Skip to Content
MilliporeSigma
All Photos(1)

Documents

S0251

Sigma-Aldrich

Sodium metaborate tetrahydrate

≥99%

Synonym(s):

Boric acid, sodium salt, tetrahydrate

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
NaBO2 · 4H2O
CAS Number:
Molecular Weight:
137.86
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

≥99%

form

powder

SMILES string

O.O.O.O.[Na+].[O-]B=O

InChI

1S/BO2.Na.4H2O/c2-1-3;;;;;/h;;4*1H2/q-1;+1;;;;

InChI key

JAKYJVJWXKRTSJ-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

Sodium metaborate tetrahydrate is a colorless crystalline solid that serves as a Boron source in the synthesis of NaBH4. It finds applications in the textile industry, as well as in flame retardants and additives.

Application

Sodium metaborate tetrahydrate can be used:

  • As a precursor to prepare an environment-friendly NaBO2/PMS catalytic system for efficient removal of organic pollutants.
  • To enhance the flame-retardant properties of epoxy fireproof coatings.

Caution

Readily reacts with CO2 in air.

pictograms

Health hazardExclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Repr. 2

wgk_germany

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 2

1 of 2

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service