Sodium Sulphate Overview

Sodium Sulphate is a versatile inorganic salt widely used in pharmaceutical, food, laboratory, and industrial applications. It serves as a formulation ingredient, processing aid, and raw material in a variety of manufacturing processes. Chemignition Laboratory, a GMP-compliant and ISO 9001-certified manufacturer, produces high-quality Sodium Sulphate that meets stringent quality standards for pharmaceutical, food, and industrial applications.

Key Properties of Sodium Sulphate

Parameter Details
Product Name Sodium Sulphate Anhydrous
Synonyms Sodium Sulfate, Anhydrous Sodium Sulphate, Disodium Sulphate
CAS No. 7757-82-6
Chemical Formula Na₂SO₄
Grade IEP / USP
Appearance White or almost white powder; hygroscopic.
Molar Mass 142.04 g/mol
Solubility Freely soluble in water; practically insoluble in ethanol

Sodium Sulphate Manufacturing process

Sodium Sulphate is manufactured through a controlled process to ensure high purity, consistent quality, and compliance with pharmaceutical and industrial standards.

Step 1: Raw Material Selection

High-quality sodium and sulphate raw materials are carefully selected and tested to ensure they meet the required quality specifications.

Step 2: Preparation of Solution

The raw materials are dissolved in purified water to prepare a clear reaction solution under controlled conditions.

Step 3: Controlled Reaction

The reactants are combined under controlled temperature, pH, and agitation to form Sodium Sulphate. The reaction is continuously monitored to ensure complete conversion.

Step 4: Purification

The reaction mixture is purified to remove unreacted materials and process-related impurities, ensuring a high-purity product.

Step 5: Concentration

The purified solution is concentrated by controlled evaporation to achieve the required concentration for crystal formation.

Step 6: Crystallization

The concentrated solution is cooled under controlled conditions, allowing Sodium Sulphate crystals to form with the desired purity and particle characteristics.

Step 7: Filtration

The crystals are separated from the mother liquor using suitable filtration equipment and washed to remove residual impurities.

Step 8: Drying

The filtered Sodium Sulphate crystals are dried under controlled temperature conditions until the required moisture content is achieved. The dried product is then ready for milling, quality testing, and packaging.

Sodium Sulphate Applications

Pharmaceutical Applications

Pharmaceutical Excipient and Processing

Suitable pharmaceutical grades of Sodium Sulphate may be used in selected pharmaceutical formulations and manufacturing processes where a sodium or sulphate source is required.

Formulation and Process Applications

Sodium Sulphate may be used in specific pharmaceutical processing applications depending on the formulation, required purity and applicable pharmacopoeial requirements.

Osmotic and Bowel-Cleansing Formulations

Suitable pharmaceutical grades of Sodium Sulphate are used as components of certain osmotic laxative and bowel-preparation formulations, often in combination with other salts. Finished medicinal products must meet applicable regulatory requirements.

Detergent and Cleaning Applications

Detergent Powder Manufacturing

Anhydrous Sodium Sulphate is widely used in powdered laundry detergents and related cleaning products, primarily as a filler or processing aid.

Powder Flow and Formulation

It can help provide the required bulk characteristics and support consistent formulation and handling of powdered detergent products.

Industrial Cleaning Products

Suitable industrial grades may also be incorporated into selected powdered cleaning and specialty detergent formulations.

Glass Manufacturing Applications

Glass Production

Sodium Sulphate is used in selected glass-manufacturing processes as a fining and refining agent, helping remove small gas bubbles from molten glass.

Flat and Container Glass

It may be used in suitable formulations for flat, container and other glass products depending on the manufacturing process and glass composition.

Specialty Glass

Sodium Sulphate may also serve as a process additive in selected specialty glass formulations.

Textile and Dyeing Applications

Textile Dyeing

Sodium Sulphate is widely used in textile processing, particularly during the dyeing of cotton and other cellulosic fibers with selected classes of dyes.

Dye Exhaustion and Colour Uniformity

It helps control dye uptake and can promote more uniform dyeing under appropriate processing conditions.

Textile Processing

Suitable industrial grades may be used in other textile wet-processing operations where sodium sulphate provides the required ionic strength or process functionality.

Pulp and Paper Applications

Kraft Pulp Manufacturing

Sodium Sulphate has traditionally been used as a make-up chemical in the Kraft pulping process, where it is converted within the chemical-recovery cycle to active sulphide-containing cooking chemicals.

Paper Manufacturing Processes

It may also be used in selected pulp and paper manufacturing operations depending on the mill process and chemical-recovery system.

Chemical and Industrial Applications

Manufacture of Sodium Compounds

Sodium Sulphate may serve as a raw material or process chemical in the manufacture of selected sodium-containing compounds and specialty chemicals.

Chemical Processing

It is used in various industrial processes where a stable, water-soluble source of sodium and sulphate ions is required.

Process and Formulation Aid

Suitable grades may be used as a filler, processing aid or formulation component in selected industrial products.

Laboratory and Research Applications

Laboratory Reagent

Reagent-grade Sodium Sulphate is used in chemical analysis, solution preparation, research and other laboratory procedures.

Drying Agent in Organic Chemistry

Anhydrous Sodium Sulphate is widely used as a drying agent in organic chemistry laboratories to remove residual water from organic solvents and liquid samples.

