Sodium Tetraborate

Name: Sodium Tetraborate
Brand: Vaqora Chemicals
SKU: VQ-038964

About Sodium Tetraborate

Vaqora Chemicals supplies Sodium Tetraborate, an alkali metal compound registered under CAS number 1330-43-4. The compound has the formula B4Na2O7, corresponding to a molecular weight of 201.2 g/mol. Common synonyms include Sodium Tetraborate, Anhydrous and Borax glass.

Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include materials research and chemical synthesis. Typical end-use sectors are academic and industrial research.

Vaqora Chemicals supplies Sodium Tetraborate in 100 mg, 250 mg, 1 g and 5 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Materials research
Chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Sodium Tetraborate
Catalogue No.	VQ-038964
CAS Number	1330-43-4
IUPAC name	disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane
Molecular formula	B₄Na₂O₇
Molecular weight	201.2 g/mol
Exact mass	201.9812
InChIKey	UQGFMSUEHSUPRD-UHFFFAOYSA-N
SMILES	B1(OB2OB(OB(O1)O2)[O-])[O-].[Na+].[Na+]
PubChem CID	10219853

Physical properties
Physical form	Other
H-bond donors / acceptors	0 / 7
TPSA	92.3 Å²
Synonyms	Sodium 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

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Precautionary statements: P203, P280, P318, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 1330-43-4

AR

Borax Anhydrous, AR

CAS: 1330-43-4
Formula: B₄Na₂O₇
MW: 201.2 g/mol

VQ-020348

Frequently asked questions

What is the CAS number of Sodium Tetraborate?

The CAS Registry Number of Sodium Tetraborate is 1330-43-4. It is also known as Sodium Tetraborate, Anhydrous, Borax glass, Boron sodium oxide (B4Na2O7).

What is the molecular formula and molecular weight of Sodium Tetraborate?

Sodium Tetraborate has the molecular formula B4Na2O7 and a molecular weight of 201.2 g/mol.

Which grade and pack sizes of Sodium Tetraborate can I order?

We supply Sodium Tetraborate, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium Tetraborate?

Yes. Every lot of Sodium Tetraborate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Sodium Tetraborate be shipped internationally?

Yes. Sodium Tetraborate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.