• Sodium metabisulfite

• Product Name
• Sodium metabisulfite

• CAS
• 7681-57-4

• Molecular Formula
• Na₂O₅S₂

• Molecular Weight
• 190.1065

• Molecular Structure
• 

• EINECS
• 231-673-0

• InChI
• InChI=1/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2

• Melting Point
• 150℃

• Flash Point
• -

• Vapor Pressure
• -

• Density
• -

• Safety Description
• S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
  S39:Wear eye / face protection.
  S46:If swallowed, seek medical advice immediately and show this container or label.
  

• Risk Description :
• R22:Harmful if swallowed.
  R31:Contact with acids liberates toxic gas.
  R41:Risk of serious damage to the eyes.