Product Identification

Product Name

2-Amino-4-(hydroxymethylphosphinyl)butyric acid ammonium salt

Synonyms

2-Amino-4-(hydroxymethylphosphinyl)butyric acid ammonium salt
Ammonium 2-amino-4-(hydroxymethylphosphinyl)butyrate
Azanium 2-amino-4-(hydroxy-methylphosphoryl)butanoate
Butanoic acid, 2-amino-4-(hydroxymethylphosphinyl)-, monoammonium salt
Finale
Liberty

CAS

77182-82-2

Formula

C5H15N2O4P

Molecular Weight

198.19

EINECS

278-636-5

RTECS

EK7713600

RTECS Class

Agricultural Chemical and Pesticide; Reproductive Effector; Human Data

Beilstein/Gmelin

8163399

Beilstein Reference

-

EC Index Number

015-155-00-X

Physical and Chemical Properties

Appearance

White to light yellow crystalline powder with a slightly pungent odor.

Solubility in water

1370 g/L (22 C)

Melting Point

215

pKa/pKb

<2 (pKa1)

Usage

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.

First Aid Measures

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.

Handling and Storage

Storage

Keep tightly closed.

Hazards Identification

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.

Ingestion

Harmful if swallowed.

Hazards

Emits toxic fumes under fire conditions.

EC Risk Phrase

22

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.

Exposure Effects

Toxic. Toxic by inhalation, in contact with skin and if swallowed.

Poison Class

4

Fire Fighting Measures

Flash Point

> 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.

Accidental Release Measures

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 and Reactivity

Stability

Stable at normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, Carbon dioxide, Nitrogen oxides.