Imazapyr

  • Charper
  • Arsenal 250A
  • 2-(4-Isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)nicotinic acid
Formula
C13H15N3O3
Structure
Uses
Substance is used as a herbicide.

Registry Numbers and Inventories.
CAS
81334-34-1
EC Index Number
613-126-00-1
36 52/53
RTECS
US5682500
RTECS class
Other
Merck
12,4942
Beilstein/Gmelin
5442754
Beilstein Reference
6-26
EPA OPP
128821
Swiss Giftliste 1
G-66941
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C13H15N3O3
Formula mass
261.28
Melting point, °C
170 - 173
Density
1.38 g/cm3
Solubility in water
Very soluble
pKa/pKb
1.96 (pKa)
Partition coefficient, pKow
0.22

Hazards and Protection.
Storage
Keep tightly closed.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide.

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
2
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
5
Exposure effects
Properties of this material have not yet been prepared. Any recommendations are of a general nature. Many chemicals cause irritation of the eyes, skin, and respiratory tract. In severe cases respiratory tract irritation can progress to ARDS/acute lung injury which may be delayed in onset for up to 24 to 72 hours in some cases Irritation or burns of the esophagus or gastrointestinal tract are also possible if caustic or irritant chemicals are ingested. ALWAYS contact your local poision control authority or medical professional for assistance.
   Ingestion
May be harmful if swallowed.
   Inhalation
May be harmful if inhaled. Material may be irritating to mucous membranes and upper respiratory tract.
   Skin
May cause skin irritation. May be harmful if absorbed through the skin.
   Eyes
Causes eye irritation.

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.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
   Eyes
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Transport.