Metolachlor

  • Bicep
  • 2-Chloro-6'-ethyl-n-(2-methoxy-1-methylethyl)-o-acetotoluidine
  • 2-Chloro-6'-Ethyl-n-(2-methoxy-1-methylethyl)acet-o-toluidide
  • alpha-Chloro-2'-Ethyl-6'-methyl-n-(1-methyl-2-methoxyethyl)-acetanilide
  • 2-Chloro-n-(2-ethyl-6-methyl-phenyl)-n-(2-methoxy-1-methylethyl) acetamide
  • n-(2'-Methoxy-1'-methylethyl)-2'-ethyl-6'-methyl-2-chloroacetanilide
Formula
C15H22ClNO2
Structure
Description
Tan to brown oily liquid with a slightly sweet odor.
Uses
Herbicide.

Registry Numbers and Inventories.
CAS
51218-45-2
EC (EINECS/ELINCS)
257-060-8
RTECS
AN3430000
RTECS class
Agricultural Chemical and Pesticide; Mutagen; Reproductive Effector; Primary Irritant
Merck
12,6230
Beilstein/Gmelin
2743537
EPA OPP
288700
Swiss Giftliste 1
G-4143
Austrailia AICS
Listed
New Zealand
Listed
Korea ECL
Listed

Properties.
Formula
C15H22ClNO2
Formula mass
283.8
Boiling point, °C
406
Vapor pressure, mmHg
8E-7 (25 C)
Vapor density (air=1)
9.79
Odor Threshold Odor threshold .
Density
1.12 g/cm3 (20 C)
Solubility in water
530 mg/L (20 C)
Refractive index
1.5301 (20 C)
Partition coefficient, pKow
3.13
Heat of vaporization
65.9 kJ/mol

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear goggles or face shield when handling.
Respirators
Use NIOSH/MSHA approved respirator appropriate for exposure of concern.
Small spills/leaks
Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.
Stability
No data.
Incompatibilities
May react with azo and diazo compounds to generate toxic gases.

Fire.
Flash Point,°C
190
Autoignition, °C
265
Fire fighting
Fire Extinguishing Agents: Dry chemical, alcohol foam or carbon dioxide

Health.
Poison_Class
5
Exposure effects
   Ingestion
See inhalation.
   Inhalation
Can cause skin irritation and eye irritation. Headache and nausea may occur following prolong exposure.
   Skin
See inhalation.
   Eyes
See inhalation

First aid
 
   Ingestion
Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
   Inhalation
Call for medical aid. Move victim from contaminated area to fresh air. Apply artificial respiration if necessary.
   Skin
Wash with soap and plenty of water including hair and undernails. Do not apply any medication except on the advice of a physician. Remove clothing and wash before reuse.
   Eyes
Immediately rinse with large amounts of running water. Do not apply any medication, unless advised by a physician.

Transport.
USCG CHRIS Code
MCO
 
IMO Chemical Code
17
IMO Pollution Category
B
IMO Hazard code
P