CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
CAS 1 record

CAS 25550-58-7

CAS 25550-58-7 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

Check this CAS numberBrowse annexes

Chemical identity and properties

PubChem 2D chemical structure for CAS 25550-58-7
CAS 25550-58-7PubChem CID 6191

2,3-Dinitrophenol

IUPAC name
2,3-dinitrophenol
Molecular formula
C6H4N2O5
Molecular weight
184.11 g/mol
Exact mass
184.01202123 Da
XLogP3
1.9
Topological polar surface area
112.0 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
0

Also known as

66-56-8Phenol, 2,3-dinitro-2,3-DNPNSC-156083735M30625HCHEBI:39354RefChem:81872200-628-7
14 more reported names
2,3-Dinitrofenol [Czech]2,3-DinitrofenolCCRIS 3101EINECS 200-628-7NSC 156083BRN 2213580Phenol,3-dinitro-2,3-Dinitro-phenolWLN: WNR CQ BNW4-06-00-01369 (Beilstein Handbook Reference)UNII-735M30625HAC-24718DB-0197922,3-Dinitrophenol, moistened with water, >=98.0% (HPLC)
Open full PubChem recordPubChem annotations3D structure image
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 25550-58-7

1 total
No records found for this CAS number.

How CAS 25550-58-7 is used on this site

CAS 25550-58-7 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 25550-58-7 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.