2-Thienylboronic acid(contains varying amounts of Anhydride) , 98% , 6165-68-0

Synonym(s):
2-Thienylboric acid;2-Thienylboronic acid;Thien-5-ylboronic acid;Thiophene-2-boronic acid

CAS NO.：6165-68-0

Empirical Formula: C4H5BO2S

Molecular Weight: 127.95

MDL number: MFCD00151850

EINECS: 612-186-6

PRODUCT Properties

• Melting point: 138-140 °C (lit.)
• Boiling point: 287.9±32.0 °C(Predicted)
• Density: 1.32±0.1 g/cm3(Predicted)
• storage temp.: 2-8°C
• solubility: Soluble in methanol.
• pka: 8.41±0.53(Predicted)
• form: Powder
• color: Off-white to beige
• BRN: 112375
• Stability: store cold
• InChIKey: ARYHTUPFQTUBBG-UHFFFAOYSA-N
• CAS DataBase Reference: 6165-68-0(CAS DataBase Reference)

Description and Uses

2-Thiopheneboronic acid can be used as reagent used for Palladium-catalyzed Suzuki-Miyaura cross-couplings; Alkylation, boration, coupling reaction, Suzuki coupling, and halogenation of fluorenyl bromide ;Chain-growth catalyst transfer polycondensation of conjugated alternating copolymer; Ferric perchlorate-promoted reaction of fullerene to give fullerenyl boronic esters.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302-H315-H319-H335
• Precautionary statements: P261-P264-P270-P301+P312-P302+P352-P305+P351+P338
• Hazard Codes: Xn,Xi
• Risk Statements: 22-36/37/38
• Safety Statements: 26-36/37-37/39-36
• WGK Germany: 3
• Hazard Note: Harmful/Irritant/Keep Cold
• HazardClass: IRRITANT, IRRITANT-HARMFUL, KEEP COLD
• HS Code: 29339900