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Benalaxyl

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Benalaxyl Basic information

Product Name:
Benalaxyl
Synonyms:
  • METHYL2-(N-PHENYLACETYL-N-(2,6-DIMETHYLPHENYL)AMINO)PROPANOATE
  • N-(2,6-dimethylphenyl)-N-(phenylacetyl)-DL-alanine
  • methyl-N-phenylacetyl-N-2,6-dimethyl phenyl-DL-alaninate
  • TF 3675
  • benalaxyl methyl N-(2,6-dimethylphenyl)-N-(phenylacetyl)-DL-alaninate
  • Benalaxyi
  • Benalaxyl 250mg [71626-11-4]
  • (±)-N-(2,6-Dimethylphenyl)-N-(phenylacetyl)alanine methyl ester
CAS:
71626-11-4
MF:
C20H23NO3
MW:
325.4
EINECS:
275-728-7
Product Categories:
  • A-BPesticides
  • Alpha sort
  • Amide structureAlphabetic
  • B
  • BA - BH
  • Fungicides
  • Pesticides&Metabolites
  • Aromatics
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • FUNGICIDE
Mol File:
71626-11-4.mol
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Benalaxyl Chemical Properties

Melting point:
78-80°C
Boiling point:
463.59°C (rough estimate)
Density 
1.2700
vapor pressure 
6.6 x 10-5 Pa (25 °C)
refractive index 
1.5614 (estimate)
storage temp. 
0-6°C
Water Solubility 
28.6 mg l-1 (20 °C)
form 
neat
pka
1.52±0.50(Predicted)
Merck 
13,1028
BRN 
3001587
NIST Chemistry Reference
Benalaxyl(71626-11-4)
EPA Substance Registry System
Benalaxyl (71626-11-4)
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Safety Information

Hazard Codes 
N
Risk Statements 
50/53
Safety Statements 
60-61
RIDADR 
UN 3077
WGK Germany 
2
RTECS 
AY5993200
HS Code 
29242990
Toxicity
LD50 in rats (mg/kg): 4200 orally; 1100 i.p.; LC50 (96 hr) in rainbow trout: 3.75 mg/l (Bergamaschi)
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Benalaxyl Usage And Synthesis

Uses

An acylamino acid fungicide.

Uses

Agricultural fungicide.

Uses

Benalaxyl is used for the control of Oomycetes on a wide range of crops, fruit, flowers, ornamentals and turf.

Metabolic pathway

The 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.

Degradation

Benalaxyl 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

Raw materials

BenalaxylSupplier

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