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Basic Information
| CAS No.: | 485-47-2 |
|---|---|
| Name: | Ninhydrin hydrate |
| 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 |
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Synthetic route
Conditions
| Conditions | Yield |
|---|---|
| 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
| Conditions | Yield |
|---|---|
| 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
| Conditions | Yield |
|---|---|
| With N-Bromosuccinimide; dimethyl sulfoxide Ambient temperature; | 82% |
- 20847-51-2
2,2-diethoxy-1H-indene-1,3(2H)-dione
- 485-47-2
indan-1,2,3-trione hydrate
Conditions
| Conditions | Yield |
|---|---|
| With sulfuric acid In ethanol at 40℃; for 2h; | 82% |
- 65299-21-0
2,2-dimethoxy-1,3-indanedione
- 485-47-2
indan-1,2,3-trione hydrate
Conditions
| Conditions | Yield |
|---|---|
| With sulfuric acid In ethanol at 40℃; for 2h; | 82% |
Conditions
| Conditions | Yield |
|---|---|
| With water; nitric acid In chloroform at -5 - 0℃; for 0.166667h; | 80% |
A
- 485-47-2
indan-1,2,3-trione hydrate
B
- 70780-36-8
2-hydroxy-2-(2-oxo-2-phenylethyl)-1H-indene-1,3(2H)-dione
Conditions
| Conditions | Yield |
|---|---|
| In water for 12h; | A n/a B 68% |
- 90271-93-5
β-bromoindenone
- 485-47-2
indan-1,2,3-trione hydrate
Conditions
| Conditions | Yield |
|---|---|
| With bromine; dimethyl sulfoxide In benzene for 6h; Heating; | 60% |
- 623-11-0
1-methyl-4-nitrosobenzene
- 605-37-8
isonaphthazarine
A
- 485-47-2
indan-1,2,3-trione hydrate
B
- 528-46-1
phthalonic acid
C
- 88-99-3
benzene-1,2-dicarboxylic acid
D
- 708-14-5, 62283-01-6, 99266-05-4
phthalide-3-carboxylic acid
Conditions
| Conditions | Yield |
|---|---|
| Produkt 5:Hydrindantin; |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| Erwaermen; |
Raw Materials
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Ninhydrin hydrate
Chemistry
Synonyms:1,2,3-INDANTOINE, MONOHYDRATE;1,2,3-INDANTRIONE;1,2,3-TRIKETOHYDRINDENE MONOHYDRATE;1,2,3-TRIKETOHYDRINDEN HYDRATE;1,2,3-TRIKETOHYDRINDENE;1,2,3-TRIKETOHYDRINDENE 2-HYDRATE;1,2,3-TRIKETOHYDRINDENE HYDRATE;1,2,3-INDANETRIONE MONOHYDRATE;
The Molecular formula of Ninhydrin hydrate hydrate(485-47-2): C9H6O4
The Molecular Weight of Ninhydrin hydrate hydrate(485-47-2): 178.14
Molecular Structure :
EINECS: 207-618-1
Melting point:250 °C (dec.)(lit.)
density:0.862
Flash point:13 °C
storage temp.:Store at RT.
Water Solubility:0.1-0.5 g/100 mL at 20 oC
Sensitive:Light Sensitive
Appearance: White to pale yellow crystalline powder
The Molecular formula of Ninhydrin hydrate hydrate(485-47-2): C9H6O4
The Molecular Weight of Ninhydrin hydrate hydrate(485-47-2): 178.14
Molecular Structure :
EINECS: 207-618-1
Melting point:250 °C (dec.)(lit.)
density:0.862
Flash point:13 °C
storage temp.:Store at RT.
Water Solubility:0.1-0.5 g/100 mL at 20 oC
Sensitive:Light Sensitive
Appearance: White to pale yellow crystalline powder
Toxicity Data With Reference
| 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. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Poison by ingestion and intraperitoneal routes. When heated to decomposition it emits acrid smoke and fumes.
The Hazard Codes of Ninhydrin hydrate hydrate(485-47-2):
Xn, 
T, 
F
The Risk Statements information of Ninhydrin hydrate hydrate(485-47-2):
11: Highly Flammable
22: Harmful if swallowed
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
36/37/38: Irritating to eyes, respiratory system and skin
39/23/24/25: Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
The Safety Statements information of Ninhydrin hydrate hydrate(485-47-2):
16: Keep away from sources of ignition - No smoking
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
RIDADR:UN 1170 3/PG 2
WGK Germany:3
RTECS:NK5425000
F:8
The Hazard Codes of Ninhydrin hydrate hydrate(485-47-2):
Xn, T, F The Risk Statements information of Ninhydrin hydrate hydrate(485-47-2):
11: Highly Flammable
22: Harmful if swallowed
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
36/37/38: Irritating to eyes, respiratory system and skin
39/23/24/25: Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
The Safety Statements information of Ninhydrin hydrate hydrate(485-47-2):
16: Keep away from sources of ignition - No smoking
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
RIDADR:UN 1170 3/PG 2
WGK Germany:3
RTECS:NK5425000
F:8