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2,4-D Acid

Chemical Name: 2,4-dichlorophenoxyacetic acid.

Formula: C8H6Cl2O3

Molecular weight: 221.0

CAS No.: 94-75-7



Appearance: White powder.

Melting Point: 104.5°C.

Vapour Pressure: 1.86×10-2mPa at 20°C.

Stability: Slightly soluble. Amine salts are soluble in water; isopropyl ester is insoluble. Esters are essentially insoluble, but available formulations are usually emulsifiable.

Specification: 98%TC, 720SL, 860 SL.

Uses: Post-emergence control of annual and perennial broad-leaved weeds in cereals, maize, sorghum, grassland, established turf, grass seed crops, orchards ( fruit and stone fruit), cranberries, asparagus, sugar cane, rice, forestry, and on non-crop land (including areas adjacent to water), at 0.28-2.3 kg/ha. Control of broad-leaved aquatic weeds. The isopropyl ester can also be used as a plant growth regulator to prevent premature fruit fall in citrus fruit.


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