C6H15Al2Cl3
247.5 g/mol
Industrial ChemicalDanger
ETHYLALUMINUM SESQUICHLORIDE
CAS12075-68-2EC235-137-7
Category
Industrial Chemical
Compound Class
Organometallic
Primary Use
Catalyst for olefin polymerization
Ethylaluminum sesquichloride (EASC) is an industrially important organoaluminum compound used primarily as a catalyst component in Ziegler–Natta type systems for olefin and diene polymerizations. It is a colorless liquid that is spontaneously combustible in air and reacts violently with water.
Catalyst component for olefin polymerizationPrecursor to triethylaluminumCatalyst component in alkylation reactions
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Ethylmagnesium chloride
CAS2386-64-3
research compound
StrongSame Parent
Ethylaluminum dichloride
CAS563-43-9
Polymerization catalyst and intermediate
StrongSame Parent
Diethylaluminium cyanide
CAS5804-85-3
organoaluminum reagent for organic synthesis
StrongSame Parent
Ethyl lithium
CAS811-49-4
research compound
ApplicationSame Use
Chromium carbonyl
CAS13007-92-6
Catalyst for olefin polymerization
ReferenceSame Category
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synthesis intermediate for dyes and agrochemicals
ReferenceSame Category
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Chemical intermediate for synthesis
ReferenceSame Category
2,4-dinitrotoluene
CAS121-14-2
intermediate in polyurethane manufacture
Safety Reference
Danger
H225Highly flammable liquid and vapour
H250Catches fire spontaneously if exposed to air
H260In contact with water releases flammable gases which may ignite spontaneously
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for ETHYLALUMINUM SESQUICHLORIDE (CAS 12075-68-2) is 2931.90.
HS code (international, 6-digit)
2931.90
EU CN code (8-digit)
2931 90 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
chloro(diethyl)alumane;dichloro(ethyl)alumane
InChIKey
LDXMUMPEDOQULK-UHFFFAOYSA-K
SMILES
CC[Al](CC)Cl.CC[Al](Cl)Cl
Synonyms (15)
- Aluminum, trichlorotriethyldi
- ETHYLALUMINUM SESQUICHLORIDE
- Sesquiethylaluminum chloride
- Trichlorotriethyldialuminium
- Trichlorotriethyldialuminum
- Triethyltrichlorodialuminum
- ethylaluminum sesquichioride
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