Potassium Metabisulfit

Basic Information
Product: Potassium Metabisulfite
CAS No.: 16731-55-8
EINECS No.: 240-795-3
Formula: K2S2O5
Formula weight: 222.32
Product Information

Executive standad


Characteristics

Index

Appearance

White or light yellow powder

Content, %

Min 97.2%

PH

2.5-4.5

Melting point °C

190°C

Solubility in water

soluble


APPLICATION

Used in the preparation of photographic developer, production of pharmaceutical intermediates. Food bleaching agent, preservative, antioxidant; preservation of wine and juice; beer clarifier, preservation of fresh fruits and vegetables, meat and grapes. Cyanide-free silver plating.


Packaging & store

Package:25kg/bag

Storage: 5°C-30°C Sealed storage


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