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Merck
CN

90795

Tributyl borate

≥99.0% (T)

Synonym(s):

Boric acid tributylester, Tributoxyborane

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About This Item

Linear Formula:
[CH3(CH2)3O]3B
CAS Number:
688-74-4
Molecular Weight:
230.15
UNSPSC Code:
12352103
NACRES:
NA.22
PubChem Substance ID:
57653407
EC Number:
211-706-5
Beilstein/REAXYS Number:
1703865
MDL number:
MFCD00009434
Assay:
≥99.0% (T)
Form:
liquid

Key Documents

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InChI key

LGQXXHMEBUOXRP-UHFFFAOYSA-N

InChI

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

SMILES string

CCCCOB(OCCCC)OCCCC

vapor density

7.95 (vs air)

assay

≥99.0% (T)

form

liquid

Quality Level

100

bp

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

mp

−70 °C (lit.)

density

0.853 g/mL at 25 °C (lit.)

Related Categories

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

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

158.0 °F - closed cup

flash_point_c

70 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB3883
STBL1493
BCCH4794
BCCG6580
BCCD9460

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