Trimethyl borate
SIAL/92330 - purum, ≥99.0% (GC)
Synonym: Boric acid trimethyl ester; Methyl borate
CAS Number: 121-43-7
Empirical Formula (Hill Notation): C3H9BO3
Molecular Weight: 103.91
EC Number: 204-468-9
MDL Number: MFCD00008346
Linear Formula: B(OCH3)3
Product Type: Chemical
assay | ≥99.0% (GC) |
bp | 68-69 °C (lit.) |
density | 0.932 g/mL at 20 °C (lit.) |
form | liquid |
grade | purum |
InChI | 1S/C3H9BO3/c1-5-4(6-2)7-3 |
InChI key | WRECIMRULFAWHA-UHFFFAOYSA |
mp | −34 °C (lit.) |
Quality Level | 200 ![]() |
refractive index | n |
n |
|
SMILES string | COB(OC)OC |
vapor density | 3.59 (vs air) |
Application: | Trimethyl borate (TMB) can be used: • For the synthesis of luminogens having triphenylamine core and tetraphenylethene peripheral moieties. • For the synthesis of ammonia borane and trialkylamine boranes. • In the reduction of carboxylic acids in the presence of borane-methyl sulfide. • As a reagent to crosslink phopshate complexes. • As a source of boron to synthesize boron nitride nanotubes by chemical vapor deposition (CVD) method. |
Symbol | ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H225 - H301 + H311 + H331 - H319 - H360FD - H370 |
Precautionary statements | P210 - P280 - P301 + P310 - P303 + P361 + P353 - P304 + P340 + P311 - P305 + P351 + P338 |
Hazard Codes | T |
Risk Statements | 60-61-11-21-36 |
Safety Statements | 53-23-25-26-45 |
RIDADR | UN 2416 3 / PGII |
WGK Germany | WGK 1 |
Flash Point(F) | 12.2 °F - (own results) |
Flash Point(C) | -11 °C - (own results) |
Purity | ≥99.0% (GC) |
bp | 68-69 °C (lit.) |
mp | −34 °C (lit.) |
Density | 0.932 g/mL at 20 °C (lit.) |
Refractive Index | n |
UNSPSC | 12352103 |