4,5,6,7-Tetrahydro-1H-isoindole-1,3(2H)-dione
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4,5,6,7-Tetrahydro-1H-isoindole-1,3(2H)-dione
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CAS No:
4720-86-9
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Formula:
C8H9NO2
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Chemical Name:
4,5,6,7-Tetrahydro-1H-isoindole-1,3(2H)-dione
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Synonyms:
1H-Isoindole-1,3(2H)-dione,4,5,6,7-tetrahydro-;1-Cyclohexene-1,2-dicarboximide;4,5,6,7-Tetrahydro-1H-isoindole-1,3(2H)-dione;3,4,5,6-Tetrahydrophthalimide;Tetrahydrophthalimide;NSC 293561
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CAS No:
4,5,6,7-Tetrahydro-1H-isoindole-1,3(2H)-dione Basic Attributes
151.16
151.16
225-211-7
4R239Q5JK7
293561
2925190090
Characteristics
46.2
0.7
slight yellow to white crystalline powder
1.3±0.1 g/cm3
170-175 °C (sublm) @ Solvent: Benzene
324.3°C at 760 mmHg
158.1±19.4 °C
1.560
Safety Information
Ⅲ
2811
6.1
P264, P270, P280, P301+P312, P305+P351+P338, P330, P337+P313, P501
H302
|Warning|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P264, P270, P280, P301+P312, P305+P351+P338, P330, P337+P313, and P501|Aggregated GHS information provided by 3 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
4,5,6,7-Tetrahydro-1H-isoindole-1,3(2H)-dione Use and Manufacturing
The preparation method is to add 3, 4, 5, 6-tetrahydrophthalic anhydride and urea into the reactor, stir and heat to about 150°C, slowly and gradually heat up and heat, the reaction is intense, and a large amount of white sublimation is formed. After the reaction is complete, add absolute ethanol after cooling, heat to dissolve, and perform recrystallization to obtain light yellow needle-like crystals, namely 3, 4, 5, 6-tetrahydrophthalimide. 3, 4, 5, 6-tetrahydrophthalic anhydride can also be used as aminating agent for ammoniating with liquid ammonia, ammonium bicarbonate, etc.
Mainly used for intermediates of dyes, medicine, pesticides, etc.
Computed Properties
Molecular Weight:151.16
XLogP3:0.7
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:2
Exact Mass:151.063328530
Monoisotopic Mass:151.063328530
Topological Polar Surface Area:46.2
Heavy Atom Count:11
Complexity:239
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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4,5,6,7-Tetrahydro-1H-isoindole-1,3(2H)-dione
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