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CAS 490-78-8

CAS 490-78-8 matches 0 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 490-78-8
CAS 490-78-8PubChem CID 10279

2-Acetylhydroquinone

2',5'-Dihydroxyacetophenone is an aromatic ketone. — ChEBI

IUPAC name
1-(2,5-dihydroxyphenyl)ethanone
Molecular formula
C8H8O3
Molecular weight
152.15 g/mol
Exact mass
152.047344113 Da
XLogP3
1.7
Topological polar surface area
57.5 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

2',5'-DIHYDROXYACETOPHENONEQuinacetophenoneAcetylhydroquinoneEthanone, 1-(2,5-dihydroxyphenyl)-1-(2,5-dihydroxyphenyl)ethan-1-oneAcetylquinolAcetophenone, 2',5'-dihydroxy-1-Acetyl-2,5-dihydroxybenzene
16 more reported names
2,5-Dihydroxy-1-acetylbenzeneNSC 3759EINECS 207-716-4K1H7QH11ZHBRN 0637903AI3-18221NSC-37592-ACETYL-1,4-BENZENEDIOL4-08-00-01803 (Beilstein Handbook Reference)RefChem:4628642-ACETYLHYDROQUINONE [INCI]207-716-4InChI=1/C8H8O3/c1-5(9)7-4-6(10)2-3-8(7)11/h2-4,10-11H,1H2,5-Dihydroxyacetophenoneghl.PD_Mitscher_leg0.3552', 5'-Dihydroxyacetophenone
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 490-78-8

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How CAS 490-78-8 is used on this site

CAS 490-78-8 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 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 490-78-8 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.