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Na2S·9H2O
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Formula
Na2S·9H2O
Formula Weight
240.18 a.m.u.
Nomenclature
IUPAC
Disodium sulfide nonahydrate
Stock
Sodium sulfide nonahydrate
Traditional
Sodic sulfide nonahydrate
Type
binary salt
Chemical signs
Risks
  • R31 - Contact with acids liberates toxic gas.
  • R34 - Causes burns.
  • R50 - Very toxic to aquatic organisms.
  • Safeties
  • S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
  • S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
  • S61 - Avoid release to the environment. Refer to special instructions / safety data sheets.