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Sodium Metabisulfite – European

Product Information

Product Name Sodium Metabisulfite – European CAS number 7681-57-4
Molecular Weight 190.11 Molecular Formula Na2S2O5

Specifications

Appearance White, coarse-grain, crystalline
SO2 content 66.02 % min.
S2O3 -2 (Sod.Thiosulphate) 0.02 % max.
Iron content (Fe) 5 ppm max.
Chloride content (Cl–) 0.5 ppm max.
Cadmium content (Cd) 50 ppb max.
Insoluble matters in water none
Mercury content (Hg) 0.1 ppm max.
SMBS content 98 % min.
Na2SO3 (Sod.Sulphite) 1.5 % max.
Na2SO4 (Sod.Sulphate) 2 % max.
Heavy metals (as Pb) 10 ppm max.
Lead content (Pb) 0.5 ppm max.
Selenium content (Se) 0.5 ppm max.
pH value (10% water solution) 4.0 – 4.5
PACKING OPTIONS 25 kg bags (Other packing options are available upon request)

Packing Options

50 lb net bags (Other packing options are available upon request)

The information set forth herein is offered as a service to our customers and is not intended to relieve a customer from their responsibility to determine the suitability of this information or of the materials described herein for purchaser’s purposes, to investigate other sources of information, to comply with all laws and procedures regarding safe use of these materials; and to use these materials in a safe manner. No warranty is made of the merchantability or fitness of any product, and nothing herein waives any of the Seller’s conditions of sale.

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