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Cas Database

Name	Tetrahydrophthalimide	EINECS	201-602-8
CAS No.	85-40-5	Density	1.228
PSA	46.17000	LogP	0.55400
Solubility	12.2g/L at 20℃	Melting Point	132-140 ºC
Formula	C8H9 N O2	Boiling Point	337 ºC
Molecular Weight	151.165	Flash Point	165 ºC
Transport Information	N/A	Appearance	white crystalline powder
Safety	Experimental reproductive effects. When heated to decomposition it emits toxic vapors of NO_x.	Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	4-Cyclohexene-1,2-dicarboximide(6CI,7CI,8CI); 1,2,3,6-Tetrahydrophthalimide;3a,4,7,7a-Tetrahydro-1H-isoindole-1,3(2H)-dione;3a,4,7,7a-Tetrahydroisoindole-1,3-dione; NSC 59011; Tetrahydrophthalic acidimide; Tetrahydrophthalimide; D4-Tetrahydrophthalimide	Article Data	15

Tetrahydrophthalimide Synthetic route

: 2028-12-8
4-cyclohexene 1-carboxylic acid 2-carboxamide

: 85-40-5
1,2,3,6-tertahydrophthalimide

Conditions

Conditions	Yield
In 1,3,5-trimethyl-benzene at 170℃; for 2.5h; Temperature; Solvent; Large scale;	95%

: 85-43-8
1,2,3,6-Tetrahydrophthalic anhydride

: 85-40-5
1,2,3,6-tertahydrophthalimide

Conditions

Conditions	Yield
With choline chloride; urea at 140℃; for 1h; Green chemistry;	81%
With complex<3THFMg2Cl2OTiNCO>6 In pyridine Heating; Yield given;

anhydride or dicarboxylic acid: anhydride or dicarboxylic acid

: 85-40-5
1,2,3,6-tertahydrophthalimide

Conditions

Conditions	Yield
With ammonia at 180℃;	74%

: 42027-93-0
N-Hydroxymethyl-cis-4-cyclohexene-1,2-dicarboximide

: 85-40-5
1,2,3,6-tertahydrophthalimide

Conditions

Conditions	Yield
at 100℃; Substitution; Thermolysis;

: 85-40-5
1,2,3,6-tertahydrophthalimide

: 83809-94-3
1,10-bis(methoxymethyl)-1,10-diaza-18-crown-6

: 91043-68-4
C30H44N4O8

Conditions

Conditions	Yield
In benzene reflux; 20 deg C, 2 h;	99%

: 85-40-5
1,2,3,6-tertahydrophthalimide

: 75-87-6
chloral

: N-(1-Hydroxy-2,2,2-trichloroethyl)-cis-4-cyclohexene-1,2-dicarboximide

Conditions

Conditions	Yield
In ethanol for 2.5h; Addition; Heating;	99%

: 109-65-9
1-bromo-butane

: 85-40-5
1,2,3,6-tertahydrophthalimide

: 2021-19-4
2-butyl-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione

Conditions

Conditions	Yield
With 18-crown-6 ether; potassium carbonate In acetone for 24h; Ambient temperature;	97%

: 85-40-5
1,2,3,6-tertahydrophthalimide

: 2555-11-5
octahydro-1H-isoindol-1-one

Conditions

Conditions	Yield
With [Ru4H6(p-cumene)4]Cl2; hydrogen In water at 90℃; under 45003.6 Torr; for 22h;	97%

: 85-40-5
1,2,3,6-tertahydrophthalimide

: 54512-75-3
1-bromo-5-chloropentane

: 929224-25-9
2-(5-chloropentyl)-3a,4,7,7a-tetrahydro-isoindole-1,3-dione

Conditions

Conditions	Yield
With potassium carbonate In acetone at 20℃; for 60h;	92%

: 85-40-5
1,2,3,6-tertahydrophthalimide

: 928-96-1
(Z)-3-Hexen-1-ol

: 82478-58-8
((Z)-2-Hex-3-enyl)-3a,4,7,7a-tetrahydro-isoindole-1,3-dione

Conditions

Conditions	Yield
With dimethyl azodicarboxylate; triphenylphosphine In tetrahydrofuran Ambient temperature; overnight;	90%

Tetrahydrophthalimide Chemical Properties

IUPAC Name: 3A,4,7,7A-Tetrahydroisoindole-1,3-dione (85-40-5)
Synonyms: 3A,4,7,7A-Tetrahydro-1h-isoindole-3(2h)-dione ; 3A,4,7,7A-tetrahydro-isoindole-3-dione ; 3-Alpha,4,7,7-alpha-tetrahydro-1h-isoindole-3(2h)-dione ; Delta(4)-tetrahydrophthalimide ; Delta(sup4)-tetrahydrophthalimide ; Tetrahydrophthalimide ; 4-Cyclohexene-1,2-dicarboximide ; 1,2,3,6-Tetrahydrophthalimide
CAS: 85-40-5
MF: C₈H₉NO₂
MW: 151.16
MS:
EINECS: 201-602-8
Product Categories:
Mol File: 85-40-5.mol
Surface Tension: 42.1 dyne/cm
Density: 1.228 g/cm³
Flash Point: 165 °C
Melting point: 132-140°C
Enthalpy of Vaporization: 57.99 kJ/mol
Boiling Point: 336.8 °C at 760 mmHg
Vapour Pressure: 0.00011 mmHg at 25°C

Tetrahydrophthalimide Consensus Reports

Reported in EPA TSCA Inventory.

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