Sodium tetraborate, decahydrate, 99%

Name: Sodium tetraborate, decahydrate, 99%
Brand: Vaqora Chemicals
SKU: VQ-014243

About Sodium tetraborate, decahydrate, 99%

Sodium tetraborate, decahydrate is an alkali metal compound (Extra Pure grade) carrying the CAS registry number 1303-96-4, specified at 99% purity. The compound has the formula B4H20Na2O17, corresponding to a molecular weight of 381.4 g/mol. Its systematic (IUPAC) name is disodium, 3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane. Decahydrate. Common synonyms include Borax and Borax decahydrate.

It is supplied as a white crystalline powder. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 0 hazard statements. Review the Safety Data Sheet before use.

Key uses span buffer preparation, ceramics and glass and metallurgy and plating. Typical end-use sectors are academic and industrial research.

Standard pack sizes are 500 g, 5 kg, 25 kg and 4 x 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Buffer preparation
Ceramics & glass
Metallurgy & plating

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium tetraborate, decahydrate, 99%
Catalogue No.	VQ-014243
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	Extra Pure
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	White crystalline powder
H-bond donors / acceptors	10 / 17
TPSA	102 Å²
Synonyms	Borax, Borax decahydrate, Sodium borate decahydrate, Borax (B4Na2O7.10H2O), Sodium pyroborate decahydrate, Antipyonin, Boricin, Jaikin, Gerstley borate, Gertley borate, Boro-spray, Disodium tetraborate 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

AR

Sodium tetraborate, decahydrate, GR 99%+

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

VQ-014244

Frequently asked questions

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

The CAS Registry Number of Sodium tetraborate, decahydrate, 99% is 1303-96-4. It is also known as Borax, Borax decahydrate, Sodium borate decahydrate.

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

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

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

We supply Sodium tetraborate, decahydrate, 99% in Extra Pure (99%) grade, in 500 g, 5 kg, 25 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

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

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

Yes. Sodium tetraborate, decahydrate, 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.