SODIUM METABISULPHITE 97% AR-ACS

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SODIUM METABISULPHITE 97% AR-ACS Specification

Properties
Antioxidant reducing agent sulfur dioxide releasing agent

Appearance
White crystalline solid

Purity
97%

Molecular Formula
Na2S2O5

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

Molecular Weight
190.10 g/mol

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

Ingredients
Sodium sulfur oxygen components

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

CAS No
7681-57-4

Density
1.48 Gram per cubic centimeter(g/cm3)

Poisonous
Yes in large quantities or concentrated form

EINECS No
231-673-0

Taste
Slightly saline and sulfurous

HS Code
28321000

Physical Form
White crystalline powder or granules

Ph Level
4.0 to 4.6 (5% solution)

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

Shape
Granulated or powdered form

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

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

Smell
Pungent sulfur dioxide-like odor

Melting Point
150C (decomposes)

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

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.