Trimethylborane

Agent Name
Trimethylborane
CAS Number
593-90-8
Formula
C3-H9-B
Major Category
Metals
Trimethylborane formula graphical representation
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: