Sodium sulphite, EMSURE® Reag. Ph. Eur. for analysis, Supelco®

Supplier: Merck


M-Clarity™ quality level = MQ300

1.06657.0500 1.06657.1000 1.06657.5000 1.06657.9050
1.06657.0500EA 33.2 GBP
1.06657.0500 1.06657.1000 1.06657.5000 1.06657.9050
Sodium sulphite, EMSURE® Reag. Ph. Eur. for analysis, Supelco®
Sodium sulphite
Formula: Na₂SO₃
MW: 126,04 g/mol
Melting Pt: > 500 °C
Density: 2,63 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003503
CAS Number: 7757-83-7
EINECS: 231-821-4
REACH: 01-2119537420-49
Merck Index: 13,08757

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Specification Test Results

Solubility 220 g/l (20 °C)
Melting Point 500 °C (decomposition)
Molar Mass 126.04 g/mol
Bulk Density 1480 kg/m3
Density 2.63 g/cm3 (20 °C)
pH 8.8 - 10 (50 g/l, H2O, 20 °C)

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