Borax Decahydrate (Sodium Tetraborate Decahydrate) CAS 1303-96-4 - Industrial Grade Multi-Purpose Chemical

Borax Decahydrate (Sodium Tetraborate Decahydrate, CAS:1303-96-4,EINECS:215-132-3, HS Code:2840190000, molecular formula Na₂B₄O₇·10H₂O, MW:381.37) is a white crystalline powder or granular solid produced from natural borate ores via leaching, purification, concentration and crystallization processes. Our industrial grade borax features ≥99.5% minimum purity with strictly controlled heavy metal and insoluble impurity levels, complying with GB/T 537-2009 and international industrial standards. It exhibits excellent water solubility, alkaline aqueous properties and unique boron-containing chemical characteristics, serving as a versatile fluxing agent, buffering agent and preservative across multiple industries. As the most important boron compound globally, it is the primary raw material for manufacturing all boron-based chemicals and materials.

Applications
Glass & Ceramic Industry (Core Application, ~50% Global Consumption)
Primary fluxing agent for borosilicate glass production, reducing melting temperature and improving glass thermal shock resistance, chemical durability and mechanical strength
Essential component in ceramic glazes and enamels, enhancing glaze gloss, adhesion and color stability
Used in manufacturing fiberglass, optical glass and laboratory glassware
Detergent & Cleaning Industry
Key ingredient in laundry detergents, dishwashing soaps and industrial cleaners, providing water softening, pH buffering and grease removal properties
Bleaching activator and stain remover in textile processing
Metallurgical Industry
Fluxing agent for non-ferrous metal smelting and welding, removing impurities and improving metal fluidity
Additive in steel production to enhance steel hardness and corrosion resistance
Other Industrial Applications
Water treatment chemical for pH adjustment and scale inhibition
Wood preservative and fire retardant additive
Buffer solution component in chemical laboratories
Raw material for producing boric acid and other boron compounds

Product Advantages
✅ 99.5% high purity with low impurity profile, ensuring consistent performance in downstream processes
✅ Excellent solubility and fluxing ability, reducing energy consumption in glass and ceramic manufacturing
✅ Multiple forms available: Fine powder and granular to match different handling and application requirements
✅ Stable chemical properties with long shelf life under proper storage conditions
✅ Strict quality control with batch-by-batch testing and complete COA documentation
✅ Large-scale production capacity with stable supply to support bulk orders and long-term contracts

Packaging & Storage
Standard packaging: 25kg/50kg PP woven bags with inner PE liners; 1000kg FIBC bulk bags for large orders. Store in a cool, dry and well-ventilated warehouse away from moisture, strong acids and food products. Keep containers tightly sealed to prevent moisture absorption and efflorescence (loss of water of crystallization). Shelf life is 24 months under proper storage conditions.

Safety Information
Classified as UN 1458, Class 9 (Miscellaneous Dangerous Goods), Packing Group III for international transportation. Low toxicity; avoid ingestion and prolonged skin contact. May cause eye and respiratory tract irritation. Operators should wear dust masks, gloves and protective clothing during handling. In case of skin/eye contact, rinse thoroughly with plenty of clean water. Complete MSDS with emergency response procedures is provided with each shipment.

1. 1.A 70,000 ㎡ warehouse (20,000 MT capacity) with moisture-proof and temperature-controlled systems, enabling efficient fulfillment of large-volume orders.
2. 2.Free samples (Ship within 3-7 days) to let you test products at zero trial cost.
3. 3.Transparent lead time for hazardous chemicals: 45–60 days, with clear delivery schedules.
4. 4.Certified with a Hazardous Chemical Business License and ISO certification, ensuring smooth customs clearance.
5. 5.6 packaging options with customizable logos to minimize product loss during transportation.
6. 6.Over 400 chemical SKUs available for one-stop procurement, helping you reduce sourcing costs.