Trimethylborane
Agent Name
Trimethylborane
CAS Number
593-90-8
Formula
C3-H9-B
Major Category
Metals
Synonyms
Trimethylboron; Trimethyl borane; Trimethyl borine; TMB; [Matheson Tri-Gas MSDS] UN3160
Category
Metalloid Compounds (Boron)
Description
Colorless gas with a repulsive odor; [Matheson Tri-Gas MSDS]
Sources/Uses
Has been used as a neutron counter and in the semiconductor industry (chemical vapour deposition); [Wikipedia]
Comments
Pyrophoric; Reacts violently with water; May cause thermal burns on reaction with air or water; Sudden release of compressed gas may cause frostbite; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract; [Matheson Tri-Gas MSDS] See "Diborane" and "Tri-n-butylborane."
Biomedical References
Exposure Assessment
TIH
Yes
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Liquefied gas, toxic, flammable, n.o.s."
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent:
Processes
Industrial Processes with risk of exposure: