DCU
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DCU
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CAS No:
13698-16-3
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Formula:
C3H5Cl2NO2
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Chemical Name:
DCU
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Synonyms:
Carbamic acid, dichloro-, ethyl ester;Ethyl dichlorocarbamate;N,N-DICHLOROURETHANE;DCU;N,N-DICHLOROURETHANE, TECH., 90%;Ethyl N,N-dichlorocarbamate;N,N-Dichlorourethane,98%;N,N-DichlorourethaneDCU
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CAS No:
Characteristics
29.54000
2.23
Clear yellow Liquid
1.349 g/mL at 25 °C(lit.)
55-56 °C15 mm Hg(lit.)
206 °F
n 20/D 1.46(lit.)
0-6°C
Safety Information
III
8
UN 2810 6.1/PG 3
3
20/21/22-36/37/38-40
26-36/37/39
Xn
P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, P501
H302
|Warning|H302 (97.5%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 40 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
DCU Use and Manufacturing
Derived by chlorination of ethyl carbamate. Stir the ethyl carbamate, sodium acetate, glacial acetic acid and water together, and introduce chlorine gas for reaction. After reaching the end point, the organic layer was separated, washed with 20% brine, distilled under reduced pressure, and collected 74-76°C (2.0kPa) fractions to obtain N, N-dichlorocarbamate with a yield of 80%.
Organic synthesis intermediate.