Sodium tetraborate

B4Na2O7CAS 1330-43-4201.21 g/mol

Open in Covalent MOL file
BOBOBOBOOO−O−Na+Na+

Properties

Molecular formula
B4Na2O7
Molar mass
201.21 g/mol
Exact mass
201.9812 Da
Density
2.37 g/mL
Melting point
741 °C
Water solubility
25.6 g/L (20 °C)
logP
-10.24Crippen estimate
Polar surface area
92.3 Ų
H-bond donors / acceptors
0 / 7
Rotatable bonds
0

Hazards

Danger
Health Hazard (GHS08)

Harmonised EU classification (CLP Annex VI, index 005-011-00-4[2]), via PubChem.

Precautionary statements

P203, P280, P318, P405, P501

Identifiers

CAS number
1330-43-4
SMILES
B1(OB2OB(OB(O1)O2)[O-])[O-].[Na+].[Na+]
InChIKey
UQGFMSUEHSUPRD-UHFFFAOYSA-N
InChI
InChI=1S/B4O7.2Na/c5-1-7-3-9-2(6)10-4(8-1)11-3;;/q-2;2*+1

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

21 names · show all
  • Boron sodium oxide (B4Na2O7)
  • Sodium tetraborate (Na2B4O7)
  • Boric acid (H2B4O7), disodium salt
  • Anhydrous borax
  • Borax glass
  • Fused borax
  • Sodium biborate
  • Disodium tetraborate
  • Sodium borate
  • FR 28
  • Rasorite 65
  • Sodium boron oxide (Na2B4O7)
  • Spraybor
  • Fireless B liquid
  • Fireless B
  • Granubor
  • FR 28 (borate)
  • Ecoboron PRO
  • Dehybor
  • DC Dehybor
  • Etibor 68

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 1330-43-4. Each row opens the sheet with its composition and PDF.

Open in the SDS library

Work with Sodium tetraborate

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Borax1303-96-483 % similar Lithium borate12007-60-267 % similar Potassium tetraborate1332-77-067 % similar Boron trioxide1303-86-240 % similar Sodium tetraborate pentahydrate12179-04-336 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

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