Talk to us

08045479705

GST : 27LVGPS6017M1ZR

Send Inquiry

Request To Call Back

Sodium Metabisulphite

Get a Price/Quote

Sodium Metabisulphite Specification

Structural Formula
Na2S2O5

Other Names
Disodium pyrosulphite, Sodium pyrosulphite

Molecular Weight
190.1 g/mol

Form
Solid powder / crystalline solid

Solubility
Soluble in water, glycerin, and slightly soluble in alcohol

Smell
Sulphurous, strong odor

Storage
Keep container tightly closed and store in a cool, dry, and well-ventilated area. Protect from moisture and direct sunlight.

Boiling point
Decomposes before boiling

Poisonous
Yes

Density
1.48 Gram per cubic centimeter(g/cm3)

Melting Point
170 C (decomposes)

Ph Level
4.0 - 4.6 (1% solution)

Purity
96% Min, up to 99% depending on grade

Shape
Crystalline powder

Taste
Acrid, saline

Molecular Formula
Na2S2O5

HS Code
28321010

Classification
Sulphite Compound

Chemical Name
Sodium Metabisulphite

CAS No
7681-57-4

EINECS No
231-673-0

Grade
Food Grade / Industrial Grade

Standard
Conforms to GB1893-2008 or as per customer requirement

Type
Inorganic Salt

Usage
Used as an antioxidant, preservative, and disinfectant, and as a reducing agent in various industrial processes

Main Material
Sodium hydro sulphite (mainly derived from sodium bisulfite)

Application
Photographic, water treatment, food preservatives, textile, and chemical industries

Decomposition Temperature
>150 °C (releases SO2)

Appearance
White to slight yellow crystalline powder

Odor Threshold
0.2 ppm (SO2)

Stability
Stable under ordinary conditions, but decomposes in acidic conditions releasing SO2

Packaging
25 kg, 50 kg plastic woven bags with inner PE liner or as per customer requirement

Toxicity
May cause sensitization by inhalation and skin contact

Iron Content
20 ppm max

Shelf Life
12 months under recommended storage

Sodium Metabisulphite Trade Information

Main Export Market(s)
South America, Middle East, Africa

About Sodium Metabisulphite

Sodium Metabisulphite, a venerable inorganic salt with the ace molecular structure Na2S2O5, is a select compound marvelously recognized for its versatility. Appearing as a white to slight yellow crystalline powder, its ephemeral freshness is maintained through stable packaging in 25 kg or 50 kg plastic woven bags. In demand across industries, this substance excels as an antioxidant, preservative, disinfectant, and reducing agent. Its purity reaches up to 99%, conforming to stringent standards. Handle with care due to its strong, sulphurous odor and potential toxicity, ensuring its shelf life of 12 months.

Direction Of Use and Application Type

Sodium Metabisulphite is primarily used as an antioxidant and preservative in food processing, and as a disinfectant or reducing agent in industrial processes. Directions involve carefully dissolving in water or suitable solvents, ensuring protective measures are in place due to its acrid taste and strong odor. The use type ranges from food-grade to industrial-grade, making it invaluable for water treatment, chemicals manufacturing, textiles, and photographic processing.

Payment, Delivery, and Packaging Details

For Sodium Metabisulphite, list price arrangements are straightforward with options for advance payments. Handover of goods is efficient, as stock is ready for dispatch. Standard packaging includes durable 25 kg or 50 kg plastic woven bags with inner PE liners, tailored to customer requirements. Delivery times are prompt, ensuring the product reaches users swiftly, with packaging and logistics designed to maintain freshness and stability throughout transit.

FAQs of Sodium Metabisulphite:

Q: How should Sodium Metabisulphite be stored to maintain its shelf life?

A: Sodium Metabisulphite should be stored in a tightly closed container in a cool, dry, and well-ventilated area. It should be protected from moisture and direct sunlight to maintain its shelf life of 12 months.

Q: What is the main usage of Sodium Metabisulphite in industry?

A: Sodium Metabisulphite is extensively used as an antioxidant and preservative in food processing, and as a reducing agent and disinfectant in water treatment, chemicals, textiles, and photographic industries.

Q: Where can I purchase Sodium Metabisulphite with ready stock and custom packaging in India?

A: Sodium Metabisulphite is available from reputed dealers, exporters, manufacturers, producers, retailers, and suppliers in India with options for ready stock and customizable packaging to suit customer requirements.

Q: When does Sodium Metabisulphite decompose and what are the implications?

A: Sodium Metabisulphite decomposes above 150C, releasing SO2 gas, especially under acidic conditions. Care must be taken during handling and processing to mitigate safety concerns and maintain product integrity.

Q: What benefits does Sodium Metabisulphite offer as a food preservative?

A: As a food preservative, Sodium Metabisulphite helps prevent spoilage and microbial growth, prolongs shelf life, and maintains the quality of food products due to its antioxidant and antimicrobial properties.

Q: How is Sodium Metabisulphite packaged for delivery?

A: The product is packaged in 25 kg or 50 kg plastic woven bags with an inner PE liner, ensuring protection against moisture and contamination during storage and transit. Custom packaging solutions are available based on customer needs.

Tell us about your requirement