Agent Name

Trimethylaluminum

CAS Number

75-24-1

Formula

C3-H9-Al

Major Category

Metals

Synonyms

Aluminum, trimethyl-; Trimethylalane; Trimethylaluminium; [ChemIDplus] Aluminum trimethyl; Aluminum trimethanide; TMA; [Merck Index] UN3394

Category

Metals, Organic Compounds

Description

Clear colorless liquid; mp = 15 deg C; [Merck Index]

Sources/Uses

Used as a reagent and catalyst in organic chemistry and as a source of aluminum in semiconductors; [Merck Index]

Comments

Pyrophoric and corrosive; Reacts violently with water; [Merck Index] Pyrophoric; Reacts violently with water evolving flammable gases; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract; [Sigma-Aldrich MSDS] See "Triethylaluminum."

Exposure Assessment
Vapor Pressure

12.4 mm Hg

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Organometallic substance, liquid, pyrophoric, water-reactive."

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

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Chemical Information

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure: