CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
CAS 1 record

CAS 1330-43-4

CAS 1330-43-4 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

Check this CAS numberBrowse annexes

Chemical identity and properties

PubChem 2D chemical structure for CAS 1330-43-4
CAS 1330-43-4PubChem CID 10219853

Sodium Tetraborate

IUPAC name
disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane
Molecular formula
B4Na2O7
Molecular weight
201.2 g/mol
Exact mass
201.9811616 Da
Topological polar surface area
92.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
7
Covalent units
3
Defined stereocentres
0

Also known as

Sodium Tetraborate, AnhydrousBorax glassBoron sodium oxide (B4Na2O7)Anhydrous boraxSodium biborateBorax AnhydrousFused boraxSodium borate anhydrous
16 more reported names
Borax, fusedSodium pyroborateDehyborGranuborSprayborSodium borate, anhydrousBorax, dehydratedSodium boron oxideRasorite 658191EN8ZMDBoric acid, disodium saltBoric acid (H2B4O7), disodium saltSodium tetraborate anhydrousINS NO.285Sodium boron oxide (na2b4o7)INS-285
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

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 1330-43-4

1 total
No records found for this CAS number.

How CAS 1330-43-4 is used on this site

CAS 1330-43-4 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 1330-43-4 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.