Common name: Ethephon
Chemical name:
3-(2-chloroethyl)phosphonic acid
Chemical class: Plant Growth Regulator
Molecular formula: C2H6ClO3P
CAS NO.: 16672-87-0
Properties:
White to light brown wax solid, Homogeneous liquid, The volume of solid and/or liquid which separates shall not be more than 0.3 ml.
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Melting Point: 111-112°C.
Vapour Pressure: 18 mPa (25°C).
Molecular weight: 284.1
Solubility: In water 0.012 mg/L. It is easily soluble in most organic solvents, the solubility is 1.2 10-5g/100g in acetone.
Stability: It is stable at pH value 4~9, unstable under strong acidic and alkaline medium, unstable to light.
Mode of action:
Plant growth regulator with systemic properties. Penetrates into the plant tissues, and is decomposed to ethylene, which affects the growth processes.
Usage:
Systemic fungicide with protective and curative properties. Control of Botrytis, Sclerotinia, Monilia, and Helminthosporium spp. on fruit (including top fruit, strawberries and raspberries), vines, vegetables (including tomatoes, peas and beans), ornamentals, cereals, sunflowers, oilseed rape, soya beans, peanuts, tobacco, etc. Usually applied at 0.5-1.0 kg/ha. Downy mildew (Pseudoperonospora cubensis) of cucurbits; scab (Venturia inaequalis) of apples; Sigatoka (Mycosphaerella spp.) of bananas and melanose (Diaporthe citri) of citrus.
Normal Formulations:
95% Tech, 72% SL, 50% SL
