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Emamectin Benzoate 137512-74-4 90% TC, 70%TC, 5%WDG&SG&EC

 Emamectin benzoate 樅停價陝峎歷匼掃樅呫敆

 

Introduction: The product is a semi-fermented and semi-synthesized insecticide of Avermectin kind. The intermediate emamectin is synthesized under certain conditions using AVM as material, then reacted with benzoic acid, and thus we get Emamectin Benzoate.
Emamectin Benzoate is more effective than Emamectin against the insects Lepidoptera. Notably, it is the best insecticide against cotton bell worm (Helicoverpa armigera), cole miller (plutella xylostella Linnaeus), etc. Which have been tolerant with such insecticides as pyrethroids, organic phosphates.
So, emamectin benzoate is an ideal substitute for high poisonous and high residual agricultural chemicals, also a kind of outstanding biological pesticide, which prevents and controls tolerantly harmful insects. Many agricultural chemicals factory use it as ideal technical for formulating and single medicament exploiting.

 

Common name: Emamectin benzoate
Chemical Name: A mixture containing 90% of (10E,14E,16E,22Z)-(1R,4S,5'S,6S,6'R, 8R, 12S,13S,20R,21R,24S)-6'-[(S)-sec-butyl]-21,24-dihydroxy-5',11,13,22-tetramethyl-2-oxo-3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6-spiro-2'-(5',6'-dihydro-2'H-pyran)-12-yl 2,6-dideoxy-3-O-methyl-4-O-(2,4,6-trideoxy-3-O-methyl-4- methylamino- a-L-lyxo-hexopyranosyl)-a-L-arabino-hexopyranoside and 10% of (10E,14E,16E,22Z)-(1R,4S,5'S,6S,6'R,8R,12S,13S,20R,21R,24S)-21,24-dihydroxy-6'-isopropyl-5',11,13,22-tetramethyl-2-oxo-3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6-spiro-2'-(5',6'-dihydro-2'H-pyran)-12-yl 2,6-dideoxy-3-O-methyl -4-O-(2,4,6-trideoxy-3-O-methyl-4-methylamino-a-L-lyxo-hexopyranosyl)-a-L-arabino- hexopyranoside
Empirical formula: Bla: C49H75NO13.C7H6O2  Blb: C48H73NO13.C7H6O2
Structural formula:
                  
Mol. Weight: Bla: 1008.26 Blb: 994.23
CAS No.: 137512-74-4

 

Specifications
Leading Emamectin benzoate supplier

 

90% Emamectin benzoate TC,
30% Emamectin benzoate WSG/WDG
5% Emamectin benzoate WSG/WDG
0.5% Emamectin benzoate  EC

 

Customerized Packing label
Packing: Required by customer
Emamectin benzoate FAO standard
Professional registration

 

ANALYSIS
Product and residues determined by hplc. Details available from Syngenta.

 

MAMMALIAN TOXICOLOGY
Oral Acute oral LD50 for rats 76-89 mg/kg. Skin and eye Acute dermal LD50 for rabbits >2000 mg/kg. It is not irritant to skin, and has no sensitising potential. Inhalation LC50 (4 h) for rats 2.12-4.44 mg/m3. NOEL (1 y) for dogs 0.25 mg/kg b.w. ADI 0.0025 mg/kg. Other Not tumorigenic. Toxicity class WHO (a.i.) II (company classification)

 

ECOTOXICOLOGY
Birds Acute oral LD50 for mallard ducks 46, bobwhite quail 264 mg/kg. Dietary LC50 (8 d) for mallard ducks 570, bobwhite quail 1318 ppm. Fish LC50 (96 h) for rainbow trout 174, sheepshead minnow 1430 mg/l. Daphnia LC50 0.99 mg/l. Bees Toxic to bees. Worms LC50 >1000 mg/kg dry soil. Other beneficial spp. Safe to a wide range of beneficial insects, due rapid breakdown of the a.i., limiting contact activity to <48 h.

 

ENVIRONMENTAL FATE
Animals Emamectin benzoate is partially metabolised but rapidly cleared (DT50 following oral dosing 34-51 h), indicating that it has no potential for bioaccumulation. Plants Metabolism has been investigated in lettuce, cabbage and sweet corn. It is non-systemic, and rapidly degrades in sunlight to various complex residues in which undegraded parent is the only significant residue. The residues were very low. Soil/Environment Rapidly degraded.

 

Usage: Mainly used to prevent and control harmful insects in Lepidoptera, Coleoptera, Homoptera, Mite. Widely used to prevent and control bollworm, cutworm of sugar beet, cole moth, cabbage caterpillar, armyworm, Mite, Prodenia litura(Fabricius) and so on harmful insects in many kinds of vegetables, fruit trees, tea, tobacco and cotton.

 

Application: Biochemistry Acts by stimulating the release of g-aminobutyric acid, an inhibitory neurotransmitter, thus causing paralysis. Mode of action Non-systemic insecticide which penetrates leaf tissues by translaminar movement. Paralyses the lepidoptera, which stop feeding within hours of ingestion, and die 2-4 dat. Uses For control of Lepidoptera on vegetables, brassicas and cotton, at up to 16 g/ha, and in pine trees, at 5-25 g/ha.

 

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