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CAS No.: | 485-47-2 |
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Name: | Ninhydrin hydrate |
Article Data: | 82 |
Molecular Structure: | |
Formula: | C9H6O4 |
Molecular Weight: | 178.144 |
Synonyms: | 1,3-Indandione,2,2-dihydroxy- (8CI);1H-Indene-1,2,3-trione, 2-hydrate;2,2-Dihydroxy-1,3-dioxoindan;2,2-Dihydroxy-1,3-indandione;2,2-Dihydroxy-1H-indene-1,3(2H)-dione;2,3-Dihydro-2,2-dihydroxy-1,3-dioxo-1H-indene;Indane-1,2,3-trione monohydrate;Triketohydrindene hydrate; |
EINECS: | 207-618-1 |
Density: | 1.714 g/cm3 |
Melting Point: | 250 °C (dec.)(lit.) |
Boiling Point: | 449.3 °C at 760 mmHg |
Flash Point: | 239.7 °C |
Solubility: | 0.1-0.5 g/100 mL at 20 °C in water |
Appearance: | White to pale yellow crystalline powder |
Hazard Symbols: | Xn, T, F |
Risk Codes: | 22-36/37/38-39/23/24/25-20/21/22-11 |
Safety: | 26-28A-45-16 |
Transport Information: | UN 1170 3/PG 2 |
PSA: | 74.60000 |
LogP: | -0.25350 |
Conditions | Yield |
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With N-Bromosuccinimide; dimethyl sulfoxide Ambient temperature; | 94% |
With oxygen; Sensitox; tetrabutyl ammonium fluoride In chloroform for 3h; Irradiation; | 75% |
With polymer bound rose bengal; tetrabutyl ammonium fluoride; oxygen In chloroform at 0℃; for 3h; Irradiation; | 75% |
Multi-step reaction with 2 steps 1: alcohol 2: diluted sulfuric acid View Scheme |
Conditions | Yield |
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With N-Bromosuccinimide; dimethyl sulfoxide Ambient temperature; | 85% |
With selenium(IV) oxide; water In 1,4-dioxane at 180℃; for 0.0833333h; Temperature; Sealed tube; Microwave irradiation; | 84% |
Conditions | Yield |
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With N-Bromosuccinimide; dimethyl sulfoxide Ambient temperature; | 82% |
2,2-diethoxy-1H-indene-1,3(2H)-dione
indan-1,2,3-trione hydrate
Conditions | Yield |
---|---|
With sulfuric acid In ethanol at 40℃; for 2h; | 82% |
2,2-dimethoxy-1,3-indanedione
indan-1,2,3-trione hydrate
Conditions | Yield |
---|---|
With sulfuric acid In ethanol at 40℃; for 2h; | 82% |
Conditions | Yield |
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With water; nitric acid In chloroform at -5 - 0℃; for 0.166667h; | 80% |
A
indan-1,2,3-trione hydrate
B
2-hydroxy-2-(2-oxo-2-phenylethyl)-1H-indene-1,3(2H)-dione
Conditions | Yield |
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In water for 12h; | A n/a B 68% |
β-bromoindenone
indan-1,2,3-trione hydrate
Conditions | Yield |
---|---|
With bromine; dimethyl sulfoxide In benzene for 6h; Heating; | 60% |
1-methyl-4-nitrosobenzene
isonaphthazarine
A
indan-1,2,3-trione hydrate
B
phthalonic acid
C
benzene-1,2-dicarboxylic acid
D
phthalide-3-carboxylic acid
Conditions | Yield |
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Produkt 5:Hydrindantin; |
Conditions | Yield |
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Erwaermen; |
1. | orl-rat LDLo:250 mg/kg | NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. 5 (1953),28. | ||
2. | ipr-mus LD50:78 mg/kg | CRSBAW Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. 151 (1957),719. |