4-Bromo-2-thiophenecarboxylic acid Structure

4-Bromo-2-thiophenecarboxylic acid

Chemical Properties

Melting point 121 °C
Boiling point 323.7±27.0 °C(Predicted)
Density  1.923±0.06 g/cm3(Predicted)
storage temp.  under inert gas (nitrogen or Argon) at 2–8 °C
form  powder to crystal
pka 3.50±0.10(Predicted)
color  White to Light yellow
λmax 245nm(EtOH)(lit.)
InChI InChI=1S/C5H3BrO2S/c6-3-1-4(5(7)8)9-2-3/h1-2H,(H,7,8)
InChIKey HJZFPRVFLBBAMU-UHFFFAOYSA-N
SMILES C1(C(O)=O)SC=C(Br)C=1
CAS DataBase Reference 16694-18-1(CAS DataBase Reference)

Safety

Symbol(GHS) Exclamation Mark (GHS07)
Signal wordWarning
Hazard statements H315-H319
Precautionary statements P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Hazard Codes  Xi,Xn
Risk Statements  20/21/22-36/37/38
Safety Statements  22-26-36/37/39-37/39
HazardClass  IRRITANT
HS Code  29349990
NFPA 704:
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