Skip to main content
CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
CAS 1 record

CAS 6373-74-6

CAS 6373-74-6 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 6373-74-6
CAS 6373-74-6PubChem CID 5284435

C.I. Acid Orange 3

CI Acid Orange 3 is an organic molecular entity. — ChEBI

IUPAC name
sodium 2-anilino-5-(2,4-dinitroanilino)benzenesulfonate
Molecular formula
C18H13N4NaO7S
Molecular weight
452.4 g/mol
Exact mass
452.04026422 Da
Topological polar surface area
181.0 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
9
Covalent units
2
Defined stereocentres
0

Also known as

Acid Orange 3Amido yellow EAAmido Yellow EAcid Yellow EAiredale Yellow ECI 10385Sodium 2-anilino-5-(2,4-dinitroanilino)benzenesulphonateP0XV7XM57J
16 more reported names
sodium;2-anilino-5-(2,4-dinitroanilino)benzenesulfonateAcid Orange 3, Technical GradeBenzenesulfonic acid, 5-((2,4-dinitrophenyl)amino)-2-(phenylamino)-, monosodium saltDerma Yellow PFenalan Yellow EErio Yellow AEN5-((2,4-Dinitrophenyl)amino)-2-(phenylamino)benzenesulfonic acid, monosodium saltSolanile Yellow ESuperian Yellow RLissamine Yellow AEMultacid Yellow 3RNylocrom Yellow 3RMulticuer Brown MPHSellacid Yellow AENPolan Yellow E-3RFast Light Yellow E
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 6373-74-6

1 total
No records found for this CAS number.

How CAS 6373-74-6 is used on this site

CAS 6373-74-6 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 6373-74-6 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.