TRIBUTYLBORANE

Synonym(s):TBB;Tributylboron

CAS NO.：122-56-5
Empirical Formula: C12H27B
Molecular Weight: 182.15
MDL number: MFCD00009423
EINECS: 204-554-6
SAFETY DATA SHEET (SDS)
Update Date: 2023-04-23 13:52:06

What is TRIBUTYLBORANE?

Chemical properties

Colorless pyrophoric fluid. Insoluble in water; soluble in most organic solvents.

The Uses of TRIBUTYLBORANE

Tributylborane is a reducing agent used in the controlled radical polymerization of alkyl acrylates.

The Uses of TRIBUTYLBORANE

Petrochemical industry, organic reactions, catalyst.

Synthesis Reference(s)

The Journal of Organic Chemistry, 51, p. 427, 1986 DOI: 10.1021/jo00354a002
Tetrahedron Letters, 26, p. 4311, 1985 DOI: 10.1016/S0040-4039(00)98721-5

Hazard

Flammable, dangerous fire risk, store and use in inert atmosphere, ignites spontaneously in air.

Safety Profile

Poison by intravenous route. Moderately toxic by ingestion. A very dangerous fire hazard when exposed to heat or flame; can ignite spontaneously. When heated to decomposition it emits acrid smoke and irritating fumes. See also BORANES.

Properties of TRIBUTYLBORANE

Melting point:	-34 °C
Boiling point:	109 °C20 mm Hg(lit.)
Density	0.834 g/mL at 25 °C
refractive index	1.4285
Flash point:	1 °F
storage temp.	Flammables area
solubility	Benzene, Tetrahydrofuran
form	Solution
color	Clear colorless to light yellow
Water Solubility	Not miscible or difficult to mix with water.
Sensitive	Air Sensitive
Exposure limits	ACGIH: TWA 50 ppm; STEL 100 ppm (Skin) OSHA: TWA 200 ppm(590 mg/m3) NIOSH: IDLH 2000 ppm; TWA 200 ppm(590 mg/m3); STEL 250 ppm(735 mg/m3)
CAS DataBase Reference	122-56-5
EPA Substance Registry System	Borane, tributyl- (122-56-5)

Safety information for TRIBUTYLBORANE

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Corrosion Corrosives GHS05 Exclamation Mark Irritant GHS07
GHS Hazard Statements	H250:Pyrophoric liquids; Pyrorophoric solids H302:Acute toxicity,oral H314:Skin corrosion/irritation
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P231+P232:Handle under inert gas. Protect from moisture. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.