hydrocarbons (petroleum industry).
Aluminum chloride reacts vigorously with water and fumes in air. It is used as a catalyst in cracking petroleum and in organic synthesis.
[Uses]

Aluminum chloride has extensive commercial applications. It is used primarily in the electrolytic production of aluminum. Another major use involves its catalytic applications in many organic reactions, including Friedel-Crafts alkylation, polymerization, isomerization, hydrocracking, oxidation, decarboxylation, and dehydrogenation. It is also used in the production of rare earth chlorides, electroplating of aluminum and in many metal finishing and metallurgical operations.
[Preparation]

Aluminum chloride is made by chlorination of molten aluminum at temperatures between 650 to 750°C;
2 Al + 3Cl2→ 2AlCl3
or by chlorination of alumina (bauxite or clay) at 800°C in the presence of a reducing agent, such as carbon or CO. It can be prepared by similar high temperature chlorination of bauxite in the presence of a chlorinated organic reductant such as CCl4.
A pelletized mixture of clay, lignite and a small amount of NaCl is chlorinated at 900°C, producing gaseous AlCl3 (Toth process). Alternatively, alumina is mixed with about 20% by weight carbon and a small amount of sodium salt. The mixture is chlorinated at 600°C (Bayer process).
In the laboratory, anhydrous AlCl3 can be prepared by heating the metal with dry HCl gas at 150°C. The product sublimes and deposits in the cool air condenser. Unreacted HCl is vented out.
[Reaction]

Reacts with calcium and magnesium hydrides in tetrahydrofuran forming tetrahydro aluminates, Ca(AlH4)2; reacts with hydrides of alkali metals in ether forming aluminum hydride;
Hydrolyzes in chilled, dilute HCl forming aluminum chloride hexahydrate, AlCl3⋅6H2O; reacts violently with water, evolving HCl,
AlCl3 + H2O ——› Al(OH)3 + HCl ↑
Spectrum DetailBack Directory
[Spectrum Detail]

Aluminum chloride(7446-70-0)IR1
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Aluminium chloride, anhydrous, granules, extra pure, 99%(7446-70-0)
[Alfa Aesar]

Aluminum chloride, ultra dry, 99.999% (metals basis)(7446-70-0)
[Sigma Aldrich]

7446-70-0(sigmaaldrich)
[TCI AMERICA]

Aluminum(III) Chloride,>98.0%(T)(7446-70-0)
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