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Triethylborane

Triethylborane chemical structure
CAS Number97-94-9
FormulaN/A
Mol. Weight97.99 g/mol

What is Triethylborane?

Triethylborane is a chemical compound with CAS number 97-94-9. It is used in various industrial and research applications.

Applications

Reagent for:
• Enantioselective umpolung allylation of aldehydes1
• Preparation of tetramethylammonium trialkylphenylborate salts2

Catalyst for:
• Radical reductions of alkyl bromides and iodides bearing electron withdrawing groups with N-heterocyclic carbene boranes3
• Synthesis of 1-substituted pyrrolines by N-diallylation of amines and ring-closing metathesis4
• Decarboxylative C-C bond cleavage reactions5
• Alkene hydrogenations6
• Aminyl radical cyclizations onto silyl enol ethers7

Modifier for single-site organochromium ethylene polymerization catalysts8

Specifications

Linear Formula

(C2H5)3B

Molecular Weight

97.99 g/mol

Assay/Purity

≥95%

Boiling Point

95 °C(lit.)

Density

0.677 g/mL at 25 °C(lit.)

Safety Information

GHS02GHS02
GHS05GHS05
GHS06GHS06
Signal Word

Danger

Hazard Statements

H250-H301-H314

Precautionary Statements

P222-P231-P280-P301 + P310-P305 + P351 + P338-P422

Required PPE

Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter

Melting Point

−93 °C(lit.)

EC Number

202-620-9

WGK Germany

3

Frequently Asked Questions