2-Chloro-N-methyl-3-oxobutanamide
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2-Chloro-N-methyl-3-oxobutanamide
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CAS No:
4116-10-3
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Formula:
C5H8ClNO2
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Chemical Name:
2-Chloro-N-methyl-3-oxobutanamide
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Synonyms:
Butanamide,2-chloro-N-methyl-3-oxo-;Acetoacetamide,2-chloro-N-methyl-;2-Chloro-N-methyl-3-oxobutanamide;N-Methyl-2-chloroacetoacetamide;2-Chloro-N-methylacetoacetamide
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CAS No:
Characteristics
46.2
0.31970
1.188g/cm3
80-81 °C @ Solvent: Carbon tetrachloride
284.1ºC at 760mmHg
125.6ºC
1.447
Oral-rat LD50: 700 mg/kg; Oral-Mouse LD50: 750 mg/kg
Thermal decomposition of toxic nitrogen oxides and chloride gases
Safety Information
III
8
2923
22-24-37/38-41-43
26-28-36/37/39-45
AK3910000
T
Warehouse ventilated, low temperature and dry
P261, P264, P270, P271, P272, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P332+P313, P333+P313, P361, P362, P363, P403+P233, P405, P501
H302
|Danger|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P272, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P332+P313, P333+P313, P361, P362, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 38 companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
2-Chloro-N-methyl-3-oxobutanamide Use and Manufacturing
The preparation method is obtained by chlorination of acetoacetamide. Put the acetoacetamide aqueous solution in the enamel reaction kettle, add the urine brine made of salt and urea, add a small amount of dichloroethane, stir and cool to below -15℃, then slowly pass in chlorine gas, and pass it in a certain amount. After sampling and analysis, it was pumped into the extraction kettle, heated to 40°C, and extracted with dichloroethane. The extract was pumped into the concentration kettle, and dichloroethane was evaporated under normal pressure to obtain α-chloroacetoacetamide. , Can directly enter the synthesis kettle for the next reaction.
Alpha-chloroacetoacetamide is a special intermediate for the insecticide crosophile.
Butanamide, 2-chloro-N-methyl-3-oxo-: ACTIVE
Computed Properties
Molecular Weight:149.57
XLogP3:0.1
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:2
Exact Mass:149.0243562
Monoisotopic Mass:149.0243562
Topological Polar Surface Area:46.2
Heavy Atom Count:9
Complexity:135
Undefined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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2-Chloro-N-methyl-3-oxobutanamide
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