Potassium Metabisulfite, Crystal, Reagent

Dipotassium Pyrosulfite

 

Chemical Formula

K2S2O5

Molecular Weight

F.W. 222.33

CAS #

16731-55-8

 

Safety Information

Health Hazard

2

Fire Hazard

0

Reactivity

0

Material Safety Data Sheet

 

Test

Specification

Assay (Iodometric)Min. 96.0%
Equivalent SO2 ValueApprox. 54%
MAXIMUM LIMITS
Arsenic (As)0.0001%
Chloride (Cl)0.005%
Heavy Metals (as Pb)0.003%
Insoluble Matter0.005%
Iron (Fe)0.0005%

 

UPS limit

2.5 kg

Storage Information

AIR SENSITIVE, HEAT SENSITIVE: Keep tightly closed in a cool place.

Chemical information and descriptions have been provided by Spectrum Chemicals.

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 P1343-18   Potassium Metabisulfite, Crystal, Reagent - Potassium Metabisulfite, Crystal, Reagent - K2S2O5 - 12 KG P1343-18 $4,049.94
 P1343-07   Potassium Metabisulfite, Crystal, Reagent - Potassium Metabisulfite, Crystal, Reagent - K2S2O5 - 125 GM P1343-07 $238.76
 P1343-13   Potassium Metabisulfite, Crystal, Reagent - Potassium Metabisulfite, Crystal, Reagent - K2S2O5 - 2.5 KG P1343-13 $1,253.99
 P1343-10   Potassium Metabisulfite, Crystal, Reagent - Potassium Metabisulfite, Crystal, Reagent - K2S2O5 - 500 GM P1343-10 $465.10
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