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Key Documents

8.01081

Sigma-Aldrich

Aluminium chloride

anhydrous powder sublimed for synthesis

Synonym(s):

Aluminium chloride, Hydrochloric acid aluminium salt anhydrous, Trichloroaluminum

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About This Item

Empirical Formula (Hill Notation):
AlCl3
CAS Number:
Molecular Weight:
133.34
MDL number:
UNSPSC Code:
12352302
EC Index Number:
231-208-1
NACRES:
NA.22

vapor pressure

1 hPa ( 20 °C)

Quality Level

form

powder

potency

3450 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)

pH

2.4 (20 °C, 100 g/L in H2O)

mp

180-181 °C (sublimed)

solubility

450 g/L (decomposition)

density

1.31 g/cm3 at 200 °C (liquid)

bulk density

1200 kg/m3

storage temp.

2-30°C

InChI

1S/Al.3ClH/h;3*1H/q+3;;;/p-3

InChI key

VSCWAEJMTAWNJL-UHFFFAOYSA-K

General description

Aluminum chloride and Aluminum hydroxide are used for the staining of Mucicarmine.

Application

Aluminium chloride (AlCl3) can be used as a Lewis acid catalyst:
  • In Friedel−Crafts reactions.
  • In the carboxymethylation of alcohols in the presence of dimethyl carbonate.
  • To synthesize a porous organic polymer with hydroxyquinoline via polymerization reaction between perylene, 8-hydroxyquinoline, and chloroform.

It is also used in combination with NaI or KI in acetonitrile for varieties organic transformations such as Claisen rearrangement of aromatic alcohols, selective dealkylation aliphatic methyl ether, and chemoselective C−O bond cleavage of esters, acetals, ethers, and oxathiolanes.

Linkage

Replaces: AX0685-2; AX0685

Analysis Note

Assay (complexometric): ≥ 98.0 %
Identity (ICP-OES): passes test

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Supplementary Hazards

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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