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1966-58-1

1966-58-1 Structure

1966-58-1 Structure
IdentificationBack Directory
[Name]

3,4-dichlorobenzyl methylcarbamate
[CAS]

1966-58-1
[Synonyms]

UC-22463
3,4-Sirmate
3,4-Dichlormate
3,4-dichlorobenzyl methylcarbamate
3,4-dichlorobenzyl N-methylcarbamate
N-Methylcarbamic acid 3,4-dichlorobenzyl ester
Benzenemethanol, 3,4-dichloro-, 1-(N-methylcarbamate)
[EINECS(EC#)]

217-813-3
[Molecular Formula]

C9H9Cl2NO2
[MOL File]

1966-58-1.mol
[Molecular Weight]

234.08
Chemical PropertiesBack Directory
[Melting point ]

52°C
[Boiling point ]

139 °C(Press: 0.5 Torr)
[density ]

1.3564 (rough estimate)
[refractive index ]

1.6100 (estimate)
[pka]

12.45±0.46(Predicted)
[Water Solubility ]

0.17g/L(25 ºC)
[EPA Substance Registry System]

Dichlormate (1966-58-1)
Hazard InformationBack Directory
[Production Methods]

Dichlormate was commercially produced via a carbamate esterification process. The synthesis typically involved reacting 3,4-dichlorobenzyl alcohol with methyl isocyanate or methylcarbamoyl chloride under controlled conditions to form the N-methylcarbamate ester. This reaction was carried out in an organic solvent with a catalyst or base to facilitate ester formation. After completion, the crude product was purified through recrystallisation or distillation to obtain technical-grade dichlormate.
[Mechanism of action]

Thought to be due to inhibition of the synthesis of carotenoids and to the consequent photodestruction of chlorophyll and chloroplast disruption
[Pesticide Type]

Herbicide
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