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? Borax Decahydrate (Na₂B₄O₇·10H₂O) is a multi-functional boron compound 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.

Shipped from Manchester, UK Facility: Our Borax Decahydrate is sourced and packaged using non-toxic, chemical-resistant containers, ensuring reliable quality for our customers.

• 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