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
H314
Sourcing ETHYLALUMINUM SESQUICHLORIDE?
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Ethylaluminum dichloride
Polymerization catalyst and intermediate
Sourcing ETHYLALUMINUM SESQUICHLORIDE?
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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.
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.
The international HS code for ETHYLALUMINUM SESQUICHLORIDE (CAS 12075-68-2) is 2931.90.
2931.90
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.
chloro(diethyl)alumane;dichloro(ethyl)alumane
LDXMUMPEDOQULK-UHFFFAOYSA-K
CC[Al](CC)Cl.CC[Al](Cl)Cl