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Cas Database |
| Name |
Methylene diurethan |
EINECS | N/A |
| CAS No. | 3693-53-6 | Density | 1.127g/cm3 |
| PSA | 76.66000 | LogP | 1.21790 |
| Solubility | N/A | Melting Point |
130-131°C |
| Formula | C7H14 N2 O4 | Boiling Point | 326.2°Cat760mmHg |
| Molecular Weight | 190.199 | Flash Point | 151.1°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of NOx. See also CARBAMATES. | Risk Codes | 40 |
| Molecular Structure |
|
Hazard Symbols | R40:Possible risks of irreversible effects.; |
| Synonyms |
Carbamicacid, methylenebis-, diethyl ester (9CI); Carbamic acid, methylenedi-, diethylester (6CI,7CI,8CI); Bis(N-ethoxycarbonylamino)methane; Diethylmethylenedicarbamate; Methylene bisurethane; Methylenediurethane; NSC 20524 |
Article Data | 25 |
Methylene diurethan Chemical Properties
IUPAC Name: Ethyl N-[(ethoxycarbonylamino)methyl]carbamate
Synonyms of Methylene diurethan (CAS NO.3693-53-6): Bis(N-ethoxycarbonylamino)methane ; Diethyl methylenebiscarbamate ; Diethyl methylenedicarbamate ; Methylene bisurethane ; Methylene diurethane ; N,N-Methylene-bis(ethyl carbamate) ; Carbamic acid, methylenebis-, diethyl ester (9CI) ; Diethyl methylenedicarbamate
CAS NO: 3693-53-6
Molecular Formula: C7H14N2O4
Molecular Weight : 190.1971
Molecular Structure: 
EINECS: 223-011-4
H bond acceptors: 6
H bond donors: 2
Freely Rotating Bonds: 6
Polar Surface Area: 59.08Å2
Index of Refraction: 1.448
Molar Refractivity: 45.21 cm3
Molar Volume: 168.6 cm3
Surface Tension: 37 dyne/cm
Density: 1.127 g/cm3
Flash Point: 151.1 °C
Enthalpy of Vaporization: 56.84 kJ/mol
Boiling Point: 326.2 °C at 760 mmHg
Vapour Pressure: 0.000219 mmHg at 25°C
Melting Point: 130-131°C
Methylene diurethan Toxicity Data With Reference
| 1. | ipr-mus TDLo:6500 mg/kg/13W-I:ETA | JNCIAM Journal of the National Cancer Institute. 9 (1948),35. |
Methylene diurethan Safety Profile
Risk Statements: 40
R40: Limited evidence of a carcinogenic effect.
Safety Statements : 22-36/37
S22: Do not breathe dust.
S36/37: When Methylene diurethan (CAS NO.3693-53-6) is used,wear suitable protective clothing and gloves.
RTECS: FC2200000
Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of NOx. See also CARBAMATES.
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