S0251

Sodium metaborate tetrahydrate

≥99%

• Synonym(s): Boric acid, sodium salt, tetrahydrate
• 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

Properties

• Quality Level: 200
• 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

Description

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.

Safety Information

• pictograms: GHS08,GHS07
• signalword: Warning
• hcodes: H319,H361d
• pcodes: P202 - P264 - P280 - P305 + P351 + P338 - P308 + P313 - P337 + P313
• Hazard Classifications: Eye Irrit. 2 - Repr. 2
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• ppe: dust mask type N95 (US), Eyeshields, Gloves