Sodium tetraborate, anhydrous, 99.5% (metals basis)

Description

CAS: 1330-43-4 | B4Na2O7 | 201.21 g/mol

Sodium tetraborate is used as a co-catalyst for (2,2,6,6-tetramethylpiperidin-1-yl)oxyl and sodium hypochlorite oxidation of alcohols in greener and non-chlorinated solvents. It acts as a reagent for the decomposition of oxides and silicates by fusion. It is used to prepare buffers, which is used in gel electrophoresis of DNA. It acts as a source of borate, micronutrient fertilizer, preservative in taxidermy, additive in ceramic slips and glazes. It is also used as a precursor for sodium perborate monohydrate and boric acid. It finds application as fluoride detoxification, neutron absorber in nuclear reactors and to make indelible ink for dip pens.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 1330-43-4
• Molecular Formula: B4Na2O7
• Molecular Weight (g/mol): 201.21
• MDL Number: MFCD00081185
• InChI Key: NXSVMNYRVBQCMO-UHFFFAOYSA-N
• Synonym: Borax, anhydrous, Sodium borate (tetra)
• IUPAC Name: disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(ylium)-1,5-diuide-1,5-bis(olate)
• SMILES: [Na+].[Na+].[O-][B-]12O[B+]O[B-]([O-])(O[B+]O1)O2

• Boiling Point: 1575°C (decomposition)
• Melting Point: 741°C
• Color: Green
• Physical Form: Granules
• Quantity: 1 kg
• Assay Percent Range: 99.5% (metals basis)
• Solubility Information: Slowly soluble in waterSoluble in water and glycerol. Slightly soluble in ethanol. Insoluble in acids.
• Formula Weight: 201.22
• Odor: Odorless
• Refractive Index: 1.501
• Sensitivity: Hygroscopic
• Appearance: White powder
• Vapor Pressure: 0 hPa
• Density: 2.367
• Chemical Name or Material: Sodium tetraborate, anhydrous

Safety and Handling

Hazard Category	H319-H360FD
Precautionary Statement	P201-P202-P264b-P280i-P281-P305+P351+P338-P308+P313-P501c
EINECSNumber	215-540-4
RTECSNumber	ED4588000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only