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CAS 1 record

CAS 615-50-9

CAS 615-50-9 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 615-50-9
CAS 615-50-9PubChem CID 22856

2,5-Diaminotoluene sulfate

2,5-diaminotoluene sulfate is an organic sulfate salt obtained by combining 2,5-diaminotoluene with one molar equivalent of sulfuric acid; occurs as an intermediate during hair dye formulation. It has a role as an allergen. It is a diamine and an organic sulfate salt. It is functionally related to a 2-methyl-1,4-phenylenediamine. — ChEBI

IUPAC name
2-methylbenzene-1,4-diamine;sulfuric acid
Molecular formula
C7H12N2O4S
Molecular weight
220.25 g/mol
Exact mass
220.05177804 Da
Topological polar surface area
135.0 Ų
Hydrogen-bond donors
4
Hydrogen-bond acceptors
6
Covalent units
2
Defined stereocentres
0

Also known as

Fouramine STDToluene-2,5-diamine sulfateC.I. Oxidation Base 4p-Toluylenediamine sulfate2-Methyl-1,4-benzenediamine sulfateCI Oxidation Base 4Toluene-2,5-diamine, sulfateRodol BLFX
16 more reported names
para-Toluenediamine sulphateNCI-C01832CI 76043para-Toluylenediamine sulphateC.I. 76043Toluylene-2,5-diamine sulphatep-Toluenediamine sulphate2,5-TDSp-Tolylenediamine sulphatep-Toluylenediamine sulphate2,5-Diaminotoluene sulphate8PSD05SPE22-Methyl-para-phenylenediamine sulphateToluene-2,5-diamine, sulfate (1:1)JAROCOL TDSCHEBI:156544
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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 615-50-9

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No records found for this CAS number.

How CAS 615-50-9 is used on this site

CAS 615-50-9 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 615-50-9 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.