Sodium tetraborate, decahydrate, GR 99%+

Name: Sodium tetraborate, decahydrate, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-014244

About Sodium tetraborate, decahydrate, GR 99%+

Vaqora Chemicals supplies Sodium tetraborate, decahydrate (AR grade), an alkali metal compound registered under CAS number 1303-96-4 with a typical assay of ≥99%. With the molecular formula B4H20Na2O17, it has a molar mass of 381.4 g/mol. The IUPAC name is disodium, 3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane. Decahydrate. Alternative names: Borax decahydrate and Sodium borate decahydrate.

It is supplied as a powder. Key physical data: a density of 1.73 g/mL at 25 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for solvent and extraction work and materials research. It is used across academic and industrial research.

Vaqora Chemicals supplies Sodium tetraborate, decahydrate in 500 g, 5 kg and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Solvent & extraction work
Materials research

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium tetraborate, decahydrate, GR 99%+
Catalogue No.	VQ-014244
CAS Number	1303-96-4
IUPAC name	disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane;decahydrate
Molecular formula	B₄H₂₀Na₂O₁₇
Molecular weight	381.4 g/mol
Exact mass	382.0868
Grade	AR
Purity / assay	≥99%
HSN code	28401900
InChIKey	CDMADVZSLOHIFP-UHFFFAOYSA-N
SMILES	B1(OB2OB(OB(O1)O2)[O-])[O-].O.O.O.O.O.O.O.O.O.O.[Na+].[Na+]
PubChem CID	16211214

Physical properties
Physical form	Powder
Appearance	Powder
Density	1.73 g/mL at 25 °C
H-bond donors / acceptors	10 / 17
TPSA	102 Å²
Synonyms	Borax decahydrate, Sodium borate decahydrate, Borax (B4Na2O7.10H2O), Sodium pyroborate decahydrate, Antipyonin, Boricin, Jaikin, Gerstley borate, Gertley borate, Boro-spray, Disodium tetraborate decahydrate, Sodium borate, decahydrate

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 1303-96-4

ACS

Sodium tetraborate decahydrate ACS reagent, ≥99.5%

CAS: 1303-96-4
Formula: B₄H₂₀Na₂O₁₇
MW: 381.4 g/mol

VQ-014242

BP/USP/EP/Ph. Eur. / …

Sodium tetraborate decahydrate, BP/USP/EP/Ph. Eur., AR

CAS: 1303-96-4
Formula: B₄H₂₀Na₂O₁₇
MW: 381.4 g/mol

VQ-047268

Molecular Biology

Sodium tetraborate decahydrate, for molecular biology

CAS: 1303-96-4
Formula: B₄H₂₀Na₂O₁₇
MW: 381.4 g/mol

VQ-046599

Extra Pure

Sodium tetraborate, decahydrate, 99%

CAS: 1303-96-4
Formula: B₄H₂₀Na₂O₁₇
MW: 381.4 g/mol

VQ-014243

Frequently asked questions

What is the CAS number of Sodium tetraborate, decahydrate, GR 99%+?

The CAS Registry Number of Sodium tetraborate, decahydrate, GR 99%+ is 1303-96-4. It is also known as Borax decahydrate, Sodium borate decahydrate, Borax (B4Na2O7.10H2O).

What is the molecular formula and molecular weight of Sodium tetraborate, decahydrate, GR 99%+?

Sodium tetraborate, decahydrate, GR 99%+ has the molecular formula B4H20Na2O17 and a molecular weight of 381.4 g/mol.

Which grade and pack sizes of Sodium tetraborate, decahydrate, GR 99%+ can I order?

We supply Sodium tetraborate, decahydrate, GR 99%+ in AR (≥99%) grade, in 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium tetraborate, decahydrate, GR 99%+?

Yes. Every lot of Sodium tetraborate, decahydrate, GR 99%+ 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, decahydrate, GR 99%+ be shipped internationally?

Yes. Sodium tetraborate, decahydrate, GR 99%+ 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.