Benalaxyl CAS#: 71626-11-4

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Benalaxyl

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Benalaxyl Basic information

Benalaxyl Chemical Properties

Safety Information

Hazard Codes N
Risk Statements 50/53
Safety Statements 60-61
RIDADR UN 3077
WGK Germany 2
RTECS AY5993200
HS Code 29242990
ToxicityLD50 in rats (mg/kg): 4200 orally; 1100 i.p.; LC50 (96 hr) in rainbow trout: 3.75 mg/l (Bergamaschi)

Benalaxyl Usage And Synthesis

UsesAn acylamino acid fungicide.
UsesAgricultural fungicide.
UsesBenalaxyl is used for the control of Oomycetes on a wide range of crops, fruit, flowers, ornamentals and turf.
Metabolic pathwayThe fate of 14C-benalaxyl as affected by mancozeb is determined on the surface and in the tissues of grape leaves 7 days after the single foliar application of a mixture with mancozeb. The main oxidative scheme with rat liver microsomes is quite similar to that observed in plants. The only differences are represented by a further hydroxylation on the second ortho methyl group, and only traces of the meta hydroxylation take place on the xylene ring.
DegradationBenalaxyl is stable in aqueous media over a wide pH range but it is hydrolysed in concentrated alkali. Its DT₅₀ at pH 9 and 25 °C is 86 days (PM). It is reasonably stable to sunlight in aqueous solution. When irradiated in solution with UV light (254 nm) it is degraded with a half-life of 55 minutes (Pirisi et al., 1996). Products were compounds 2 and 3 (see Scheme 1) which are common also to metalaxyl and furalaxyl. These were detected in a non-labelled study. Under simulated sunlight its half-life was 167 days.

Benalaxyl Preparation Products And Raw materials

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