2,5-Thiophenediylbisboronic acid(contains varying amounts of Anhydride)

Modify Date: 2024-01-05 18:54:23

2,5-Thiophenediylbisboronic acid(contains varying amounts of Anhydride) Structure
2,5-Thiophenediylbisboronic acid(contains varying amounts of Anhydride) structure
Common Name 2,5-Thiophenediylbisboronic acid(contains varying amounts of Anhydride)
CAS Number 26076-46-0 Molecular Weight 171.77500
Density 1.5g/cm3 Boiling Point 490.1ºC at 760 mmHg
Molecular Formula C4H6B2O4S Melting Point 250 °C (dec.)(lit.)
MSDS Chinese USA Flash Point 250.2ºC
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name 2,5-Thiophenediboronic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5g/cm3
Boiling Point 490.1ºC at 760 mmHg
Melting Point 250 °C (dec.)(lit.)
Molecular Formula C4H6B2O4S
Molecular Weight 171.77500
Flash Point 250.2ºC
Exact Mass 172.01700
PSA 109.16000
Vapour Pressure 2.02E-10mmHg at 25°C
Index of Refraction 1.58

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi: Irritant;
Risk Phrases R36
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2934999090

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

MFCD01114699
(5-boronothiophen-2-yl)boronic acid