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Chemical Name: butyl (2R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propanoate

Formula: C20H20FNO4

Molecular Weight: 357.38

CAS No.: 122008-85-9



Appearance: White crystalline powder

Melting Point: 50°C.

Vapour Pressure: 0.053 mPa(25°C).

Stability: insoluble in water, soluble in most organic solvents. Stable at pH 4, hydrolysed slowly at pH 7.


Content: 95 %min

Loss on Drying: ≤2 %

PH Value: 4.5-7.0

Specification: 95%TC, 10%EC

Uses: Post-emergence herbicide with foliar uptake only and no soil activity. A systemic herbicide that is readily absorbed by plant tissue is moderately phloem-mobile and accumulates in meristematic regions. Grass weeds cease growth immediately after treatment, with yellow patches appearing within 2-3 days to one week, leading to necrosis and death of the whole plant within 2 to 3 weeks. For post-emergence control of grass weeds in rice. Applied at 75-100 g/ha in tropical rice and 180-310 g/ha in temperate rice. For selectivity in Poaceae species.

Toxicology: Acute oral LD50: > 5000 mg/kg in rats

Acute dermal LD50 (rabbits): > 2000 mg/kg

Acute 4-hour rat inhalation LC50: > 5.63 mg/l

Acute Skin Irritation (rabbit): non irritating

Acute Eye Irritation (rabbit): minimally irritating

Skin Sensitization (guinea pig): sensitizer


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