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Safety Information

647020

Sigma-Aldrich

2,2′-Bithiophene-5,5′-diboronic acid bis(pinacol) ester

97%

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About This Item

Empirical Formula (Hill Notation):
C20H28B2O4S2
CAS Number:
239075-02-6
Molecular Weight:
418.19
MDL number:
MFCD06798112
UNSPSC Code:
12352103
PubChem Substance ID:
24883504
NACRES:
NA.22

Assay

97%

form

solid

mp

208-212 °C (lit.)

SMILES string

CC1(C)OB(OC1(C)C)c2ccc(s2)-c3ccc(s3)B4OC(C)(C)C(C)(C)O4

InChI

1S/C20H28B2O4S2/c1-17(2)18(3,4)24-21(23-17)15-11-9-13(27-15)14-10-12-16(28-14)22-25-19(5,6)20(7,8)26-22/h9-12H,1-8H3

InChI key

XWWXVHGWYCXJCJ-UHFFFAOYSA-N

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

647020-VAR:
647020-BULK:
647020-1G:
647020-5G:

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Certificates of Analysis (COA)

Lot/Batch Number
14618BJ
05518JH
09610PE
07026JE
03123DC

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Taichi Ikeda et al.
Nanoscale, 8(30), 14673-14681 (2016-07-21)
Oligomers of tetra(ethylene glycol)-disubstituted phenyl-capped bithiophene (Ph2TPh) linked by catechol and resorcinol were prepared. Catechol and resorcinol link the monomers via the ortho- and meta-positions of the benzene ring, respectively, and function as turning points in the folding process of

Articles

Synthetic Strategy for Large Scale Production of Oligothiophenes

Oligothiophenes are important organic electronic materials which can be produced using synthetic intermediates and Suzuki coupling.

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