Skip to main content
CAS 2 records

CAS 74918-21-1

CAS 74918-21-1 matches 2 EU annex records across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 74918-21-1
CAS 74918-21-1PubChem CID 21895880

1,3-Bis-(2,4-diaminophenoxy)propane tetrahydrochloride

IUPAC name
4-[3-(2,4-diaminophenoxy)propoxy]benzene-1,3-diamine;tetrahydrochloride
Molecular formula
C15H24Cl4N4O2
Molecular weight
434.2 g/mol
Exact mass
434.062387 Da
Topological polar surface area
123.0 Ų
Hydrogen-bond donors
8
Hydrogen-bond acceptors
6
Covalent units
5
Defined stereocentres
0

Also known as

1,3-BIS(2,4-DIAMINOPHENOXY)PROPANE TETRAHYDROCHLORIDEColorex 13bisQ80X769AD4EINECS 278-022-74,4'-(Propane-1,3-diylbis(oxy))bisbenzene-1,3-diamine tetrahydrochloride4,4'-(PROPANE-1,3-DIYLBIS(OXY))BISBENZENE-1,3-DIAMINETETRAHYDROCHLORIDE1,3-BIS-(2,4-DIAMINOPHENOXY) PROPANE HCL1,3-BIS-(2,4-DIAMINOPHENOXY) PROPANE TETRAHYDROCHLORIDE
16 more reported names
1,3-Benzenediamine, 4,4'-[1,3-propanediylbis(oxy)]bis-, tetrahydrochloride4,4'-[propane-1,3-diylbis(oxy)]bisbenzene-1,3-diamine tetrahydrochloride1,3-BENZENEDIAMINE, 4,4'-(1,3-PROPANEDIYLBIS(OXY))BIS-, HYDROCHLORIDE (1:4)1,3-BENZENEDIAMINE, 4,4'-(1,3-PROPANEDIYLBIS(OXY))BIS-, TETRAHYDROCHLORIDERefChem:4140581,3-BIS-(2,4-DIAMINOPHENOXY) PROPANE HCL [INCI]4,4'-(Propane-1,3-diylbis(oxy))bis(benzene-1,3-diamine) tetrahydrochloride1,3-Bis(2,4-diaminophenoxy)propane 4HClC15H24Cl4N4O2AC-82924,4'-(PROPANE-1,3-DIYLBIS(OXY))BIS(BENZENE-1,3-DIAMINE) TETRAHCLUNII-Q80X769AD41,3-bis(2,4-diaminophenoxy)propane hydrochlorideUXPUOLAAWYPPLE-UHFFFAOYSA-N4-[3-(2,4-diaminophenoxy)propoxy]benzene-1,3-diamine tetrahydrochlorideDS-2687
External database identifiers

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 74918-21-1

2 total
No records found for this CAS number.

How CAS 74918-21-1 is used on this site

CAS 74918-21-1 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 2 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 74918-21-1 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.