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4347-33-5

Name 5-Formyl-2-thiopheneboronic acid
CAS 4347-33-5
Molecular Formula C5H5BO3S
MDL Number MFCD02093666
Molecular Weight 155.97
MOL File 4347-33-5.mol
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Chemical Properties

Appearance White to orange powder
Melting point  132-135 °C (lit.)
Boiling point  395.1±52.0 °C(Predicted)
density  1.41±0.1 g/cm3(Predicted)
storage temp.  Keep Cold
form  Powder or Cyrstals
pka 7.23±0.53(Predicted)
color  White
Sensitive  Air Sensitive
CAS DataBase Reference 4347-33-5(CAS DataBase Reference)

Safety Data

Hazard Codes  Xi,C
Risk Statements 
R34:Causes burns.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S27:Take off immediately all contaminated clothing .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
WGK Germany  3
Hazard Note  Irritant
HazardClass  IRRITANT, KEEP COLD
HS Code  29339900

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