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  7. Sodium tetraborate, anhydrous, 99.95% (metals basis)

Sodium tetraborate, anhydrous, 99.95% (metals basis)

Catalog No. AA8786214
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25 g
100 g
Catalog No. Quantity
AA8786214 25 g
AA8786222 100 g
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Catalog No. AA8786214

Supplier: Thermo Scientific Chemicals 08786214

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Description

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

Sodium tetraborate is a useful anhydrous borax for proteomics research.

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.

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
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

Specifications

Boiling Point 1575°C (decomposition)
Melting Point 741°C
Color White
Physical Form Powder
Quantity 25 g
Assay Percent Range 99.95% (metals basis)
Solubility Information Slowly soluble in water (87.9g/L).
Formula Weight 201.22
Odor Odorless
Refractive Index 1.501
Sensitivity Hygroscopic
Density 2.637 g/cm3 at 20°C
Chemical Name or Material Sodium tetraborate
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Safety and Handling

Hazard Category H319-H360FD
Hazard Statement Avoid exposure - obtain special instructions before use. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
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

RUO – Research Use Only