Sodium metabisulfite

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Revision as of 22:39, 2 December 2024 by Admin (talk | contribs) (Created page with "{{Compound|chemf=Na2S2O5|group=salts |mm=190.107|density=1.48|mp=150(decomp)|bp=|sol_aq=653 |stp_p=powder|stp_q=white to yellow|nfpa_h=2|nfpa_r=1 }} ==Uses== ===Other=== * Medical excipient preventing oxidation of epinephrine * Simple source of sulfur dioxide * Sanitizer ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== ==Production== ===Synthesis=== * Sodium metabisulfite can be prepared by evaporating a solution of sodium bisulfite s...")

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Sodium metabisulfite
Chemical formula	Na₂S₂O₅
OTP appearance	white to yellow powder
Molar Mass(g/mol)	190.107
Density(g/cc)	1.48
Melting Point(°C)	150(decomp)
Solubility in water(g/L)	653
NFPA 704	0 2 1

Uses

Other

Medical excipient preventing oxidation of epinephrine
Simple source of sulfur dioxide
Sanitizer

Natural occurrence

Does not occur naturally

Hazards

Production

Synthesis

Sodium metabisulfite can be prepared by evaporating a solution of sodium bisulfite saturated with sulfur dioxide which leaves solid sodium metabisulfite behind.^[1]
2 NaHSO₃ + SO₂ → Na₂S₂O₅ + H₂O

Testing

Purification

Storage

Disposal

See Also

US patent 5753200
Link courtesy Google

References

↑ Housecroft, Catherine E.; Sharpe, Alan G. (2008) "Inorganic Chemistry, 3rd Edition".
Pearson
ISBN: 978-0-13-175553-6

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