Trimethylborane

Edit: Trimethylborane

CAS No.:
593-90-8
Formula:
C3H9B
Molecular Weight: 55.91460

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Overview
Description
Basic Info
Numbering system
Properties
Safety Info
Synthesis Route
Precursor
Downstream Product

Description

Trimethylborane (TMB) is a toxic, pyrophoric gas with the formula B(CH3)3 (which can also be written as Me3B, with Me representing methyl). Its melting point is -161.5°C and its boiling point is -20.2°C. Vapour pressure is given by log P = 6.1385+1.75 log T - 1393.3/T - 0.007735 T. T is temperature in Kelvin. CAS number is 593-90-8. Molecular weight is 55.914. The heat of vapourisation is 25.6 kJ/mol.

Basic Info

Chemical Name	Trimethylborane
Synonyms	trimethyl boron; trimethylborine; trimethyl-borane; Borane, trimethyl-; trimethyl boronate; Trimethylborate; Borane,trimethyl; Expand
CAS No.	593-90-8
Molecular Formula	C3H9B
Molecular Weight	55.91460
PSA	0.00000
LogP	1.37060

Numbering system

EINECS number	209-816-3

Properties

Appearance & Physical State	colorless gas
Density	0.559 g/cm3
Boiling Point	20ºC at 760 mmHg
Melting Point	-161.5ºC
Refractive Index	1.311

Safety Info

Hazard Class	2.3
RIDADR	UN 3160
Risk Statements	R11
Hazard Codes	F; C
Hazard Declaration	H280; H314
Caution Statement	P280; P305 + P351 + P338; P310; P410 + P403
Signal Word	Danger
Symbol	GHS04, GHS05

Synthesis Route

Total 85 Documents >>

: 16924-34-8

: 593-90-8
Trimethylborane

: 1113-22-0
Ethyl(dimethyl)borane

Detail>>

Precursor

Total 75 Documents >>

: 75-16-1
Methylmagnesium bromide

: 823-96-1
Trimethylboroxine

: 856617-42-0
trimethyl-borane, compound with trimethylamine

: 75-24-1
Trimethylaluminium

More >>

Downstream Product

Total 34 Documents >>

: 21107-27-7
trimethyldiborane(6)

: 5158-50-9
bromo(dimethyl)borane

: 23777-55-1
λ<sup>1</sup>-boranyl(methyl)boron

: 16924-32-6
dimethylboranylboron

More >>

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593-90-8

C3H9B

Description

Basic Info

Chemical Name

Synonyms

CAS No.

Molecular Formula

Molecular Weight

PSA

LogP

Numbering system

Properties

Appearance & Physical State

Density

Boiling Point

Melting Point

Refractive Index

Safety Info

Hazard Class

RIDADR

Risk Statements

Hazard Codes

Hazard Declaration

Caution Statement

Signal Word

Symbol

Synthesis Route

Precursor

Downstream Product

Hangzhou J&H Chemical Co., Ltd.

Henan Coreychem Co.,Ltd

Saan Chemical Technology (Shanghai) Co., Ltd.

Heowns Biochem Technologies.LLC.TianJin

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