Analytical and Sample Preparation

It may also be used in selected analytical and sample-preparation procedures where moisture removal or a sulphate-containing reagent is required.

Thermal Energy and Specialty Applications

Glauber’s Salt Applications

Sodium Sulphate Decahydrate (Glauber’s Salt) has been investigated and used in selected thermal-energy-storage applications because of its phase-change characteristics.

Specialty Industrial Formulations

Different forms of Sodium Sulphate may be used in specialized industrial formulations where their hydration behavior, solubility or physical characteristics provide the required functionality.

Sodium Sulphate Specifications

Sodium Sulphate USP Specification

Download Icon Download Sodium Sulphate USP Specification
Sr. No. Test Specification
1 Description White or almost white powder; hygroscopic.
2 Solubility Freely soluble in water.
3 Identification by Sulphate It gives reaction of Sulphate.
4 Identification by Sodium It gives reaction of Sodium.
5 Acidity or Alkalinity Passes the test.
6 Chlorides Not more than 0.02%
8 Loss on Drying Not more than 0.5%
9 Assay (On dried basis) Not less than 99.00% and not more than 100.50%

Sodium Sulphate EP Specification

Download Icon Download Sodium Sulphate EP Specification
Sr. No. Test Specification
1 Description White or almost white powder; hygroscopic.
2 Solubility Freely soluble in water.
3 Identification by Sulphate It gives reaction of Sulphate.
4 Identification by Sodium It gives reaction of Sodium.
5 Appearance of Solution Solution is clear and colourless.
6 Acidity or Alkalinity Passes the test
8 Chlorides Not more than 450 ppm
9 Calcium* Not more than 450 ppm
10 Iron* Not more than 90 ppm
11 Magnesium* Not more than 200 ppm
12 Loss on Drying Not more than 0.5%
13 Assay (On dried substance) Not less than 9.50% and not more than 101.00%
*Calcium, Iron and Magnesium limits apply when Sodium Sulfate Anhydrous is intended for use in the manufacture of parenteral preparations
Note: Additional test to be carried out as per customer requirements.

Sodium Sulphate Packing and Storage condition

Packing:
Packed in 25 kg / 50 kg HDPE bags with inner liner.
Available in fiber drums or customized packaging as per customer requirements.
Tamper-proof and moisture-resistant packaging ensures product stability.

Storage:
Store in a cool, dry, and well-ventilated area away from moisture.
Keep the container tightly closed to prevent contamination.
Avoid exposure to direct sunlight and incompatible materials (such as strong acids).
Recommended storage temperature: Below 30°C.

Sodium Sulphate MSDS/SDS

Why Choose Chemignition for
Sodium Sulphate Supply?

Quality Assurance

Grade Compliance

Sodium Sulphate is manufactured in adherence to stringent global pharmaceutical standards.

In-House Quality Control

Each batch undergoes rigorous testing for purity, stability, and efficacy.

Regulatory Approvals

Certified for export and compliant with international regulatory requirements.

Large-Scale Manufacturing and Export

Grade Compliance

Sodium Sulphate is manufactured in adherence to stringent global pharmaceutical standards.

In-House Quality Control

Each batch undergoes rigorous testing for purity, stability, and efficacy.

Regulatory Approvals

Certified for export and compliant with international regulatory requirements.

How to Order Sodium Sulphate

For bulk orders or more information about Sodium Sulphate, contact our sales team today:
 
Email
info@chemignition.com
Phone
+91 8866558673

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    FAQs related to Sodium Sulphate

    What is Sodium Sulphate Anhydrous?

    Sodium Acetate Anhydrous is the sodium salt of acetic acid, available in a dry, water-free form. It is commonly used in pharmaceuticals, food, and industrial applications.

    What is Sodium Sulphate Anhydrous used for?

    Sodium Sulphate Anhydrous is used in pharmaceutical formulations, food processing, laboratory reagents, detergents, glass manufacturing, textile processing, and various industrial chemical applications.

    Which grades of Sodium Sulphate Anhydrous are available?

    Sodium Sulphate Anhydrous is available in pharmaceutical, food, laboratory, and industrial grades, including EP and USP specifications, depending on customer requirements.

    What are the benefits of Sodium Sulphate Anhydrous?

    It offers high purity, excellent chemical stability, good water solubility, and consistent quality, making it suitable for a wide range of industrial and pharmaceutical applications.

    Does Chemignition provide quality and regulatory documentation?

    Yes. Chemignition provides Certificate of Analysis (COA), Safety Data Sheet (SDS/MSDS), Technical Data Sheet (TDS), and other quality documents as required.

    Does Chemignition export Sodium Sulphate Anhydrous internationally?

    Yes. Chemignition supplies high-quality Sodium Sulphate Anhydrous to domestic and international customers while complying with applicable quality and regulatory standards.

    Can Chemignition supply Sodium Sulphate Anhydrous in bulk quantities?

    Yes. Chemignition offers bulk quantities for pharmaceutical, food, laboratory, and industrial applications with reliable global supply capabilities.

    How can I request a quotation for Sodium Sulphate Anhydrous?

    You can contact Chemignition’s sales team with your required grade, quantity, and destination. Our team will provide a competitive quotation along with the necessary technical documentation.