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Common Name Ethephon CAS NO. 16672-87-0
Chemical Formula C2H6ClO3P Molecular Mass 144.5
Structural Formula
Mode of Action Plant growth regulator with systemic properties. Penetrates into the plant tissues, and is decomposed to ethylene, which affects the growth processes.
Uses To promote pre-harvest ripening in apples, currants, blackberries, blueberries, cranberries, morello cherries, citrus fruit, figs, tomatoes, sugar beet and fodder beet seed crops, coffee, capsicums, etc.; to accelerate post-harvest ripening in bananas, mangoes, and citrus fruit; to facilitate harvesting by loosening of the fruit in currants, gooseberries, cherries, and apples; to increase flower bud development in young apple trees; to prevent lodging in cereals, maize, and flax; to induce flowering of Bromeliads; to stimulate lateral branching in azaleas, geraniums, and roses; to shorten the stem length in forced daffodils; to induce flowering and regulate ripening in pineapples; to accelerate boll opening in cotton; to modify sex expression in cucumbers and squash; to increase fruit setting and yield in cucumbers; to improve the sturdiness of onion seed crops; to hasten the yellowing of mature tobacco leaves; to stimulate latex flow in rubber trees, and resin flow in pine trees; to stimulate early uniform hull split in walnuts; etc. Max. application rate per season 2.18 kg/ha for cotton, 0.72 kg/ha for cereals, 1.44 kg/ha for fruit.
Ethephon 85%TC
 Appearance clear viscous liquid
 Content of a.i.  ≥85%
 Water insolubles  ≤0.2%
 Acidity (as HCl)  ≤15%
 Storage stability   Qualified
Ethephon 40% SL
 Appearance  clear homogeneous liquid
 Content of a.i.  ≥ 40%
1,2-dichloroethane  ≤0.02%
 pH  1.5-3.0
 Dilution stability  Qualified
 Storage Stability  Qualified
Note:Other formulations are available on request.
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