English Safety Data Sheet Database 中文版 MSDS

Trichlorotrimethyldialuminum

CAS No. 12542-85-7 | PubChem CID 61568
Section 1. Identification
Chemical NameTrichlorotrimethyldialuminum CAS No.12542-85-7
Synonymsmethyl aluminum sesquichloride; trichlorotrimethyl dialuminum Chinese Name三氯化三甲基二铝
Molecular FormulaC3HgAl2Cl Molecular Weight205.427
UN No.3394 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word DANGER
Pictograms GHS02 · Flammable GHS05 · Corrosive
Hazard Statements H250H260H314
Precautionary Statements P210P222P223P231P231+P232P233P260P264P280P301+P330+P331P302+P335+P334P302+P361+P354P304+P340P305+P354+P338P316P321P363P370+P378P402+P404P405P501

Section 2. Hazards Identification

H250 (100%): Catches fire spontaneously if exposed to air [Danger Pyrophoric liquids]

H260 (100%): In contact with water releases flammable gases which may ignite spontaneously [Danger Substances and mixtures which in contact with water, emit flammable gases]

H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

P210, P222, P223, P231, P231+P232, P233, P260, P264, P280, P301+P330+P331, P302+P335+P334, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P370+P378, P402+P404, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 2 reports by companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Section 9. Physical and Chemical Properties

Flammable agents - 4th degree

Reactive agents - 3rd degree

Source: PubChem CID 61568 (NIH/NLM, public domain). Retrieved from PubChem, a public-domain chemistry database maintained by the U.S. National Library of Medicine. Last updated: 2026-08-02 09:55:30.
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.