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  7. Sodium tetraborate, anhydrous, Puratronic™, 99.998% (metals basis)
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Sodium tetraborate, anhydrous, Puratronic™, 99.998% (metals basis)

Code produit. 11387037
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Code produit. 11387037

missing translation for 'mfr': Thermo Scientific Alfa Aesar 010875.14

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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.

TRUSTED_SUSTAINABILITY

Identifiants chimiques

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

Spécification

Boiling Point 1575°C (decomposition)
Melting Point 741°C
Color White
Physical Form Powder
Quantity 25 g
Linear Formula Na2B4O7
Merck Index 14,8590
Solubility Information Soluble in water and glycerol. Slightly soluble in ethanol. Insoluble in acids.
Formula Weight 201.22
Percent Purity 99.998%
Grade Puratronic™
Odor Odorless
Refractive Index 1.501
Sensitivity Hygroscopic
Density 2.367 g/mL
Assay (metals basis)
Chemical Name or Material Sodium tetraborate, Anhydrous
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Sécurité et traitement

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Mention d'avertissement
  • Danger
 Catégorie de danger
  • Reproductive toxicity Category 1B
 Mention de danger
  • H360FD-May damage fertility. May damage the unborn child.
 Conseils de prudence
  • P201-Obtain special instructions before use.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P308+P313-IF exposed or concerned: Get medical advice/attention.
FDS

RUO – Research Use Only

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