Sodium bisulphite 39% aqueous solution zS, Sigma-Aldrich®

Supplier: Merck
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Synonyms: Sodium hydrogen sulphite

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8.06356.1000 8.06356.2500 8.06356.9025
8.06356.1000EA 32.7 GBP
8.06356.1000 8.06356.2500 8.06356.9025
Sodium bisulphite 39% aqueous solution zS, Sigma-Aldrich®
Sodium hydrogen sulphite
Formula: HNaO₃S
MW: 104.06 g/mol
Melting Pt: 300
MDL Number: MFCD00167602
CAS Number: 7631-90-5
EINECS: 231-548-0
UN: 2693
ADR: 8 III
Merck Index: 12,08731

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Specification Test Results

Solubility (20 °C) soluble
Melting Point -44 °C
Boiling Point 146 °C
Vapor Pressure 40 hPa (20 °C)
Density 1.34 g/cm3 (20 °C)
pH 4.5 (H2O, 20 °C)
Hazard Class 8
Hazard Class Description Corrosive material


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