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| CAS No.: | 541-59-3 |
|---|---|
| Name: | Maleimide |
| Molecular Structure: | |
|
|
|
| Formula: | C4H3NO2 |
| Molecular Weight: | 97.0733 |
| Synonyms: | 3-Pyrroline-2,5-dione;AI3-61139;BRN 0106910;CCRIS 3408;Maleic imide;NSC 13684;Pyrrole-2,5-dione;1H-Pyrrole-2,5-dione; |
| EINECS: | 208-787-4 |
| Density: | 1.366 g/cm3 |
| Melting Point: | 91-93 °C(lit.) |
| Boiling Point: | 244.073 °C at 760 mmHg |
| Flash Point: | 136.574 °C |
| Solubility: | soluble in water |
| Appearance: | slight yellow crystalline powder |
| Hazard Symbols: |
 T, C
|
| Risk Codes: | 25-34-43-36/37/38 |
| Safety: | 26-36/37/39-45-28-7/9 |
| Transport Information: | UN 2923 8/PG 2 |
| PSA: | 46.17000 |
| LogP: | -0.47220 |
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maleiimide
| Conditions | Yield |
|---|---|
| With triethylamine In N,N-dimethyl-formamide | 97% |
| Conditions | Yield |
|---|---|
| With formamide In neat (no solvent) for 0.5h; Reagent/catalyst; Milling; Heating; Green chemistry; | 93% |
| With 2-butenedioic acid at 100℃; for 20h; Inert atmosphere; | 65% |
| In methanol; o-xylene |
| Conditions | Yield |
|---|---|
| In chloroform-d1 Product distribution; Irradiation; photochemical reactivity; | A 83% B n/a |
- 79887-86-8
O-i-propylmaleimide
- 541-59-3
maleiimide
| Conditions | Yield |
|---|---|
| In chloroform-d1 Product distribution; Irradiation; photochemical reactivity; | 80% |
- 55750-48-6
N-methoxycarbonylmaleimide
- 541-59-3
maleiimide
| Conditions | Yield |
|---|---|
| With sodium hydrogencarbonate | 60% |
| Conditions | Yield |
|---|---|
| In acetonitrile | 36% |
- 67-56-1
methanol
- 22112-79-4
meso-5,10,15,20-tetra(3-hydroxyphenyl)porphine
A
- 541-59-3
maleiimide
B
- 19438-10-9
methyl 3-hydroxybenzoate
| Conditions | Yield |
|---|---|
| With air for 140h; Product distribution; Photolysis; | A 1.1% B 2.5% C 5% |
| Conditions | Yield |
|---|---|
| With air; water for 23h; Product distribution; Photolysis; | A 1.2% B 0.6% C 1.5% D n/a |
| Conditions | Yield |
|---|---|
| With iodine; oxygen; silica gel at 500 - 700℃; |
| Conditions | Yield |
|---|---|
| With chromium(III) oxide; sulfuric acid | |
| With sodium dichromate; sulfuric acid; water |
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Chemistry
IUPAC Name: Pyrrole-2,5-dione
Synonyms of Maleimide (CAS NO.541-59-3): 3-Pyrroline-2,5-dione ; 5-21-10-00003 (Beilstein Handbook Reference) ; AI3-61139 ; BRN 0106910 ; CCRIS 3408 ; EINECS 208-787-4 ; Maleic imide ; Maleinimide ; NSC 13684 ; Pyrrole-2,5-dione ; 1H-Pyrrole-2,5-dione
CAS NO: 541-59-3
Classification Code: Reproductive Effect
Molecular Formula of Maleimide (CAS NO.541-59-3): C4H3NO2
Molecular Weight: 97.0721
Molecular Structure:
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Melting Point: 91-93 °C
Polar Surface Area: 37.38 Å2
Index of Refraction: 1.521
Molar Refractivity: 21.65 cm3
Molar Volume: 71 cm3
Surface Tension: 47.7 dyne/cm
Density of Maleimide (CAS NO.541-59-3): 1.366 g/cm3
Flash Point: 136.6 °C
Enthalpy of Vaporization: 48.11 kJ/mol
Boiling Point: 244.1 °C at 760 mmHg
Vapour Pressure: 0.031 mmHg at 25°C
Uses
Maleimide (CAS NO.541-59-3) is used as flexible linking molecules to reinforce rubber.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 7766ug/kg (7.766mg/kg) | Archives of Toxicology. Vol. 37, Pg. 15, 1976. | |
| mouse | LD50 | intravenous | 9mg/kg (9mg/kg) | SENSE ORGANS AND SPECIAL SENSES: HEMORRHAGE: EYE BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Biochemical Pharmacology. Vol. 27, Pg. 151, 1978. |
| mouse | LD50 | oral | 80mg/kg (80mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 40(11), Pg. 109, 1975. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes: 
T,
C
Risk Statements: 25-34-43-36/37/38
R25: Toxic if swallowed.
R34: Causes burns.
R43: May cause sensitization by skin contact.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39-45-28-7/9
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S28: After contact with skin, wash immediately with plenty of soap-suds.
S7: Keep container tightly closed.
S9: Keep container in a well-ventilated place.
RIDADR: UN 2923 8/PG 2
WGK Germany: 3
RTECS: ON4800000
HazardClass: 8
PackingGrou:p III
HS Code: 29251995
Poison by intraperitoneal and intravenous routes. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx.