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Sigma-Aldrich

Sodium metaborate tetrahydrate

≥99%

Synonym(s):

Boric acid, sodium salt, tetrahydrate

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About This Item

Linear Formula:
NaBO2 · 4H2O
CAS Number:
10555-76-7
Molecular Weight:
137.86
EC Number:
231-891-6
MDL number:
MFCD00149205
UNSPSC Code:
12352302
PubChem Substance ID:
57654596
NACRES:
NA.23

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

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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
GHS08,GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Repr. 2

Storage Class

11 - Combustible Solids

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’.

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