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Alkali Metal Compounds (Li, Na, K, Rb, Cs)

Potassium tetraborate tetrahydrate, extra pure 99.5%

Extra PureAvailable on request

Potassium tetraborate tetrahydrate, extra pure 99.5% (CAS 12045-78-2) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery.

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Potassium tetraborate tetrahydrate, extra pure 99.5% chemical structure
CAS number12045-78-2
FormulaB4H8K2O11
Molar mass305.5 g/mol
Purity99.5%
InChIKeyHPERZVLSBPUYIW-UHFFFAOYSA-N
IUPAC namedipotassium;[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyborinate;tetrahydrate

About Potassium tetraborate tetrahydrate, extra pure 99.5%

Zemixal supplies Potassium tetraborate tetrahydrate, extra pure 99.5% within its inorganic Chemicals, Metals & Advanced Materials portfolio. Identity at a glance (Extra Pure): CAS 12045-78-2, formula B4H8K2O11 and molar mass 305.5 g/mol.

Where it is used

  • Materials research
  • Chemical synthesis

Storage and safety notes

It carries the GHS signal word Warning (H361), so wear gloves and eye protection and work with good ventilation.

Order it in 500 g packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Materials research
  • Chemical synthesis

Applications

Grade guides

Specifications and identifiers

Specifications of Potassium tetraborate tetrahydrate, extra pure 99.5%
Product namePotassium tetraborate tetrahydrate, extra pure 99.5%
Catalogue numberZX-018907
CAS number12045-78-2
IUPAC namedipotassium;[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyborinate;tetrahydrate
Molecular formulaB4H8K2O11
Molar mass305.5 g/mol
Exact mass305.9713
GradeExtra Pure
Purity / assay99.5%
H-bond donors / acceptors4 / 11
Topological polar surface area112 Ų
InChIKeyHPERZVLSBPUYIW-UHFFFAOYSA-N
SMILESB(=O)OB([O-])OB([O-])OB=O.O.O.O.O.[K+].[K+]
PubChem CID71310090
SynonymsPotassium tetraborate (K2B4O7) tetrahydrate, Boric acid (H2B4O7), dipotassium salt, tetrahydrate, Potassium borate tetrahydrate

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Warning

  • H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P280, P318, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Potassium tetraborate tetrahydrate, extra pure 99.5%
500 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Potassium tetraborate tetrahydrate, extra pure 99.5%

Which CAS number identifies Potassium tetraborate tetrahydrate, extra pure 99.5%?
Potassium tetraborate tetrahydrate, extra pure 99.5% is registered under CAS 12045-78-2. You may also see it listed as Potassium tetraborate (K2B4O7) tetrahydrate, Boric acid (H2B4O7), dipotassium salt, tetrahydrate, Potassium borate tetrahydrate. Our catalogue number for this item is ZX-018907.
What are the formula and molar mass of Potassium tetraborate tetrahydrate, extra pure 99.5%?
For Potassium tetraborate tetrahydrate, extra pure 99.5%, its formula is B4H8K2O11 and its molar mass is 305.5 g/mol. InChIKey HPERZVLSBPUYIW-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Potassium tetraborate tetrahydrate, extra pure 99.5%?
This listing is Extra Pure grade with 99.5% purity. Standard packs are 500 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Potassium tetraborate tetrahydrate, extra pure 99.5%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Potassium tetraborate tetrahydrate, extra pure 99.5% to my country?
Yes. Because Potassium tetraborate tetrahydrate, extra pure 99.5% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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