Thiophene-2,5-diboronic acid

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Structural formula
Structural formula of thiophene-2,5-diboronic acid
General
Surname Thiophene-2,5-diboronic acid
Molecular formula C 4 H 6 B 2 O 4 S
Brief description

light green solid

External identifiers / databases
CAS number 26076-46-0
EC number 629-071-1
ECHA InfoCard 100.157.285
PubChem 2770906
Wikidata Q17326568
properties
Molar mass 171.78 g mol −1
Physical state

firmly

Melting point

250 ° C (decomposition)

safety instructions
GHS labeling of hazardous substances
07 - Warning

Caution

H and P phrases H: 319
P: 305 + 351 + 338
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Thiophene-2,5-diboronic acid is a chemical compound from the group of boronic acids . Like diphenyldiboronic acid , it is used as an effective crosslinker for guar gel in fracking solutions.

Individual evidence

  1. a b c d e data sheet 2,5-Thiophenediylbisboronic acid, ≥95.0% from Sigma-Aldrich , accessed on June 11, 2014 ( PDF ).
  2. ^ Johann Plank, Timon Echt: Chemicals for fracking . In: News from chemistry . tape 62 , no. 6 , June 2014, p. 607-611 , doi : 10.1002 / nadc.201490195 .