Potassium tetraborate tetrahydrate, extra pur… 12045-78-2

Name: Potassium tetraborate tetrahydrate, extra pure 99.5%
Brand: Vaqora Chemicals
SKU: VQ-019849

About Potassium tetraborate tetrahydrate, extra pure 99.5%

Vaqora Chemicals supplies Potassium tetraborate tetrahydrate in Extra Pure grade, an alkali metal compound registered under CAS number 12045-78-2, specified at 99.5% purity. With the molecular formula B4H8K2O11, it has a molar mass of 305.5 g/mol. Common synonyms include Potassium tetraborate (K2B4O7) tetrahydrate and Potassium borate tetrahydrate.

Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include materials research and chemical synthesis. Typical end-use sectors are academic and industrial research.

Standard pack sizes are 500 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Materials research
Chemical synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Potassium tetraborate tetrahydrate, extra pure 99.5%
Catalogue No.	VQ-019849
CAS Number	12045-78-2
IUPAC name	dipotassium;[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyborinate;tetrahydrate
Molecular formula	B₄H₈K₂O₁₁
Molecular weight	305.5 g/mol
Exact mass	305.9713
Grade	Extra Pure
Purity / assay	99.5%
InChIKey	HPERZVLSBPUYIW-UHFFFAOYSA-N
SMILES	B(=O)OB([O-])OB([O-])OB=O.O.O.O.O.[K+].[K+]
PubChem CID	71310090

Physical properties
Physical form	Other
H-bond donors / acceptors	4 / 11
TPSA	112 Å²

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P280, P318, 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

Frequently asked questions

What is the CAS number of Potassium tetraborate tetrahydrate, extra pure 99.5%?

The CAS Registry Number of Potassium tetraborate tetrahydrate, extra pure 99.5% is 12045-78-2. It is also known as Potassium tetraborate (K2B4O7) tetrahydrate, Boric acid (H2B4O7), dipotassium salt, tetrahydrate, Potassium borate tetrahydrate.

What is the molecular formula and molecular weight of Potassium tetraborate tetrahydrate, extra pure 99.5%?

Potassium tetraborate tetrahydrate, extra pure 99.5% has the molecular formula B4H8K2O11 and a molecular weight of 305.5 g/mol.

Which grade and pack sizes of Potassium tetraborate tetrahydrate, extra pure 99.5% can I order?

We supply Potassium tetraborate tetrahydrate, extra pure 99.5% in Extra Pure (99.5%) grade, in 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Potassium tetraborate tetrahydrate, extra pure 99.5%?

Yes. Every lot of Potassium tetraborate tetrahydrate, extra pure 99.5% 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 Potassium tetraborate tetrahydrate, extra pure 99.5% be shipped internationally?

Yes. Potassium tetraborate tetrahydrate, extra pure 99.5% 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.