Trimethylboron

CAS Number593-90-8
FormulaB(CH3)3
Mol. Weight55.91 g/mol
Trimethylboron
What is Trimethylboron?
Trimethylboron is a chemical compound with CAS number 593-90-8 and molecular formula B(CH3)3. It is used in various industrial and research applications.
Applications
Precursor to boron carbide thin films by chemical vapor deposition (CVD).1
Specifications
Linear Formula
B(CH3)3
Molecular Weight
55.91 g/mol
Grade
electronic grade
Assay/Purity
≥98.35%
Impurities
<1 ppm Oxygen (O2)
<1.5% Dimethylethylborane [B(CH3)2C2H5]
<10 ppm Carbon dioxide (CO2)
<10 ppm Nitrogen (N2)
<100 ppm Methane (CH4)
<1000 ppm Trimethylamine (TMA)
<50 ppm Hydrogen (H2)
Boiling Point
−20.2 °C(lit.)
Safety Information
GHS04
GHS05Signal Word
Danger
Hazard Statements
H280-H314
Precautionary Statements
P280-P305 + P351 + P338-P310-P410 + P403
Required PPE
Faceshields, Gloves, Goggles, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US)
Melting Point
−161.5 °C(lit.)
EC Number
209-816-3
WGK Germany
1
