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Chemical Datasheet

METOLACHLOR

Chemical Identifiers

CAS Number UN/NA Number DOT Hazard Label USCG CHRIS Code
  • 51218-45-2
 none data unavailable
  • MCO
NIOSH Pocket Guide International Chem Safety Card
none
  • METOLACHLOR
NFPA 704
data unavailable
General Description
Tan to brown oily liquid with a slightly sweet odor. Slightly soluble in water and denser than water. Hence sinks in water. Soluble in most organic solvents. Used as a selective herbicide.

Hazards

Reactivity Alerts
none
Air & Water Reactions
Slightly soluble in water. Hydrolyzed by strong mineral acids and strong alkalis.
Fire Hazard
No information available.
Health Hazard
Can cause skin irritation and eye irritation. Headache and nausea may occur following prolong exposure. (USCG, 1999)
Reactivity Profile
METOLACHLOR is a chlorinated acetamide. May react with azo and diazo compounds to generate toxic gases. May form flammable gases with strong reducing agents. Combustion generates mixed oxides of nitrogen (NOx).
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents

No information available.

Response Recommendations

Isolation and Evacuation
No information available.
Firefighting
Fire Extinguishing Agents: Dry chemical, alcohol foam or carbon dioxide (USCG, 1999)
Non-Fire Response
No information available.
Protective Clothing
In case of spill: Wear chemical safety glasses or goggles, rubber gloves, waterproof boots, and approved chemical cartridge respirator. In case of fire: Wear full protective clothing and self contained breathing apparatus. (USCG, 1999)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
INHALATION: Call for medical aid. Move victim from contaminated area to fresh air. Apply artificial respiration if necessary.

INGESTION: If victim is conscious administer 1,2 glasses of water and induce vomiting.

EYES: Immediately rinse with large amounts of running water. Do not apply any medication, unless advised by a physician.

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. (USCG, 1999)

Physical Properties

Chemical Formula:
  • C15H22ClNO2
Flash Point: greater than 230°F (USCG, 1999)
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: 510°F (USCG, 1999)
Melting Point: data unavailable
Vapor Pressure: data unavailable
Vapor Density (Relative to Air): data unavailable
Specific Gravity: 1.12 (USCG, 1999) - Denser than water; will sink
Boiling Point: 212°F at 0.001 mmHg (USCG, 1999)
Molecular Weight: 283.81 (USCG, 1999)
Water Solubility: data unavailable
Ionization Energy/Potential: data unavailable
IDLH: data unavailable

AEGLs (Acute Exposure Guideline Levels)

No AEGL information available.

ERPGs (Emergency Response Planning Guidelines)

No ERPG information available.

PACs (Protective Action Criteria)

No PAC information available.

Regulatory Information

EPA Consolidated List of Lists

No regulatory information available.

CISA Chemical Facility Anti-Terrorism Standards (CFATS)

No regulatory information available.

OSHA Process Safety Management (PSM) Standard List

No regulatory information available.

Alternate Chemical Names