Acetochlor (34256-82-1) ,Acetochlor (34256-82-1) Manufacturers & Suppliers，MSDS

Basic information

Name:
Acetochlor
CAS No.:
34256-82-1
Molecular Structure:
Formula:
C₁₄H₂₀ClNO₂
Synonyms:
Erunit;Acetamide, 2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)-;2-Chloro-2-methyl-6-ethyl-N-ethoxymethylacetanilide;Harness;EPA Pesticide Chemical Code 121601;Acetochlore [ISO-French];Nevirex;2-chloro-N-ethoxymethyl-6, -ethylacet-o-toluidide;2-Chloro-N-(ethoxymethyl)-6-ethyl-o-acetotoluidide;Acetamide, 2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)- (9CI);2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)acetamide;Acenit;Acetamide,2-chloro-N-(ethoxymethyl)-N-(2- ethyl-6-methylphenyl)-;Chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)acetamide;o-Acetotoluidide, 2-chloro-N-(ethoxymethyl)-6-ethyl- (8CI);

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Chemistry

Molecular Formula: C₁₄H₂₀ClNO₂
Molecular Weight: 269.77
MP: <0^°C
Density: 1.119 g/cm³
Flash Point: 190.5 °C
Boiling Point: 391.5 °C at 760 mmHg
storage temp.: 0-6°C
Vapour Pressure: 2.46E-06 mmHg at 25°C
Index of Refraction: 1.538
Appearance：Amber to purple transparent liquid
Solubility: 23 mg/L at 25°C in water. Acetochlor (CAS NO.34256-82-1) is soluble in alcohol, acetone, toluene and tetrachloride.
Stability：Acetochlor (CAS NO.34256-82-1) is stable under normal temperatures and pressures and is stable in neutral, weakly acidic and weakly alkaline media.

Uses

Acetochlor (CAS NO.34256-82-1) is a selective herbicide used for control of most annual grasses and certain broadleaf weeds. The effect in soil can persist for more than 8 weeks. It can be used on peanuts, corn, soybeans, maize, cotton, sunflower, vineyards, onion, green peas, potatoes etc.. Acetochlor (CAS NO.34256-82-1) is applied preemergence, preplant incorporated and is compatible with most other pesticides and fluid fertilizers when used at recommended rates.

Production

First, 2,6-methylethyl aniline, monochloroacetic acid react with trichloride to form 6-methylethyl-chloroacetyloy for aniline; then in the presence of hydrochloric acid, POM reacts with ethanol to form chloromethyl ethyl ether by etherification. Finally, Acetochlor (34256-82-1) is synthesized from 6-methylethyl-chloroacetyloy for aniline and chloromethyl ethyl ether by condensation.

Toxicity Data With Reference

1.		orl-rat LD50:763 mg/kg		PRKHDK Problemi na Khigienata. Problems in Hygiene. 15 (1990),96.
2.		orl-rbt LD50:600 mg/kg		GISAAA Gigiena i Sanitariya. 53 (5)(1988),84.

Safety Profile

Hazard Codes: N,Xn Harmful (Harmful; Dangerous for the environment)
Risk Statements: 20-37/38-43-50/53 (Harmful by inhalation; Irritating to respiratory system and skin; May cause sensitization by skin contact; Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment)
Safety Statements: 2-36/37-60-61 (Keep out of the reach of children; Wear suitable protective clothing and gloves; This material and/or its container must be disposed of as hazardous waste; Avoid release to the environment)
RIDADR: UN3082 9/PG 3
RTECS: AB5457000
Moderately toxic by ingestion. When heated to decomposition it emits toxic vapors of NO_x and Cl⁻.