Sodium Sulphite (Powder/Liquid)

Description

Sodium Sulphite for Industrial & Specialty Applications

Sodium Sulphite is a versatile chemical compound used across various industries for its excellent reducing, oxygen-scavenging, and dechlorination properties. It is commonly used in water treatment, textiles, photography, pulp & paper, food preservative applications, and industrial processing.

This product is available in both powder and liquid grades to meet different application requirements. The powder grade is suitable for applications where dry chemical handling, storage stability, and controlled dosing are required, while the liquid grade is ideal for easy handling, quick mixing, and direct process application.

Sodium Sulphite helps remove dissolved oxygen from water-based systems, prevents oxidation, supports boiler water treatment, and improves process efficiency. It is also used in photographic processing, textile applications, organic synthesis, and as a preservative in selected industrial and food-related processes.

With consistent quality, reliable solubility, and dependable performance, Sodium Sulphite is suitable for customers looking for stable chemical solutions for domestic and export requirements.

Available Grades

Sodium Sulphite Powder Grade
Sodium Sulphite Powder Grade is a white crystalline powder known for its purity, solubility, and stable performance. It is widely used in water treatment, pulp & paper, textiles, photography, and industrial applications where dry chemical dosing is preferred.

Grade Details – Powder Grade

Appearance: White crystalline powder
Assay as Na₂SO₃: Minimum 94%
pH: 9.6 – 10.5
Insoluble Matter: Nil
Free Alkali: 0.04% Max.
Water Solubility: Completely soluble

Sodium Sulphite Liquid Grade
Sodium Sulphite Liquid Grade is a clear to slightly hazy colorless solution designed for applications requiring easy handling and quick process use. It is suitable for water treatment, oxygen removal, dechlorination, and industrial chemical processing.

Grade Details – Liquid Grade

Chemical Name: Sodium Sulphite
Chemical Formula: Na₂SO₃
CAS Number: 7757-83-7
Appearance: Clear to slightly hazy colorless solution
Assay as Na₂SO₃: 20–30% (w/w) or as per customer requirement
SO₂ Content: Approx. 13–19% (w/w)
pH (10% Solution): 9.0 – 10.5
Specific Gravity (@25°C): 1.20 – 1.35
Solubility: Completely soluble in water
Iron (Fe): < 10 ppm

Applications

Water Treatment
Used as an oxygen scavenger to remove dissolved oxygen and help prevent corrosion in water systems and boiler applications.

Dechlorination
Helps remove excess chlorine from water treatment and industrial processes.

Pulp & Paper Industry
Used in lignin breakdown and to support brightness and process stability in sulphite pulping.

Textile Industry
Supports textile processing as a bleaching agent and reducing agent.

Photography & X-Ray Processing
Used in photographic and X-ray development applications to prevent oxidation and improve solution stability.

Food Preservative Applications
Used in selected preservative applications where oxidation control and stability are required.

Industrial Processing
Suitable for chemical synthesis, oxygen removal, oxidation control, and other process-based industrial uses.

Key Benefits

Excellent Oxygen Scavenger
Helps remove dissolved oxygen from water-based systems and supports corrosion control.

High Solubility
Completely soluble in water, making it easy to use in various applications.

Available in Powder & Liquid Grades
Offers flexibility for different handling, dosing, and process requirements.

Stable Performance
Supports reliable results in industrial, water treatment, and chemical processing applications.

Suitable for Multiple Industries
Used in textiles, photography, pulp & paper, water treatment, food preservative, and industrial sectors.

Consistent Quality
Manufactured and supplied with focus on purity, performance, and reliable product standards.

Why Choose Sodium Sulphite?

Sodium Sulphite is preferred by industries because of its strong performance in oxygen removal, dechlorination, oxidation control, and process stabilization. Its availability in both powder and liquid forms makes it suitable for a wide range of applications, from dry chemical dosing to direct liquid process use.

With reliable product quality, flexible grade options, and dependable industrial performance, Sodium Sulphite is a practical choice for companies looking for efficient chemical solutions for domestic and international markets.