Sodium metaborate, tetrahydrate, GR ≥99%

Name: Sodium metaborate, tetrahydrate, GR ≥99%
Brand: Vaqora Chemicals
SKU: VQ-014175

About Sodium metaborate, tetrahydrate, GR ≥99%

Listed under CAS 10555-76-7, Sodium metaborate, tetrahydrate is an alkali metal compound available from Vaqora Chemicals in AR grade with a typical assay of ≥99%. Its molecular formula is BH8NaO6 and its molecular weight is 137.86 g/mol. Systematically, it is named sodium. Oxido(oxo)borane. Tetrahydrate. Alternative names: Boric acid and sodium salt.

In its supplied form it is white powder or crystals or chunks. Key physical data: a melting point of 57 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for ceramics and glass and agrochemical formulations. Buyers come mainly from academic and industrial research.

Vaqora Chemicals supplies Sodium metaborate, tetrahydrate in 500 g, 5 kg and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Ceramics & glass
Agrochemical formulations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium metaborate, tetrahydrate, GR ≥99%
Catalogue No.	VQ-014175
CAS Number	10555-76-7
IUPAC name	sodium;oxido(oxo)borane;tetrahydrate
Molecular formula	BH₈NaO₆
Molecular weight	137.86 g/mol
Exact mass	138.0312
Grade	AR
Purity / assay	≥99%
HSN code	28401900
InChIKey	JAKYJVJWXKRTSJ-UHFFFAOYSA-N
SMILES	B(=O)[O-].O.O.O.O.[Na+]
PubChem CID	23694267

Physical properties
Physical form	Crystalline
Appearance	White powder or crystals or chunks
Melting point	57 °C
H-bond donors / acceptors	4 / 6
TPSA	44.1 Å²
Synonyms	Boric acid, sodium salt, tetrahydrate, Sodium metaborate tetrahydrate, BH8NaO6

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H319Causes serious eye irritation
H360May damage fertility or the unborn child
H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P264 + P265, P280, P305 + P351 + P338, P318, P337 + P317, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 10555-76-7

Synthesis

Sodium metaborate, ≥99%

CAS: 10555-76-7
Formula: BH₈NaO₆
MW: 137.86 g/mol

VQ-014176

Synthesis

Sodium metaborate, tetrahydrate, 98%

CAS: 10555-76-7
Formula: BH₈NaO₆
MW: 137.86 g/mol

VQ-014174

Frequently asked questions

What is the CAS number of Sodium metaborate, tetrahydrate, GR ≥99%?

The CAS Registry Number of Sodium metaborate, tetrahydrate, GR ≥99% is 10555-76-7. It is also known as Boric acid, sodium salt, tetrahydrate.

What is the molecular formula and molecular weight of Sodium metaborate, tetrahydrate, GR ≥99%?

Sodium metaborate, tetrahydrate, GR ≥99% has the molecular formula BH8NaO6 and a molecular weight of 137.86 g/mol.

Which grade and pack sizes of Sodium metaborate, tetrahydrate, GR ≥99% can I order?

We supply Sodium metaborate, tetrahydrate, GR ≥99% in AR (≥99%) grade, in 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium metaborate, tetrahydrate, GR ≥99%?

Yes. Every lot of Sodium metaborate, tetrahydrate, GR ≥99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Sodium metaborate, tetrahydrate, GR ≥99% be shipped internationally?

Yes. Sodium metaborate, tetrahydrate, GR ≥99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.