N-Ethyl-N-methylcarbamic chloride
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N-Ethyl-N-methylcarbamic chloride
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CAS No:
42252-34-6
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Formula:
C4H8ClNO
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Chemical Name:
N-Ethyl-N-methylcarbamic chloride
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Synonyms:
Carbamic chloride,N-ethyl-N-methyl-;Carbamic chloride,ethylmethyl-;N-Ethyl-N-methylcarbamic chloride;N-Ethyl-N-methylcarbamoyl chloride;N-Methyl-N-ethylcarbamyl chloride;Ethylmethylcarbamoyl chloride;Ethyl(methyl)carbamic chloride
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CAS No:
N-Ethyl-N-methylcarbamic chloride Basic Attributes
121.56500
121.57
610-003-4
DTXSID60459696
2903199000
Characteristics
20.31000
1.2
1.101 g/cm3
88-89 °C @ Press: 40 Torr
53.7ºC
1.441
Refrigerator, Under Inert Atmosphere
Safety Information
P201, P202, P260, P261, P264, P270, P271, P280, P281, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P310, P312, P321, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501
H302
|Danger|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P201, P202, P260, P261, P264, P270, P271, P272, P280, P281, P284, P301+P312, P302+P352, P304+P340, P305+P351+P338, P308+P313, P310, P312, P320, P321, P330, P332+P313, P333+P313, P337+P313, P362, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 5 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H302 (20%): Harmful if swallowed [Warning Acute toxicity, oral]|P201, P202, P260, P261, P264, P270, P271, P280, P281, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P310, P312, P321, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 31 companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
N-Ethyl-N-methylcarbamic chloride Use and Manufacturing
A solution of ethyl methyl amine (10Og, 1.69mol) in dichloromethane (1.51) is added dropwise to a slurry of sodium bicarbonate (284g, 3.384mol) and triphosgene (332g, 1.117mol) in dichloromethane (21) at 10-15°C over 2 hours. The reaction mixture is stirred at room temperature for 3 hours. The reaction mass is filtered to remove sodium chloride and the filtrate is concentrated under vacuum to give 189g of ethyl methyl carbamoyl chloride as a light yellow oil (yield: 92percent). The process of was repeated but the solvent was changed to dichloromethane. The other conditions were similar. The results are provided in Table 2 below.Table 2The yield was found to be consistent at greater than 98percent.Procedure A: Synthesis of carbamoyl chlorides. To triphosgene (9.13 mmol) in dry CH
Computed Properties
Molecular Weight:121.56
XLogP3:1.2
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:1
Exact Mass:121.0294416
Monoisotopic Mass:121.0294416
Topological Polar Surface Area:20.3
Heavy Atom Count:7
Complexity:74.1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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N-Ethyl-N-methylcarbamic chloride
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