251615

Ethylaluminum dichloride solution

1.0 M in hexanes

• Synonym(s): Dichloro(ethyl)alumane solution
• Linear Formula: CH₃CH₂AlCl₂
• CAS Number: 563-43-9
• Molecular Weight: 126.95
• Beilstein: 4123357
• MDL number: MFCD00000457
• UNSPSC Code: 12352103
• PubChem Substance ID: 24855143
• NACRES: NA.22

Properties

• vapor pressure: 5 mmHg ( 60 °C)
• form: liquid
• concentration: 1.0 M in hexanes
• density: 0.729 g/mL at 25 °C
• SMILES string: CC[Al](Cl)Cl
• InChI: 1S/C2H5.Al.2ClH/c1-2;;;/h1H2,2H3;;2*1H/q;+2;;/p-2
• InChI key: UAIZDWNSWGTKFZ-UHFFFAOYSA-L

Description

Application

Ethylaluminum dichloride is a strong Lewis acid and a proton scavenger that can be used:

• To catalyze polymerization of isobutylene.
• To facilitate Diels-Alder reaction of α,β-unsaturated esters.
• To carry out Pinacol reduction rearrangements.
• To promote Schmidt rearrangement of diketoazides in the synthesis of indolizidines and pyrroloazepinediones.

Safety Information

• Pictograms: GHS02,GHS08,GHS05,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H225,H261,H304,H314,H336,H361f,H372,H411
• Precautionary Statements: P210 - P231 + P232 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Aquatic Chronic 2 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Skin Corr. 1B - STOT RE 1 Inhalation - STOT SE 3 - Water-react 2
• Target Organs: Central nervous system, Nervous system
• Storage Class Code: 4.2 - Pyrophoric and self-heating hazardous materials
• WGK: WGK 3
• Flash Point(F): -9.4 °F - closed cup
• Flash Point(C): -23 °C - closed cup