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Alkali Metal Compounds (Li, Na, K, Rb, Cs)

Sodium Tetraborate

Available on request

Order Sodium Tetraborate (CAS 1330-43-4) online at Zemixal: B4Na2O7, COA and SDS with every lot, worldwide shipping. Packs from 100 mg.

Pack sizes
Sodium Tetraborate chemical structure
CAS number1330-43-4
FormulaB4Na2O7
Molar mass201.2 g/mol
InChIKeyUQGFMSUEHSUPRD-UHFFFAOYSA-N
IUPAC namedisodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane

About Sodium Tetraborate

Zemixal supplies Sodium Tetraborate within its inorganic Chemicals, Metals & Advanced Materials portfolio. Key data: CAS 1330-43-4, formula B4Na2O7 and molar mass 201.2 g/mol.

Use cases we see most often

  • Materials research
  • Chemical synthesis

Safe handling

Handle with the usual laboratory precautions and consult the SDS supplied with each lot.

Order it in 100 mg, 250 mg, 1 g and 5 g packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Materials research
  • Chemical synthesis

Applications

Research Labs and Universities

Specifications and identifiers

Specifications of Sodium Tetraborate
Product nameSodium Tetraborate
Catalogue numberZX-034105
CAS number1330-43-4
IUPAC namedisodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane
Molecular formulaB4Na2O7
Molar mass201.2 g/mol
Exact mass201.9812
H-bond donors / acceptors0 / 7
Topological polar surface area92.3 Ų
InChIKeyUQGFMSUEHSUPRD-UHFFFAOYSA-N
SMILESB1(OB2OB(OB(O1)O2)[O-])[O-].[Na+].[Na+]
PubChem CID10219853
SynonymsSodium Tetraborate, Anhydrous, Borax glass, Boron sodium oxide (B4Na2O7), Anhydrous borax, Sodium biborate, Borax Anhydrous, Fused borax, Borax, fused, Sodium pyroborate, Sodium borate, anhydrous, Borax, dehydrated, Sodium boron oxide

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Danger

Precautionary statements P203, P280, P318, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Sodium Tetraborate
100 mgQuoted on request
250 mgQuoted on request
1 gQuoted on request
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Sodium Tetraborate

Which CAS number identifies Sodium Tetraborate?
Sodium Tetraborate is registered under CAS 1330-43-4. You may also see it listed as Sodium Tetraborate, Anhydrous, Borax glass, Boron sodium oxide (B4Na2O7). Our catalogue number for this item is ZX-034105.
What are the formula and molar mass of Sodium Tetraborate?
For Sodium Tetraborate, its formula is B4Na2O7 and its molar mass is 201.2 g/mol. InChIKey UQGFMSUEHSUPRD-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Sodium Tetraborate?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Sodium Tetraborate?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Sodium Tetraborate to my country?
Yes. Because Sodium Tetraborate is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 1330-43-4

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