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| CAS No.: | 496-46-8 |
|---|---|
| Name: | Glycoluril |
| Article Data: | 37 |
| Molecular Structure: | |
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|
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| Formula: | C4H6N4O2 |
| Molecular Weight: | 142.117 |
| Synonyms: | Glycoluril(6CI,7CI,8CI);Acetylene carbamide;Acetylenediurea;Acetylenediureine;Acetyleneurea;Diurea glyoxalate;Glyoxalbiuret;Glyoxaldiureine;Imidazo[4,5-d]imidazole-2,5(1H,3H)-dione,tetrahydro-;Tetrahydroimidazo[4,5-d]imidazole-2,5(1H,3H)-dione;Tetrahydroimidazo[4,5-d]imidazole-2,5-dione; |
| EINECS: | 207-821-5 |
| Density: | 1.42 g/cm3 |
| Melting Point: | >300 °C(lit.) |
| Boiling Point: | 861.601 °C at 760 mmHg |
| Flash Point: | 421.795 °C |
| Solubility: | 1.8g/L at 20℃ |
| Appearance: | white to very slightly yellow crystalline powder |
| Hazard Symbols: | Xn |
| Risk Codes: | 22 |
| Safety: | 24/25 |
| PSA: | 82.26000 |
| LogP: | -0.42060 |
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| Conditions | Yield |
|---|---|
| With sodium hydrogencarbonate In water at 40 - 60℃; under 760.051 Torr; for 6h; pH=5.5 - 6.1; Reagent/catalyst; Sealed tube; | A 99.3% B n/a |
- 496-46-8
glycoluril
| Conditions | Yield |
|---|---|
| With tetrabromoglycoluril In ethanol at 40℃; for 0.25h; Reagent/catalyst; Green chemistry; | 96% |
| Conditions | Yield |
|---|---|
| With sulfuric acid In water at 90℃; for 12h; | 92% |
| With sulfuric acid In water at 70 - 80℃; for 1h; | 88% |
| With sulfuric acid In water at 75℃; for 1h; | 88% |
| Conditions | Yield |
|---|---|
| With hydrogenchloride In water for 3h; Reflux; | A n/a B 80% |
| Conditions | Yield |
|---|---|
| With sodium amalgam; sulfuric acid |
| Conditions | Yield |
|---|---|
| With water |
| Conditions | Yield |
|---|---|
| With hydrogenchloride |
- 496-46-8
glycoluril
| Conditions | Yield |
|---|---|
| With water |
| Conditions | Yield |
|---|---|
| With hydrogenchloride; water ueber den Schmelzpunkt; |
- 496-46-8
glycoluril
- 108-24-7
acetic anhydride
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2,4,6,8-tetraacetyl-2,4,6,8-tetraazabicyclo<3,3,0>octan-3,7-dione
| Conditions | Yield |
|---|---|
| With phosphoric acid at 140℃; for 0.5h; Reagent/catalyst; | 98% |
| With sodium acetate at 140℃; for 4h; | 88% |
| With sodium acetate for 4h; Heating; | 88% |
| With perchloric acid In water at 20℃; Cooling with ice; | 80% |
| Acidic conditions; |
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Chemistry
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IUPAC Name: 1,3,3a,4,6,6a-Hexahydroimidazo[4,5-d]imidazole-2,5-dione
Molecular Formula: C4H6N4O2
Molecular Weight: 142.12 g/mol
SMILES: C12C(NC(N1)=O)NC(N2)=O
InChI: InChI=1/C4H6N4O2/c9-3-5-1-2(7-3)8-4(10)6-1/h1-2H,(H2,5,7,9)(H2,6,8,10)
EINECS: 207-821-5
Product Categories: Heterocyclic Compounds
Melting Point: >300 °C(lit.)
Index of Refraction: 1.514
Molar Refractivity: 30.15 cm3
Molar Volume: 100 cm3
Polarizability: 11.95×10-24 cm3
Surface Tension: 39.1 dyne/cm
Density: 1.42 g/cm3
Flash Point: 421.8 °C
Enthalpy of Vaporization: 125.21 kJ/mol
Boiling Point: 861.6 °C at 760 mmHg
Vapour Pressure of Glycoluril (CAS NO.496-46-8): 4.61E-30 mmHg at 25 °C
Safety Profile
Safety Statements: 24/25
S24/25:Avoid contact with skin and eyes.
WGK Germany of Glycoluril (CAS NO.496-46-8): 1
Specification
Glycoluril (CAS NO.496-46-8), its Synonyms are Acetylene carbamide ; Acetylenediurea ; Acetylenediureine ; Diurea glyoxalate ; Glyoxalbiuret ; Glyoxaldiureine ; Glyoxaldiurene ; Tetrahydroimidaz(d)imidazole-2,5(1H,3H)-dione ; Glycoluril (8CI) ; Imidazo(4,5-d)imidazole-2,5(1H,3H)-dione, tetrahydro- ; Perhydroimidazo(4,5-d)imidazole-2,5-dione . It is white to very slightly yellow crystalline powder.