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Indane-1,2,3-trione, which reacts readily with nucleophiles (including water). Whereas for most carbonyl compounds, a carbonyl form is more stable than a product of water addition (hydrate), ninhydrin forms a stable hydrate of the central carbon because of the destabilizing effect of the adjacent
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550:. The reaction of ninhydrin with secondary amines gives an iminium salt, which is also coloured, generally being yellow–orange.
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546:(2-(1,3-dioxoindan-2-yl)iminoindane-1,3-dione), the amine must condense to give a
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Except where otherwise noted, data are given for materials in their
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InChI=1S/C9H4O3/c10-7-5-3-1-2-4-6(5)8(11)9(7)12/h1-4H
515:. The compound is the dehydrated derivative of C
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317:338.4 °C (641.1 °F; 611.5 K)
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535:, which is used to reveal fingerprints.
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217:Key: WVZWEMOFSIEEMU-UHFFFAOYSA-N
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481:(at 25 °C , 100 kPa).
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542:To generate the ninhydrin
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571:pubchem.ncbi.nlm.nih.gov
396:Precautionary statements
238:O=C2c1ccccc1C(=O)C2=O
567:"Indan-1,2,3-trione"
17:Indane-1,2,3-trione
497:Indane-1,2,3-trione
289: g·mol
40:Indane-1,2,3-trione
18:
503:with the formula C
485:Infobox references
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539:carbonyl groups.
493:Chemical compound
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370:Hazard statements
170:CompTox Dashboard
95:Interactive image
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501:organic compound
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254:Chemical formula
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479:standard state
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434:P305+P351+P338
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187:DTXSID40239655
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313:Boiling point
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297:white powder
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574:. Retrieved
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54:Identifiers
48:Indanetrione
46:Other names
548:Schiff base
544:chromophore
531:, known as
356:Signal word
307:1.482 g/cm
294:Appearance
247:Properties
597:Triketones
576:4 February
554:References
340:Pictograms
282:Molar mass
106:ChemSpider
82:3D model (
61:CAS Number
37:IUPAC name
533:ninhydrin
462:P403+P233
454:P337+P313
450:P332+P313
430:P304+P340
426:P302+P352
422:P301+P312
331:labelling
135:213-340-1
127:EC Number
591:Category
322:Hazards
71:938-24-9
499:is the
362:Warning
303:Density
287:160.128
145:PubChem
231:SMILES
31:Names
527:C(OH)
206:InChI
158:70309
115:63492
84:JSmol
578:2022
523:(CO)
511:(CO)
470:P501
466:P405
458:P362
446:P330
442:P321
438:P312
418:P280
414:P271
410:P270
406:P264
402:P261
388:H335
384:H319
380:H315
376:H302
329:GHS
175:EPA
148:CID
593::
569:.
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333::
580:.
529:2
525:2
521:4
519:H
517:6
513:3
509:4
507:H
505:6
275:3
272:O
269:4
266:H
263:9
260:C
177:)
173:(
86:)
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