Potassium Bisulphite (Powder/liquid)

Description

Potassium Bisulphite for Food, Industrial & Specialty Applications

Potassium Bisulphite is a reliable sulphur-based chemical compound known for its excellent preservative, antioxidant, reducing, oxygen-scavenging, and antimicrobial properties. It is widely used across food & beverage, winemaking, water purification, textile processing, photography, chemical manufacturing, and industrial applications.

This product is available in both powder and liquid solution forms to meet different application needs. Powder grades are suitable for dry chemical handling, food preservation, laboratory use, and industrial processes, while liquid solution grade is ideal for quick mixing, easy dosing, and direct process application.

Potassium Bisulphite helps prevent oxidation, maintain product freshness, stabilize solutions, remove dissolved oxygen, and support process efficiency. Its strong performance and flexible grade options make it a dependable chemical for industries requiring consistent quality and reliable results.

Available Grades

Potassium Bisulphite Powder Pure Grade
Potassium Bisulphite Powder Pure Grade is a white to slightly yellowish powder used in food preservation, beverage processing, winemaking, water treatment, and industrial applications. It offers good solubility, reliable antioxidant performance, and consistent quality for regular process needs.

Grade Details – Powder Pure Grade

Appearance: White to slight yellowish powder
Assay as KHSO₃: 98% Min
Solubility in 10% Solution: Soluble
pH: 4.0 to 5.0

Potassium Bisulphite Extra Pure Grade
Potassium Bisulphite Extra Pure Grade is a high-purity grade designed for laboratory, pharmaceutical, food & beverage, winemaking, and high-precision industrial applications. It is preferred where low impurity levels, consistency, and dependable performance are essential.

Grade Details – Extra Pure Grade

Chemical Name: Potassium Bisulphite
Chemical Formula: KHSO₃
Molecular Weight: 120.17 g/mol
CAS Number: 7773-03-7
Appearance: White to slightly yellow crystalline powder
Purity / Assay as KHSO₃: > 98.0%
SO₂ Content: 55 – 60%
pH 5% Solution: 4.0 – 5.5
Solubility: Freely soluble in water
Chloride (Cl): < 0.03%
Heavy Metals as Pb: < 5 ppm
Iron (Fe): < 10 ppm
Sulphate (SO₄²⁻): < 0.05%
Loss on Drying: < 2.0%

Potassium Bisulphite Solution
Potassium Bisulphite Solution is a pale yellow liquid solution designed for easy handling, fast mixing, and direct application. It is suitable for food preservation, wine processing, water purification, textile processing, photographic applications, and industrial use where liquid dosing is preferred.

Grade Details – Solution Grade

Appearance: Pale yellow colored solution
Assay: 16 to 17%
Purity: Min. 30–32% w/w
Specific Gravity: 1.225 to 1.245
pH: 4.5 to 5.5

Applications

Food & Beverage Preservation
Used as a preservative and antioxidant to help prevent oxidation, browning, microbial growth, and spoilage in selected food and beverage products.

Winemaking
Helps protect wine from oxidation, supports microbial control, and helps maintain product quality during processing and storage.

Water Treatment
Works as an oxygen scavenger and reducing agent, helping remove dissolved oxygen and support water purification processes.

Textile Industry
Used during bleaching and processing applications to support fabric quality and improve production efficiency.

Photography
Used as a photographic chemical to help stabilize solutions and prevent oxidation during processing.

Chemical Processing
Works as a reducing agent and stabilizing chemical in various industrial and specialty chemical applications.

Key Benefits

Available in Powder & Liquid Grades
Suitable for different handling, storage, dosing, and process requirements.

Strong Preservative Properties
Helps protect selected food and beverage products from spoilage and oxidation.

Effective Antioxidant
Supports product stability by reducing oxidation and maintaining freshness.

Reliable Reducing Agent
Useful in textile processing, photography, chemical processing, and industrial applications.

Good Solubility
Powder grades dissolve well in water, while liquid grade allows direct and convenient application.

Multiple Grade Options
Available in pure grade, extra pure grade, and liquid solution form to match different industry needs.

Consistent Quality
Manufactured and supplied with focus on purity, stability, safety, and dependable performance.

Why Choose Potassium Bisulphite?

Potassium Bisulphite is preferred by industries because of its wide application range, stable performance, and availability in different grades. Whether used as a preservative, antioxidant, oxygen scavenger, reducing agent, or process chemical, it delivers reliable results across food, beverage, winemaking, water treatment, textile, photography, and industrial sectors.

With powder and liquid solution options, Potassium Bisulphite provides flexibility for different process requirements while ensuring quality, solubility, and dependable performance.