Borax Decahydrate 99.5-105% ACS

Please Note

All purchases will be subject to completion of a declaration of use prior to acceptance and shipment of order.

What is Borax Decahydrate? It is a multi-functional boron compound, with the chemical formula Na₂B₄O₇·10H₂O, known for its buffering, emulsifying, and cleaning properties. It is widely used in industrial processes, laboratory applications, and manufacturing, appearing as white crystalline granules or powder.

Consistent Quality: We provide only high-quality Borax Decahydrate, ensuring reliable and consistent performance for all applications.

Shipped from Manchester, UK Facility: Sourced and packaged in non-toxic, chemical-resistant containers to ensure safe handling and preserve product quality during transport.

• Used in cleaning products such as laundry detergent and multipurpose cleaners
• Used as a flux in metallurgy, helping to remove impurities from metals during welding or soldering
• Used as a pH buffer in chemistry experiments
• Used in the production of fiberglass and ceramics
• Used in some medical applications, such as a component in saline solutions
• Used in the production of flame-retardant materials for fabrics and plastics

Minimum Assay: 99.9-100.9%
Molecular Formula: Na₂B₄O₇.10H₂O
Molecular Weight: 381.37 g/mol
Melting Point: 169 °C
Density at 25°C (g/cm³): 1.73
pH (0.01M soln 25°C): 9.15-9.20
Sodium Oxide (Na₂O): 16.4-17.0%
Chloride (Cl): 500ppm
Iron Oxide (Fe₂O₃): 20ppm
Sulphates (SO₄):400ppm
Water Insoluble Matter: 300ppm
Mesh Size: 2.36mm

Cas Number: 1303-96-4

Einecs Number: 215-540-4

HS Code / Commodity Code: 28401990

Hazard Phrases: H319,H360FD

Prec Phrases: P201,P202,P280,P308+P313,P337+P313,P501