Product Identification

Product Name

Metolachlor

Synonyms

2-Chloro-6'-Ethyl-N-(2-methoxy-1-methylethyl)acet-o-toluidide
2-Chloro-6'-ethyl-N-(2-methoxy-1-methylethyl)-o-acetotoluidine
2-Chloro-n-(2-ethyl-6-methyl-phenyl)-N-(2-methoxy-1-methylethyl) acetamide
alpha-Chloro-2'-Ethyl-6'-methyl-N-(1-methyl-2-methoxyethyl)-acetanilide
Bicep
N-(2'-Methoxy-1'-methylethyl)-2'-ethyl-6'-methyl-2-chloroacetanilide

CAS

51218-45-2

Formula

C15H22ClNO2

Molecular Weight

283.8

EINECS

257-060-8

RTECS

AN3430000

RTECS Class

Agricultural Chemical and Pesticide; Mutagen; Reproductive Effector; Primary Irritant

Merck

12,6230

Beilstein/Gmelin

2743537

Physical and Chemical Properties

Appearance

Tan to brown oily liquid with a slightly sweet odor.

Solubility in water

530 mg/L (20 C)

Boiling Point

406

Vapor Pressure

8E-7 (25 C)

Density

1.12 g/cm3 (20 C)

Partition Coefficient

3.13

Heat Of Vaporization

65.9 kJ/mol

Usage

Herbicide.

Vapor Density

9.79

Odor threshold

.

Refractive Index

1.5301 (20 C)

First Aid Measures

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.

Handling and Storage

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.

Hazards Identification

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

Exposure Controls/Personal Protection

Personal Protection

Wear goggles or face shield when handling.

Respirators

Use NIOSH/MSHA approved respirator appropriate for exposure of concern.

Poison Class

5

Fire Fighting Measures

Flash Point

190

Autoignition

265

Fire Fighting

Fire Extinguishing Agents: Dry chemical, alcohol foam or carbon dioxide

Accidental Release Measures

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 and Reactivity

Incompatibilities

May react with azo and diazo compounds to generate toxic gases.

Stability

No data.