• 2-Butyne-1,4-diol

• Product Name
• 2-Butyne-1,4-diol

• CAS
• 110-65-6

• Molecular Formula
• C₄H₆O₂

• Molecular Weight
• 86.0892

• Molecular Structure
• 

• EINECS
• 203-788-6

• InChI
• InChI=1/C4H6O2/c1-2-3-4(5)6/h4-6H,1H3

• Melting Point
• 54-58℃

• Flash Point
• 78.3°C

• Vapor Pressure
• 0.38mmHg at 25°C

• Density
• 1.175g/cm3

• Safety Description
• S25:Avoid contact with eyes.
  S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
  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 the label whenever possible.)
  S46:If swallowed, seek medical advice immediately and show this container or label.
  

• Risk Description :
• R21:Harmful in contact with skin.
  R23/25:Toxic by inhalation and if swallowed.
  R34:Causes burns.
  R43:May cause sensitization by skin contact.
  R48/22:Harmful: danger of serious damage to health by prolonged exposure if swallowed.