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CAS 1332-77-0

CAS 1332-77-0 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 1332-77-0

CAS 1332-77-0PubChem CID 9816075

Potassium tetraborate

IUPAC name: dipotassium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane

Molecular formula: B4K2O7
Molecular weight: 233.4 g/mol
Exact mass: 233.9290360 Da
Topological polar surface area: 92.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 7
Covalent units: 3
Defined stereocentres: 0

Also known as

Dipotassium tetraborateRefChem:175432Boron potassium oxide (B4K2O7)Potassium borate (K2B4O7)ZV5114S322Boric acid, dipotassium saltBoric acid (H2B4O7), dipotassium saltUNII-ZV5114S322

7 more reported names

EINECS 215-575-5K2B4O7FZQSLXQPHPOTHG-UHFFFAOYSA-NPOTASSIUM TETRABORATE [MI]POTASSIUM TETRABORATE (K2B4O7)EC 215-575-5Dipotassium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate)

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External database identifiers

EPA DTXSID:DTXSID2052782

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 1332-77-0

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How CAS 1332-77-0 is used on this site

CAS 1332-77-0 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 1332-77-0 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.