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Cas Database

Name	Succinimide	EINECS	204-635-6
CAS No.	123-56-8	Density	1.274 g/cm³
PSA	46.17000	LogP	-0.24820
Solubility	Soluble in water and ethanol. Insoluble in ether and chloroform.	Melting Point	123-125°C
Formula	C₄H₅NO₂	Boiling Point	288 °C at 760 mmHg
Molecular Weight	99.0892	Flash Point	160 °C
Transport Information	N/A	Appearance	A white crystalline powder
Safety	22-24/25-36-26	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	dihydro-3-pyrroline-2,5-dione;Butanimide;2, 5-Dioxopyrrolidine;Lubrizol 6406;Succinic imide;2,4,6-Trichlorophenyl hydrazine;Succinic acid imide;pyrrolidine-2,5-dione;L 113B;2,5-dioxopyrrolidine;2,5-Pyrrolidinedione;3, 4-Dihydropyrrolidine;3,4-dihydropyrrole-2,5-dione;Succinimide-Sauba;2,5-Diketopyrrolidine;	Article Data	310

Succinimide Synthetic route

: 541-59-3
maleiimide

: 123-56-8
Succinimide

Conditions

Conditions	Yield
With acetic anhydride; zinc In toluene at 40 - 86℃; for 48h; Inert atmosphere; chemoselective reaction;	100%
With sulfuric acid In water for 5h; Electrochemical reaction; Flow reactor; chemoselective reaction;	96%
With palladium diacetate; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In dichloromethane at 25℃; for 12h; Sealed tube; Inert atmosphere; chemoselective reaction;	96%

: 110-89-4
piperidine

A: 123-56-8
Succinimide

B: 25116-80-7
N,N'-thiodipiperidine

C: 6091-44-7
piperidine hydrochloride

Conditions

Conditions	Yield
With N-chlorothiophthalimide In 1,2-dichloro-ethane at 20 - 25℃; for 2h;	A n/a B 77% C 100%

: 24434-16-0
2,5-diphenyl-2,5-hexanediol

A: 123-56-8
Succinimide

B: 98-86-2
acetophenone

Conditions

Conditions	Yield
With N-iodo-succinimide In benzene for 6h; Product distribution; Irradiation; varying reaction time;	A 99% B 100%

: 70289-38-2
4-Chloro-1-(4-isopropyl-phenyl)-butan-1-one

A: 123-56-8
Succinimide

B: 169280-04-0
1-[4-(1-Bromo-1-methyl-ethyl)-phenyl]-4-chloro-butan-1-one

Conditions

Conditions	Yield
With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane at 20 - 90℃; for 0.75h; Heating / reflux; Irradiation;	A n/a B 100%

: NiCH2CH2CONH(P(C6H11)3)

A: 123-56-8
Succinimide

B: 18475-08-6
(tricyclohexylphosphane)Ni(0)(CO)3

Conditions

Conditions	Yield
With carbon monoxide In diethyl ether N2 or Ar, stirred for 3 h; filtered; IR, NMR, GC;	A 100% B n/a

: 84839-03-2
dibutyldisuccinimidostannane

A: 123-56-8
Succinimide

B: 683-18-1
dibutyltin chloride

Conditions

Conditions	Yield
With hydrogenchloride In methanol passing gaseous HCl through Sn-compd. suspn. at room temp. until ppt. dissolved; soln. evapn. to dryness at room temp., Sn-compd. isolation on residue extn. (hexane);	A 100% B 96%

: 616-45-5
2-pyrrolidinon

: 123-56-8
Succinimide

Conditions

Conditions	Yield
With 3,3-dimethyldioxirane In acetone at 0 - 25℃; for 48h;	99%
With oxygen; titanium(IV) oxide In water for 10h; Product distribution; Irradiation; other time, photocatalytic oxidations of lactams and N-acylamines;
With ruthenium(VIII)-oxide

: 110-03-2
2,5-dimethyl-2,5-hexanediol

A: 123-56-8
Succinimide

B: 67-64-1
acetone

Conditions

Conditions	Yield
With N-iodo-succinimide In benzene for 0.916667h; Product distribution; Mechanism; Irradiation; varying reaction time;	A 88% B 99%

: 14204-24-1
N-(phenylthio)succinimide

: 762-04-9, 123-22-8
Diethyl phosphonate

A: 123-56-8
Succinimide

B: 1889-58-3
O,O-diethyl S-phenyl phosphorothioate

Conditions

Conditions	Yield
In benzene for 20h; Ambient temperature;	A n/a B 99%

: 98-79-3
L-Pyroglutamic acid

: 123-56-8
Succinimide

Conditions

Conditions	Yield
With ammonium peroxydisulfate; silver nitrate In water at 20℃; for 2h; Reagent/catalyst; Temperature;	99%
With iodosylbenzene In dichloromethane for 48h; Ambient temperature;	27%

Succinimide Chemical Properties

Molecular Structure of Succinimide (CAS NO.123-56-8):

IUPAC Name: pyrrolidine-2,5-dione
Empirical Formula: C₄H₅NO₂
Molecular Weight: 99.088
Index of Refraction: 1.479
Surface Tension: 43 dyne/cm
Density: 1.274 g/cm³
Flash Point: 160 °C
Enthalpy of Vaporization: 52.72 kJ/mol
Boiling Point: 288 °C at 760 mmHg
Vapour Pressure: 0.0024 mmHg at 25°C
Synonyms of Succinimide (CAS NO.123-56-8): Butanimide ; 2,5-diketopyrrolidene ; 2,5-diketopyrrolidine ; 2,5-pyrrolidinedione ; 2,5-dioxopyrrolidine ; si;succinic imide

Succinimide Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Source
mouse	LD50	intravenous	320mg/kg (320mg/kg)	U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#03763,
mouse	LD50	oral	11gm/kg (11000mg/kg)	United States Patent Document. Vol. #3639606,
rat	LD50	oral	14gm/kg (14000mg/kg)	Medicamentos de Actualidad. Vol. 10, Pg. 224, 1974.

Succinimide Consensus Reports

Reported in EPA TSCA Inventory.

Succinimide Safety Profile

Hazard Codes Irritant Xi
Risk Statements 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements 22-24/25-36-26
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
S36:Wear suitable protective clothing.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

Succinimide Specification

Bronopol (CAS NO.52-51-7) is a white crystalline powder,can be used as analytical reagent for the synthesis of drugs and raw materials.it derived from the reaction of succinic acid and ammonia.

The main process is the acid and water during tung ammonia reaction to produce succinimide. Succinic acid can also be put through dropping ammonia to dissolve and react, then heated to 102 ℃ steam to water, further vacuum distillation, when heated to 180 ℃, started to collect fraction succinimide , that was finished.

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