Sodium MCP

  • Methoxone sodium salt
  • MCPA sodium
  • (4-Chloro-2-methylphenoxy)acetic acid sodium salt
  • Sodium (2-methyl-4-chlorophenoxy)acetate
Formula
C9H9ClO3.Na
Structure
Description
Colorless plates.
Uses
Herbicide.

Registry Numbers and Inventories.
CAS
3653-48-3
EC (EINECS/ELINCS)
222-895-9
20/21/22
RTECS
AG2625000
RTECS class
Agricultural Chemical and Pesticide; Mutagen; Reproductive Effector
Merck
13,5787
Beilstein/Gmelin
5190432
Beilstein Reference
6-06
EPA OPP
30502
Swiss Giftliste 1
G-7022
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C9H9ClO3.Na
Formula mass
222.61
Melting point, °C
117 - 118
Solubility in water
Very soluble

Hazards and Protection.
Storage
Keep tightly closed. Store in a cool dry place.
Protection
Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Hydrogen chloride gas.

Fire.
Fire fighting
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Emits toxic fumes under fire conditions.

Health.
Poison_Class
4
Exposure effects
Toxic. May cause cancer. May cause heritable genetic damage. Harmful by inhalation, in contact with skin and if swallowed.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.

Transport.