CAS 1 record

CAS 13840-56-7

CAS 13840-56-7 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

Check this CAS number Browse annexes

Chemical identity and properties

PubChem 2D chemical structure for CAS 13840-56-7

CAS 13840-56-7PubChem CID 160998

Boric acid (H3BO3), sodium salt (1:?)

IUPAC name: sodium borate

Molecular formula: BNaO3-2
Molecular weight: 81.80 g/mol
Exact mass: 81.9838183 Da
Topological polar surface area: 69.2 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 2
Defined stereocentres: 0

Also known as

Boric acid (H3BO3), sodium saltTrisodium orthoborateOrthoboric acid, sodium saltEINECS 238-253-6EINECS 237-560-2RefChem:569982237-560-2238-253-6

2 more reported names

sodium;borateWJZOJDGNGVXSIK-UHFFFAOYSA-N

Open full PubChem record PubChem annotations 3D structure image

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 13840-56-7

1 total

No records found for this CAS number.

How CAS 13840-56-7 is used on this site

CAS 13840-56-7 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares 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 13840-56-7 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.