Ethephon

Chemical Name: 2-Chloroethylphosphonic Acid
Formula: C12H10O2
Molecular Weight: 186.5
CAS No.: 137-26-8
Structure:
Description: Appearance: White or light yellow crystals.
Melting Point: 74 - 75º C.
Vapour Pressure: <1mPa at 20 º C.
Stability: Solvency in water, acohol is about 1kg/L. It's steady below pH 3 and it releases ethylene when above pH 3. It can be eluviated when placed on sand. It can't coexist with alkali, salts and metal.

Toxicity: Oral LD50 (Rat)>3030 mg/kg. Skin LD50 (Rabbit) >1, 560 mg/kg.
Specification: 80%TC, 40%SL, 72%SL
Uses: Ethephon can modulate plant growth and metabolism by releasing ethylene from root, bloom, fruit, legume and other tissues. It can accelerate maturation for fruit and vegetable. Also used as post-harvest ripening agent.