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                                              Ethephon
               
Common name
ETHEPHON
Brand Name
Kelinon
Chemical name
2-chloroethyl)phosphonic acid (C.A.)
2-chloroethylphosphonic acid (IUPAC)
Other name
CAS code
16672-87-0
Toxicology
Oral:Acute oral LD50for rats 3030 mg/kg (tech.).
Skin and eye: Acute percutaneous LD50for rabbits 1560 mg/kg (tech.). Irritating to skin and eyes.
Inhalation: LC50(4 h) for rats 4.52 mg/l (tech.).
Specification
Item

90% Tech

400 g/L SL

480 g/L SL

600 g/L SL

Appearance

White to light brown solid

Colorless to light yellow transparent liquid

Colorless to light yellow transparent liquid

Colorless to light yellow transparent liquid

A.I content

90% min.

 400 g/L min.

 480 g/L min.

600 g/L min.

pH value

6% max. (Acidity)

0.8-2.5

0.8-2.5

0.8-2.5

Application
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.
Precaution
1. Incompatible with alkaline pesticides and fertilizers.
2. Corrosive to metal, skin and clothes. When applying, wear protective gloves and glasses. After applying, wash thoroughly the spraying equipment.
Package
Tech.:100g, 200g, 400g, 500g/plastic bottle or 100 kg, 200 kg/plastic drum.   Formulation:350g, 500g, 800g, 1000g/bottle
Or according to the customer’s requirement.
Remarks
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