Hydrindantin

Hydrindantin is an organic chemical thought to be involved with the ninhydrin test for amines.^[2]

Hydrindantin

Names
Preferred IUPAC name 2,2′-Dihydroxy-1H,1′H-[2,2′-biindene]-1,1′,3,3′(2H,2′H)-tetrone
Other names Hydrindantin
Identifiers
CAS Number	5103-42-4 Y
3D model (JSmol)	Interactive image
ChemSpider	19920 N
ECHA InfoCard	100.023.476
PubChem CID	21183
UNII	P469P1DDC0 Y
CompTox Dashboard (EPA)	DTXSID8063701
InChI InChI=1S/C18H10O6/c19-13-9-5-1-2-6-10(9)14(20)17(13,23)18(24)15(21)11-7-3-4-8-12(11)16(18)22/h1-8,23-24H N Key: LWFPYLZOVOCBPZ-UHFFFAOYSA-N N InChI=1/C18H10O6/c19-13-9-5-1-2-6-10(9)14(20)17(13,23)18(24)15(21)11-7-3-4-8-12(11)16(18)22/h1-8,23-24H Key: LWFPYLZOVOCBPZ-UHFFFAOYAY
SMILES O=C2c1ccccc1C(=O)C2(O)C4(O)C(=O)c3ccccc3C4=O
Properties
Chemical formula	C18H10O6
Molar mass	322.268 g/mol
Density	4.44 g/cm3
Melting point	decomposes at 250 °C[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

References

1. Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, Florida: CRC Press, pp. 3–314, ISBN 0-8493-0594-2
2. Lamothe, Paul J.; McCormick, Patrick G. (1973). "Role of hydrindantin in the determination of amino acids using ninhydrin". Anal. Chem. 45 (11): 1906–1911. doi:10.1021/ac60333a021. PMID 4756747.