See All ProductsEthephon

Action

Plant Growth Regulator

Use

For apples, barley, blackberries, bromeliads, cantaloupe, cherries, coffee, cotton, cucumbers, grapes, guava, macadamias, ornamentals, peppers, pineapple, rye, squash, sugarcane, tobacco, tomatoes, walnuts, wheat, etc.

Formulation

Aqueous solution, liquid concentrate.

Identification

Common Name

Ethephon (ANSI)

CAS Code

16672-87-0

Other Code Numbers

EINECS 240-718-3; SHA 099801

Chemistry

Composition

(2-chloroethyl)phosphonic acid (CAS)

Properties

Soluble in short-chain alcohols, glycols; sparingly soluble in nonpolar organic solvents; insoluble in kerosene and diesel oil; stable under pH ≤3.

Environmental Guidelines

Hazard

Fish: LC50 720 mg/l (rainbow trout); 180 mg/l (bluegill). Bird: LD50 1072 mg/kg (bobwhite quail); LD50 1998 mg/kg (mallard duck). Bee: Nontoxic

Water Solubility

Readily soluble, 1 kg/l at 23°C

Safety Guidelines

Toxicity

(Rat): Oral LD50 3030 mg/kg. (Rabbit): Dermal LD50 1560 mg/kg. Skin irritant, serious eye irritant

Spill Control/Cleanup

Large spillages should be dammed-off and pumped into containers; soak up remainder with absorbent material and dispose of in accordance with local regulations

Product/Waste Disposal

Must be disposed of by special means, e.g., suitable incineration, in accordance with local regulations

Emergency Guidelines

First Aid

Get medical aid. Eyes: flush immediately with plenty of water for at least 15 minutes. Ingestion: may cause mucosal damage; do not induce vomiting