SODIUM METABISULPHITE 97% AR-ACS

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SODIUM METABISULPHITE 97% AR-ACS Specification

Physical Form
White crystalline powder or granules

Ph Level
4.0 to 4.6 (5% solution)

EINECS No
231-673-0

Solubility
Soluble in water (450 g/L at 20C) slightly soluble in ethanol

CAS No
7681-57-4

HS Code
28321000

Ingredients
Sodium sulfur oxygen components

Usage
Preservation of foods and beverages sterilization and cleansing in various processes and as a reducing agent in chemical reactions

Properties
Antioxidant reducing agent sulfur dioxide releasing agent

Grade
AR (Analytical Reagent) ACS (American Chemical Society)

Poisonous
Yes in large quantities or concentrated form

Melting Point
150C (decomposes)

Shelf Life
12-24 months if stored properly in sealed containers

Appearance
White crystalline solid

Density
1.48 Gram per cubic centimeter(g/cm3)

Taste
Slightly saline and sulfurous

Molecular Weight
190.10 g/mol

Smell
Pungent sulfur dioxide-like odor

Shape
Granulated or powdered form

Molecular Formula
Na2S2O5

Storage
Store in a cool dry and well-ventilated area away from oxidizing agents acids and moisture

Application
Used as a food preservative antioxidant water treatment chemical and laboratory reagent

Purity
97%

Structural Formula
O=S(=O)[O-].O=S(=O)[O-].[Na+].[Na+]

About SODIUM METABISULPHITE 97% AR-ACS

Sodium Metabisulphite 97% AR-ACS is a white crystalline powder or granules with a slightly saline and sulfurous taste. It is widely used as a food preservative, antioxidant, water treatment chemical, and laboratory reagent. This compound releases sulfur dioxide and acts as an antioxidant and reducing agent in various chemical reactions. With a purity of 97%, it is soluble in water and slightly in ethanol. Stored properly, it has a shelf life of 12-24 months. Its applications include food and beverage preservation, sterilization, and cleansing processes.