chempirical

Borax

B4H20Na2O17CAS 1303-96-4381.36 g/mol

Open in Covalent MOL file
BOBOBOBOOO−O−H2OH2OH2OH2OH2OH2OH2OH2OH2OH2ONa+Na+

Properties

Molecular formula
B4H20Na2O17
Molar mass
381.36 g/mol
Exact mass
382.0868 Da
Density
1.73 g/mL
Melting point
75 °C
Boiling point
320 °C
Water solubility
31.7 g/L (25 °C)
logP
-18.48Crippen estimate
Polar surface area
407.3 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[4]), via PubChem.

Precautionary statements

P203, P280, P318, P405, P501

Identifiers

CAS number
1303-96-4
SMILES
B1(OB2OB(OB(O1)O2)[O-])[O-].O.O.O.O.O.O.O.O.O.O.[Na+].[Na+]
InChIKey
CDMADVZSLOHIFP-UHFFFAOYSA-N
InChI
InChI=1S/B4O7.2Na.10H2O/c5-1-7-3-9-2(6)10-4(8-1)11-3;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;;

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Names and synonyms

25 names · show all
  • Borax (B4na2O7.10H2O)
  • Borascu
  • Borax decahydrate
  • Boricin
  • Gerstley borate
  • Sodium biborate decahydrate
  • Sodium pyroborate decahydrate
  • Sodium tetraborate decahydrate
  • Boric acid (H2B4O7), disodium salt, decahydrate
  • Disodium tetraborate decahydrate
  • Solubor
  • Bura
  • Boron sodium oxide (B4Na2O7), decahydrate
  • Sodium borate (Na2B4O7), decahydrate
  • Three elephant
  • Tincal
  • Solubor DF
  • Sodium pyroborate
  • 20 Mule team borax
  • 20 Mule team borax tech 4/200 mesh
  • BR 100
  • BR 100 (borate)
  • M 9358
  • Terro PCO
  • Dominant

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 1303-96-4. Each row opens the sheet with its composition and PDF.

Open in the SDS library

Work with Borax

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 Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Sodium tetraborate1330-43-483 % similar Lithium borate12007-60-257 % similar Potassium tetraborate1332-77-057 % similar Sodium tetraborate pentahydrate12179-04-346 % similar Boron trioxide1303-86-233 % similar Sodium hypophosphite monohydrate10039-56-232 % similar Sodium perchlorate monohydrate7791-07-330 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Elsewhere

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