SODIUM FORMALDEHYDE SULFOXYLATE HYDRATE 45% EXTRAPURE

Product CodeB-02410GradeEXTRAPURE
Purity45 %BrandBio-Chem
Molecular FormulaCH3NaO3S.xH2OCAS No.149-44-0
Molecular Weight154.09H.S.Code2831.10200
Shelf Life60 Months

Physical Properties

Physical state at 20 °CSolidColourWhite flakes
Melting point/ Freezing point [°C]120 °CpH Value9.5 - 10.5
Flash point [°C]> 100 °CSolubility in water [% weight]50 g/l at 20 °C
OdourOdorless

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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