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90795

Sigma-Aldrich

Tributyl borate

≥99.0% (T)

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Synonym(s):
Boric acid tributylester, Tributoxyborane
Linear Formula:
[CH3(CH2)3O]3B
CAS Number:
688-74-4
Molecular Weight:
230.15
Beilstein:
1703865
EC Number:
211-706-5
MDL number:
MFCD00009434
UNSPSC Code:
12352103
PubChem Substance ID:
57653407
NACRES:
NA.22

vapor density

7.95 (vs air)

Quality Level

100

Assay

≥99.0% (T)

form

liquid

refractive index

n20/D 1.409 (lit.)
n20/D 1.409

bp

114-115 °C/12 mmHg (lit.)
230-235 °C (lit.)

mp

−70 °C (lit.)

density

0.853 g/mL at 25 °C (lit.)

SMILES string

CCCCOB(OCCCC)OCCCC

InChI

1S/C12H27BO3/c1-4-7-10-14-13(15-11-8-5-2)16-12-9-6-3/h4-12H2,1-3H3

InChI key

LGQXXHMEBUOXRP-UHFFFAOYSA-N

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General description

Tributyl borate is an organoboron compound, that is often used as a reagent in organic synthesis for the preparation of various boronic acid derivatives, which are widely used in Suzuki coupling reactions in the synthesis of biaryls and other organic molecules. It is also used as a catalyst in a range of organic reactions, including the transesterification of esters and Biginelli reactions.

Application

Tributyl borate can be used as:    
  • A catalyst in the synthesis of dihydropyrimidinone derivatives via the Biginelli reaction.   
  • A boron oxide source to prepare carbon nanotube-B2O3 nanocomposite by solvothermal method.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

158.0 °F

Flash Point(C)

70 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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