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CAS 485-47-2

CAS 485-47-2 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 485-47-2
CAS 485-47-2PubChem CID 10236

Ninhydrin

Ninhydrin is a member of the class of indanones that is indane-1,3-dione bearing two additional hydroxy substituents at position 2. It has a role as a colour indicator and a human metabolite. It is a member of indanones, a ketone hydrate, a beta-diketone and an aromatic ketone. — ChEBI

IUPAC name
2,2-dihydroxyindene-1,3-dione
Molecular formula
C9H6O4
Molecular weight
178.14 g/mol
Exact mass
178.02660867 Da
XLogP3
0.1
Topological polar surface area
74.6 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

Ninhydrin hydrate1,2,3-Indantrione monohydrate2,2-Dihydroxy-1H-indene-1,3(2H)-dione1H-Indene-1,3(2H)-dione, 2,2-dihydroxy-Triketohydrindene hydrate2,2-Dihydroxy-1,3-indandione2,2-Dihydroxy-1,3-indanedione1,2,3-Indantrione, 2-hydrate
16 more reported names
1,3-Indandione, 2,2-dihydroxy-HCL6S9K23ACHEBI:86374Indantrione MonohydrateMonohydrate, IndantrioneRefChem:854157207-618-1Ninhydrine2,2-Dihydroxyindane-1,3-dioneNinhydrin Spray2,2-dihydroxy-2,3-dihydro-1H-indene-1,3-dioneTrioxohydrindene monohydrate2,2-Dihydroxy-1,3-dioxoindanCCRIS 4849EINECS 207-618-1UNII-HCL6S9K23A
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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 485-47-2

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How CAS 485-47-2 is used on this site

CAS 485-47-2 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 485-47-2 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.