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197335

Sigma-Aldrich

Triisopropyl borate

≥98%

Synonym(s):

Boric acid triisopropyl ester, Boron isopropoxide, Triisopropoxyborane

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About This Item

Linear Formula:
[(CH3)2CHO]3B
CAS Number:
5419-55-6
Molecular Weight:
188.07
Beilstein:
1701469
EC Number:
226-529-9
MDL number:
MFCD00008872
UNSPSC Code:
12352103
PubChem Substance ID:
24851823
NACRES:
NA.22

vapor pressure

76 mmHg ( 75 °C)

Assay

≥98%

form

liquid

impurities

1% isopropanol

refractive index

n20/D 1.376 (lit.)

bp

139-141 °C (lit.)

density

0.815 g/mL at 25 °C (lit.)

SMILES string

CC(C)OB(OC(C)C)OC(C)C

InChI

1S/C9H21BO3/c1-7(2)11-10(12-8(3)4)13-9(5)6/h7-9H,1-6H3

InChI key

NHDIQVFFNDKAQU-UHFFFAOYSA-N

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General description

Trialkyl borate with good thermal properties.

Application

Reagent used to ortho-borylate 1-substituted naphthalenes for Pd-catalyzed coupling with aryl halides.

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H225

Hazard Classifications

Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

62.6 °F - closed cup

Flash Point(C)

17 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SHBN4807
SHBL4792
SHBB8729V
SHBB8728V
SHBB2938V

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Synthesis, 3478-3478 (2006)
Tetrahedron, 60, 4887-4893 (2004)
Yongtai Zheng et al.
Nature communications, 8(1), 100-100 (2017-07-26)
Photochromic molecules have shown much promise as molecular components of stimuli-responsive materials, but despite recent achievements in various photoresponsive materials, quantitative conversion in photochemical reactions in solids is hampered by the lack of intrinsic structural flexibility available to release stress

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