Sodium Tetraborate

Na₂B₄O₇

IUPAC: Sodium tetraborate

CAS: 1330-43-4

Overview

Borax is a natural boron mineral used in cleaning products, glass making, and as a flux. It has been mined and traded for over a thousand years.

Composition

Element Symbol Atoms Atomic Mass
Boron B 4 10.8100
Oxygen O 7 15.9990
Sodium Na 2 22.9900

Elemental Composition

B
Boron ×4
21.5%
O
Oxygen ×7
55.7%
Na
Sodium ×2
22.9%

Uses

  • • Cleaning agent
  • • Glass and ceramic flux
  • • Insecticide
  • • Laundry booster

Fun Facts

  • ✦ Death Valley's borax deposits were famously transported by 20-mule teams in the 1880s

Safety

  • ⚠ Reproductive toxin in high doses

Structure

SMILES

B1(OB2OB(OB(O1)O2)[O-])[O-].[Na+].[Na+]

Properties

Type
salt
State
solid
Molar Mass
201.22 g/mol
Density
2.4000 g/cm³
Melting Point
743.0 °C
Solubility
31.4 g/L at 20°C

Molecular Descriptors

Exact Mass
201.9812
TPSA
92.3 Ų
H-Bond Donors
0
H-Bond Acceptors
7
Rotatable Bonds
0
Heavy Atoms
13
Complexity
121.0

Related Compounds

Ammonium Bicarbonate

NH₄HCO₃

Ammonium Chloride

NH₄Cl

Ammonium Sulfate

(NH₄)₂SO₄

Barium Carbonate

BaCO₃

Barium Chloride

BaCl₂

Barium Sulfate

BaSO₄

Cadmium Sulfide

CdS

Calcium Acetate

Ca(C₂H₃O₂)₂

Calcium Carbonate

CaCO₃

Calcium Citrate

Ca₃(C₆H₅O₇)₂

Frequently Asked Questions

What is Sodium Tetraborate?
Sodium Tetraborate (Na₂B₄O₇) is a salt compound with the IUPAC name Sodium tetraborate.
What is the molecular weight of Sodium Tetraborate?
Sodium Tetraborate has a molar mass of 201.22 g/mol.
What state is Sodium Tetraborate at room temperature?
Sodium Tetraborate is a solid at room temperature.
Is Sodium Tetraborate organic or inorganic?
Sodium Tetraborate is classified as an inorganic compound.
What elements make up Sodium Tetraborate?
Sodium Tetraborate (Na₂B₄O₇) is composed of Boron (B), Oxygen (O), Sodium (Na).