Merck 1065285000 Sodium disulfite (Na₂O₅S₂, Plastic bottle 5kg)

CAS #: 7681-57-4 

EC number: 231-673-0 

Hill Formula: Na₂O₅S₂

Molar Mass: 190.11 g/mol

Assay (iodometric): 98.0 - 100.5 %

Identity: passes test

Appearance of solution: passes test

pH-value (5 %; water): 3.5 - 5.0

Insoluble matter: ≤ 0.005 %

Chloride (Cl): ≤ 0.005 %

Thiosulfate (S₂O₃): ≤ 0.05 %

passes test

Heavy metals (as Pb): ≤ 0.001 %

As (Arsenic): ≤ 0.0001 %

Fe (Iron): ≤ 0.0005 %

Details

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