-
Name
METHYLENE DIURETHANE
- EINECS
- CAS No. 3693-53-6
- Article Data25
- CAS DataBase
- Density 1.127g/cm3
- Solubility
- 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
- Appearance
- 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
- PSA 76.66000
- LogP 1.21790
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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