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CAS 2 records

CAS 624-18-0

CAS 624-18-0 matches 2 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 624-18-0
CAS 624-18-0PubChem CID 12205

1,4-Diaminobenzene dihydrochloride

1,4-phenylenediamine dihydrochloride appears as white to slightly reddish crystals or gray powder. (NTP, 1992) — CAMEO Chemicals

IUPAC name
benzene-1,4-diamine;dihydrochloride
Molecular formula
C6H10Cl2N2
Molecular weight
181.06 g/mol
Exact mass
180.0221037 Da
Topological polar surface area
52.0 Ų
Hydrogen-bond donors
4
Hydrogen-bond acceptors
2
Covalent units
3
Defined stereocentres
0

Also known as

p-Phenylenediamine dihydrochloride1,4-Phenylenediamine dihydrochloridebenzene-1,4-diamine dihydrochlorideFourrine DSPelagol Grey CDDurafur Black RCFourrine 641,4-Benzenediamine dihydrochloride
16 more reported names
p-PD HClp-Phenylenediamine HClPelagol CD1,4-Benzenediamine, dihydrochloridep-Pda HClOxidation Base 10AC.I. Oxidation Base 10A4-Aminoaniline dihydrochloridep-Benzenediamine dihydrochloridep-Diaminobenzene dihydrochlorideCI Oxidation Base 10ANCI-C03930p-Phenylenediamine, dihydrochloridep-Aminoaniline dihydrochlorideCCRIS 510Phenylenediamine dihydrochloride
Open full PubChem recordPubChem annotations3D structure image
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 624-18-0

2 total
No records found for this CAS number.

How CAS 624-18-0 is used on this site

CAS 624-18-0 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 624-18-0 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.