Glufosinate ammonium

  • 2-Amino-4-(hydroxymethylphosphinyl)butyric acid ammonium salt
  • Butanoic acid, 2-amino-4-(hydroxymethylphosphinyl)-, monoammonium salt
  • Ammonium 2-amino-4-(hydroxymethylphosphinyl)butyrate
Formula
C5H12NO4P.H3N
Structure
Description
White to light yellow crystalline powder with a slightly pungent odor.
Uses
Herbicide that can be applied post-emergence in noncrop areas and as a directed spray in field-grown and container nursery stock. It is nonselective and controls a broad spectrum and annual and perennial grass and broadleaf weeds.

Registry Numbers and Inventories.
CAS
77182-82-2
EC (EINECS/ELINCS)
278-636-5
EC Index Number
015-155-00-X
RTECS
EK7713600
RTECS class
Agricultural Chemical and Pesticide; Reproductive Effector; Human Data
Beilstein/Gmelin
8163399
Beilstein Reference
-
EPA OPP
128850
Swiss Giftliste 1
G-78043
New Zealand
Listed

Properties.
Formula
C5H15N2O4P
Formula mass
198.19
Melting point, °C
215
Solubility in water
1370 g/L (22 C)
pKa/pKb
<2 (pKa1)

Hazards and Protection.
Storage
Keep tightly closed.
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. 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, Nitrogen oxides.

Fire.
Flash Point,°C
> 100
Fire fighting
Extinguish using 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
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
4
Exposure effects
Toxic. Toxic by inhalation, in contact with skin and if swallowed.
   Ingestion
Harmful if swallowed.
   Inhalation
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
May cause eye irritation.

First aid
 
   Ingestion
Do not use emetics For ingestion, rinse mouth and administer 5 ml/kg up to 200 ml of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool.
   Inhalation
Establish a patent airway. Suction if necessary. Watch for signs of respiratory insufficiency and assist ventilations if needed. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for pulmonary edema and treat if necessary. Monitor for shock and treat if necessary. Anticipate seizures and treat if necessary
   Skin
Cover skin burns with dry sterile dressings after decontamination.
   Eyes
Flush eyes immediately with water. Irrigate each eye continuously with normal saline during transport to mdical facility.

Transport.