Shanghai Dingwujin Chemical Co., Ltd. is one of the leading manufacturers and suppliers of sodium chloride in China. We are committed to the chemical distribution across Central & Eastern Europe and Ukraine. We warmly welcome you to wholesale customized sodium chloride made in China here from our factory.
Sodium Chloride
Introduction
Characteristics
|
Molar Weight |
58.44 g/mol |
|
Melting Point |
800.7 °C |
|
Boiling Point |
1.465 °C |
|
Density |
2.17 g/cm3 |
|
Forms |
Liquid, Colorless, Crystalline, Solid |
Product Grades
Industrial Grade
No strict heavy metal or microbe limits. Used in chemical raw materials, water treatment, etc. SC license required for food use; not for direct consumption.
Food Grade
Three purity grades: Premium (≥99.1%), First (≥98.5%), Second (≥97%). Mandatory controls on iodine, anti-caking agents, and heavy metals (Pb, As, etc.).
Pharmaceutical Grade
Purity ≥99.5%. Key parameters: endotoxins, sterility, pyrogen-free, and specific impurity limits. For injections, dialysis fluids, and other medical uses.
Reagent Grade
Purity descending: GR (≥99.8%), AR (≥99.5%), CP (≥99.0%). Primary standards also available for titrimetric calibration.
Standard stock items are industrial grade. For special-grade orders, please contact us for full documentation.
Uses and Applications
Key applications
- Anti-freeze
- Adhesives and Sealants
- Electronics
- Paint and Coatings
- Plastics and Polymers
- Absorbent
- Cleaning Products
- Petroleum Production
- Pulp and Paper
- Textile Handling
- Solvents
- Pharmaceuticals
- Personal Care
- Bleaching Agent
Industries
- Beauty & Personal Care
- Cleaning
- Agriculture
- Pharma
- Polymers
- CASE & Construction
- Energy Services
- Water Treatment
- Food & Nutrition
- Animal Nutrition
- Lubricants
- Rubber
Sodium Chloride Used in the Pharmaceutical Industry
● Normal Saline Preparation: Sodium chloride serves as the main raw material for producing 0.9% isotonic sodium chloride injection matching the osmotic pressure of human plasma.
● Solvent & Irrigation Medium: It works as a diluent for injectable preparations. Sterile sodium chloride solutions are manufactured for wound, ocular and nasal irrigation applications.
Sodium Chloride Used in the Food Industry
Sodium chloride, the primary component of table salt, is utilised in cooking for flavour enhancement. It is widely adopted for food preservation in products including salted fish and cured meat to prolong shelf life via osmotic effects.
Sodium Chloride Used in the Chemical Manufacturing Industry
Electrolysis of saturated sodium chloride solution yields chlorine, hydrogen, and sodium hydroxide (caustic soda).
Sodium Chloride Used in the Metallurgical Industry
Electrolysis of saturated sodium chloride solution yields chlorine, In the metallurgical industry, it is used as a heat treatment agent, formulated with potassium chloride and other components to form a salt bath that serves as a heating medium at high temperatures.
Sodium Chloride Used in the Agriculture Industry
● Brine Seed Separation: A 10%–20% NaCl solution (typically 16%) is used. Dense, plump seeds sink while lightweight, empty or shrivelled seeds float, allowing effective separation.
● Trace Needs for Certain Crops: Some salt-tolerant crops (e.g., certain sugar beet and spinach varieties) need minimal chloride and sodium ions at specific growth stages. Concentrations must be tightly controlled, and direct NaCl application is usually avoided.
Sodium Chloride Used in the Cosmetic Industry
● Thickening & Viscosity Control: Boosts viscosity in surfactant formulations such as shampoos, body washes and facial cleansers by modifying micelle structure, optimising texture and cling, and reducing the usage of high-cost functional ingredients.
● pH Adjustment & Stabilization: Supports pH regulation and aids formulation stability in specific emulsions including water-in-oil systems.
● Physical Abrasive Agent: Its crystalline particles can be incorporated into scrub formulations as a physical abrasive component.
Sodium Chloride Used in the Textile Industry
In the textile industry, sodium chloride is not used directly as a primary material, but primarily serves as a dyeing auxiliary (promoting dye uptake, retarding dyeing, and salting out) and as a regenerating agent for water treatment.
Sodium Chloride Used in the Construction Industry
Sodium chloride is used in concrete as an antifreeze agent to lower the freezing point of water, enabling cement hydration and early strength gain in cold-weather conditions.
Sodium Chloride Used in the Water Treatment Industry
Sodium chloride is used to regenerate resin in water softeners-not to treat wastewater directly, but to ensure water quality for cleaning. It also helps adjust wastewater salinity for biochemical treatment or reuse.
Sodium Chloride Used in the Cleaning Industry
In cleaning, sodium chloride acts as a filler to maintain product structure in some cleaners. It is also used in water softeners in hard-water regions to remove calcium and magnesium, preventing scale formation.
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