443999
Trimethyl borate
purified by redistillation, ≥99.5%
Synonym(s):
Boric acid trimethyl ester, Methyl borate
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About This Item
Linear Formula:
B(OCH3)3
CAS Number:
Molecular Weight:
103.91
UNSPSC Code:
12352103
NACRES:
NA.22
PubChem Substance ID:
EC Number:
204-468-9
Beilstein/REAXYS Number:
1697939
MDL number:
Assay:
≥99.5%
Form:
liquid
vapor density
3.59 (vs air)
Quality Level
assay
≥99.5%
form
liquid
purified by
redistillation
refractive index
n20/D 1.346 (lit.)
bp
68-69 °C (lit.)
mp
−34 °C (lit.)
density
0.932 g/mL at 20 °C (lit.)
SMILES string
COB(OC)OC
InChI
1S/C3H9BO3/c1-5-4(6-2)7-3/h1-3H3
InChI key
WRECIMRULFAWHA-UHFFFAOYSA-N
Application
Trimethyl borate can be used as:
- A reagent in the preparation of various trialkylamine−boranes from corresponding trialkylamines using lithium hydride/aluminum chloride catalyst.
- A source of boron in the synthesis of boron nitride (BN) nanotubes by thermal-heating chemical vapor deposition (TH-CVD) method.
- An electrolytic additive for electrochemical applications.
- A reagent along with lithium di-tert-butyl(2,2,6,6-tetramethylpiperidino)zincate (TMP-zincate) for the synthesis of 1-tert-butyl-3,4-dihydroisoquinoline from isoquinoline via ortho metalation reaction.
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signalword
Danger
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Repr. 1B - STOT SE 1
target_organs
Eyes
Storage Class
3 - Flammable liquids
wgk
WGK 1
flash_point_f
12.2 °F - (own results)
flash_point_c
-11 °C - (own results)
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Regulatory Information
危险化学品
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Trimethyl borate-induced one-pot homologation reactions of isoquinoline with di-tert-butyl-TMP zincate
Seo HJ, et al.
Tetrahedron Letters, 52(29), 3747-3750 (2011)
Trimethyl borate as an electrolyte additive for high potential layered cathode with concurrent improvement of rate capability and cyclic stability
Wang Z, et al.
Electrochimica Acta, 184(1), 40-46 (2015)
Thermal-heating CVD synthesis of BN nanotubes from trimethyl borate and nitrogen gas.
Lin FH, et al.
Materials Chemistry and Physics, 107(1), 115-121 (2008)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 443999-1L | 04061838127785 |
| 443999-100ML | 04061838127778 |