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VAQORACHEMICALS

Sodium tetraborate decahydrate ACS reagent, ≥99.5%

Synonyms: Borax decahydrate · Sodium borate decahydrate · Borax (B4Na2O7.10H2O) · Sodium pyroborate decahydrate

CAS No.1303-96-4
FormulaB4H20Na2O17
Mol. weight381.40
Catalogue No.VQ-014242
Purity≥99%
HSN28401900

Sodium tetraborate decahydrate ACS reagent (CAS 1303-96-4) – alkali metal compound, ACS grade, ≥99%. B4H20Na2O17, MW 381.4. With COA, ships worldwide.

Pack sizesPrice on quotation · bulk available
500 g
2.5 kg
5 kg
4 x 25 kg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Sodium tetraborate decahydrate ACS reagent, ≥99.5%

Vaqora Chemicals supplies Sodium tetraborate decahydrate ACS reagent (ACS grade), an alkali metal compound registered under CAS number 1303-96-4, specified at ≥99% purity. With the molecular formula B4H20Na2O17, it has a molar mass 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. It is also known as Borax decahydrate or Sodium borate decahydrate.

The material typically appears as a crystals or powder. Key physical data: a density of 1.73 g/mL at 25 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 0 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for solvent and extraction work and materials research. Typical end-use sectors are academic and industrial research.

Standard pack sizes are 500 g, 2.5 kg, 5 kg and 4 x 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

  • Solvent & extraction work
  • Materials research

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameSodium tetraborate decahydrate ACS reagent, ≥99.5%
Catalogue No.VQ-014242
CAS Number1303-96-4
IUPAC namedisodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane;decahydrate
Molecular formulaB4H20Na2O17
Molecular weight381.4 g/mol
Exact mass382.0868
GradeACS
Purity / assay≥99%
HSN code28401900
InChIKeyCDMADVZSLOHIFP-UHFFFAOYSA-N
SMILESB1(OB2OB(OB(O1)O2)[O-])[O-].O.O.O.O.O.O.O.O.O.O.[Na+].[Na+]
PubChem CID16211214
Physical properties
Physical formCrystalline
AppearanceCrystals or powder
Density1.73 g/mL at 25 °C
H-bond donors / acceptors10 / 17
TPSA102 Ų
SynonymsBorax 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)

GHS08 Health hazard
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

Other grades of CAS 1303-96-4

Frequently asked questions

What is the CAS number of Sodium tetraborate decahydrate ACS reagent, ≥99.5%?

The CAS Registry Number of Sodium tetraborate decahydrate ACS reagent, ≥99.5% 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 ACS reagent, ≥99.5%?

Sodium tetraborate decahydrate ACS reagent, ≥99.5% has the molecular formula B4H20Na2O17 and a molecular weight of 381.4 g/mol.

Which grade and pack sizes of Sodium tetraborate decahydrate ACS reagent, ≥99.5% can I order?

We supply Sodium tetraborate decahydrate ACS reagent, ≥99.5% in ACS (≥99%) grade, in 500 g, 2.5 kg, 5 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 ACS reagent, ≥99.5%?

Yes. Every lot of Sodium tetraborate decahydrate ACS reagent, ≥99.5% 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 ACS reagent, ≥99.5% be shipped internationally?

Yes. Sodium tetraborate decahydrate ACS reagent, ≥99.5% 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.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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