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CAS 1 record

CAS 659-40-5

CAS 659-40-5 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 659-40-5
CAS 659-40-5PubChem CID 3080571

Hexamidine Diisethionate

Hexamidine and Hexamidine Diisethionate are safe for the use in cosmetic products in the practices and concentrations of use as described in this safety assessment if used at concentrations less than or equal to 0.10%. — Cosmetic Ingredient Review (CIR)

IUPAC name
4-[6-(4-carbamimidoylphenoxy)hexoxy]benzenecarboximidamide;bis(2-hydroxyethanesulfonic acid)
Molecular formula
C24H38N4O10S2
Molecular weight
606.7 g/mol
Exact mass
606.20293577 Da
Topological polar surface area
284.0 Ų
Hydrogen-bond donors
8
Hydrogen-bond acceptors
12
Covalent units
3
Defined stereocentres
0

Also known as

Hexamidine isethionatehexomedinhexamidine isetionate023XA5Z50LNSC-115848RF-2535Laryngomedin NHexomedin N
16 more reported names
RefChem:146090211-533-5DesomedineHexamidine diisetionate4,4'-(Hexane-1,6-diylbis(oxy))dibenzimidamide bis(2-hydroxyethanesulfonate)HexomedineOphtamedineEsomedina2-HYDROXYETHANESULPHONIC ACID, COMPOUND WITH 4,4'-[HEXANE-1,6-DIYLBIS(OXY)]BIS[BENZENECARBOXAMIDINE] (2:1)2535 RPRP 25354-[6-(4-carbamimidoylphenoxy)hexoxy]benzenecarboximidamide;2-hydroxyethanesulfonic acid2-hydroxyethanesulphonic acid, compound with 4,4'-[hexane-1,6-diylbis(oxy)]bis[benzenecarboxamidine] (22535 R. P.DesmedineUNII-023XA5Z50L
Open full PubChem recordPubChem annotations3D structure image

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 659-40-5

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No records found for this CAS number.

How CAS 659-40-5 is used on this site

CAS 659-40-5 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 659-40-5 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.