CAS 2 records

CAS 16245-77-5

CAS 16245-77-5 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 16245-77-5

CAS 16245-77-5PubChem CID 27769

1,4-Benzenediamine sulfate

IUPAC name: benzene-1,4-diamine;sulfuric acid

Molecular formula: C6H10N2O4S
Molecular weight: 206.22 g/mol
Exact mass: 206.03612798 Da
Topological polar surface area: 135.0 Å²
Hydrogen-bond donors: 4
Hydrogen-bond acceptors: 6
Covalent units: 2
Defined stereocentres: 0

Also known as

p-Phenylenediamine sulfate1,4-Benzenediamine, sulfate (1:1)1,4-Benzenediamine, sulfateUNII-S7IGM30961HSDB 6256EINECS 240-357-1COVASTYLE PPDSCOLOREX PPDS

16 more reported names

1,4-Benzenediamine sulfate (1:1)1,4-BENZENEDIAMINE SULFATE [HSDB]pPhenylenediamine sulfateRefChem:73044Benzene1,4diammonium sulphateP-PHENYLENEDIAMINE SULFATE [INCI]240-357-11,4-Phenylenediamine Sulfate1,4-Diaminobenzene SulfateBenzene-1,4-diammonium sulphateS7IGM30961UFPKLWVNKAMAPE-UHFFFAOYSA-NBS-42135DB-043524DB-071285P0175

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External database identifiers

EPA DTXSID:DTXSID6066028

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 16245-77-5

2 total

No records found for this CAS number.

How CAS 16245-77-5 is used on this site

CAS 16245-77-5 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 16245-77-5 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.