SODIUM FORMALDEHYDE SULFOXYLATE HYDRATE 45% EXTRAPURE

Product Code B-02410 Grade EXTRAPURE
Purity 45 % Brand Bio-Chem
Molecular Formula CH3NaO3S.xH2O CAS No. 149-44-0
Molecular Weight 154.09 H.S.Code 2831.10200
Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White flakes
Melting point/ Freezing point [°C] 120 °C pH Value 9.5 - 10.5
Flash point [°C] > 100 °C Solubility in water [% weight] 50 g/l at 20 °C
Odour Odorless

Packaging

Specification

Appearance
White big flakes
Assay as SO2 (Iodometric on anhydrous substnace)
45 – 55%
Clarity and color of solution
Clear and colorless
Alkalinity
Passes test
pH (2% solution)
9.5 – 10.5
Sodium sulphite (Na2SO3)
Max 5%
Iron (Fe)
Max 0.001%
Sulphide (S)
Passes test
Loss on drying (at 105°C)
Max 27%

Safety Information and Hazard Symbols

Symbol: GHS08
Signal Word: Warning
Hazardous Statement: H341
Precaution Statement: P281

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