Borax Decahydrate

Buy borax powder in Mumbai, India

Borax Powder

CAS Number:1303‑96‑4

Synonyms:Borax; Sodium borate decahydrate; Disodium tetraborate decahydrate; Borax 10 mol

Chemical Formula:Na₂B₄O₇·10H₂O

Molecular Weight: 381.36 g/mol

Product Introduction

A white, odorless crystalline or granular solid, refined from natural sodium borate. It is alkaline with excellent buffering, fluxing, and pH-stabilizing properties. Available in powder or granules—grades include EP, USP, NF, technical, and granular.

Get Quote

Physical & Chemical Properties

Property Value
Appearance White, crystalline powder or granules
Density ~1.73 g/cm³ (solid)
Melting Point Decomposes ~75 °C (decahydrate); anhydrous melt ~743 °C
Solubility in Water ~4.7 % @ 20 °C; ~65.6 % @ 100 °C
pH (0.1 % soln @ 20 °C) ~9.3
Refractive Index 1.447–1.472
Flash Point Non‑flammable

Applications

  • Flux & metallurgy:brazing, soldering, melting metal oxides
  • Buffer & detergent: pH control, emulsifier, mild abrasive
  • Refractories & adhesives: ceramic frits, starch adhesives, polishing agents

Safety & Handling:

  • Low acute toxicity; mild eye/respiratory irritant. GHS: H319; suspected reproductive toxicant H361d. Store sealed, cool and dry. Use PPE if dusty; ventilate workspace.

Products Category

+91 9867824846
Enquiry Now