Sodium Sulphite (Food Grade) 

Sodium Sulphite (Na₂SO₃) is a high-purity analytical reagent widely used in laboratories, chemical processing, and research applications. Sodium Sulphite meets stringent quality standards, making it suitable for precise analytical work, reagent preparation, and laboratory testing.

Specifications:
Purity: A.R. Grade – typically ≥ 99–100%
Appearance: White crystalline powder or granules
Odour: Odourless or slight sulphur dioxide smell
Solubility: Highly soluble in water; insoluble in alcohol
pH: Slightly alkaline (approx. 9–10 in 5% solution)
Sulphate (SO₄): Within A.R. permissible limits
Heavy Metals: Within analytical reagent limits
Iron (Fe): Trace levels within A.R. limits

Applications:

Laboratory & Analytical Use:
Preparation of standard solutions
Used as a reducing agent in chemical analysis
Oxygen scavenger in analytical procedures

Chemical Industry:
Used in manufacturing of paper and pulp (sulphite process)
Dechlorination agent in water treatment
Used in photographic and dye industries

Biological & Research Laboratories:
Used in sample preservation
Preparation of laboratory reagents and solutions

Educational Laboratories:
Commonly used in chemistry experiments and demonstrations

Storage:
Dry Environment: Store in a cool, dry place away from moisture.
Sealed Containers: Keep container tightly closed to prevent oxidation.
Avoid Air Exposure: Protect from air as it may oxidize to sulphate.
Label Clearly: Store with proper chemical identification.

Hazard Concerns:
Dust: May cause respiratory irritation if inhaled.
Eye Contact: May cause irritation.
Skin Contact: May cause mild irritation.
Ingestion: May cause gastrointestinal discomfort.
Decomposition: May release sulphur dioxide gas when exposed to acids or heat.

When handling Sodium Sulphite, use appropriate personal protective equipment such as gloves, safety goggles, and masks if necessary. Avoid inhalation of dust and contact with eyes.

Pack sizes available: 250g, 500 g & 1 kg

Facility with
Fast delivery
Tracking number
Bulk orders

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Anpros