Sodium hydroxymethanesulphinate dihydrate ≥97.0% stabilised for synthesis, Sigma-Aldrich®

Supplier: Merck
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Synonyms: Sodium hydroxymethanesulphinate dihydrate(Chunks or pellets), Hydroxymethanesulphinic acid sodium salt dihydrate, Formaldehyde sodium sulphoxylate dihydrate, Sodium formaldehydesulphoxylate hydrate, Rongalite dihydrate, Sodium formaldehydesulphoxylate dihydrate

Stabilisation: Stabilised with sodium carbonate (Na₂CO₃)
M-Clarity™ quality level = MQ200

8.06455.0100 8.06455.1000 8.06455.5000 8.06455.9050 8.06455.9025
8.06455.0100EA 25.8 GBP
8.06455.0100 8.06455.1000 8.06455.5000 8.06455.9050 8.06455.9025
Sodium hydroxymethanesulphinate dihydrate ≥97.0% stabilised for synthesis, Sigma-Aldrich®
Sodium hydroxymethanesulphinate dihydrate

This material contains approx. 5% sulfit resulting from the production process

Formula: CH₃NaO₃S·2H₂O
MW: 154,12 g/mol
Melting Pt: 63 °C
Density: 1,8 g/cm3 (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00150598
CAS Number: 6035-47-8
EINECS: 205-739-4

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Specification Test Results

Assay (iodometric, calc. as dihydrate) ≥ 97.0 %
Iron (Fe) ≤ 0.003 %
Identity (IR) passes test

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