Assay 95.0 – 99.9 %
Iodometric, SO2 54.8 – 57.6 %
pH (5% in water) 3.0 – 4.5
Chloride (Cl) Max. 0.05 %
Heavy metals (as Pb) Max. 0.001 %
Copper (Cu) Max. 0.0025 %
Zinc (Zn) Max. 0.0025 %
Iron (Fe) Max. 0.002 %
Selenium (Se) Max. 0.0005 %
Arsenic (As) Max. 0.0002 %
Mercury (Hg) Max. 0.0001 %

CAS No.

16731-55-8

Molecular Formula

K2S2O5

Molecular Weight

222.31

HS Code

2832.2000

Symbol

GHS07

Signal Word

Warning

Hazardous Statement

H318

Precaution Statement

P280-P305+P351+P338-P310-EUH031

Packing

500 GM

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POTASSIUM METABISULFITE LR

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POTASSIUM METABISULFITE LR