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Safety Information

776920

Sigma-Aldrich

Thiophene-2,5-diboronic acid bis(pinacol) ester

99% (GC)

Synonym(s):

2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene, 2,5-Thiophenediboronic acid bis(pinacol) ester

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About This Item

Empirical Formula (Hill Notation):
C16H26B2O4S
CAS Number:
175361-81-6
Molecular Weight:
336.06
UNSPSC Code:
12352103
NACRES:
NA.23

Assay

99% (GC)

form

powder

mp

227-231 °C

InChI

1S/C16H26B2O4S/c1-13(2)14(3,4)20-17(19-13)11-9-10-12(23-11)18-21-15(5,6)16(7,8)22-18/h9-10H,1-8H3

InChI key

AOJXAKMKFDBHHT-UHFFFAOYSA-N

Application

Diboronic acid ester thiophene monomer for polymerization by Suzuki coupling; used for OPV and OFET applications.

Hazard Statements

H413

Precautionary Statements

P273 - P501

Hazard Classifications

Aquatic Chronic 4

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKBN9318

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Lee; Joong Suk;
Chemistry of Materials, 24, 1316-1323 (2012)

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