Pest control Emamectin benzoate Formulation 5.7% WDG Pesticide

Active ingredient

Common name:

Emamectin benzoate

Chemical name:

(4"R)-5-O-demethyl-4"-deoxy-4"-(methylamino)avermectin A1a +
(4"R)-5-O-demethyl-25-de(1-methylpropyl)-4"-deoxy-4"-(methylamino)-25-(1-methylethyl)avermectin A1a (9:1)

Pesticide category:

Insecticide

CAS No:

[155569-91-8]; formerly [137512-74-4] and [179607-18-2]

Molecular Formula:

C56H81NO15 (B1a); C55H79NO15 (B1b)

Properties

M.f. C56H81NO15 (B1a); C55H79NO15 (B1b)
Form White to off-white powder.
M.p. 141-146 °C
V.p. 4 10-3 mPa (21°C)
KOW logP = 5.0 ( pH)
S.g./density 1.20 (23°C)
Solubility In water 0.024 g/l ( pH, 25°C).

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

Toxicity:

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.

Items

Standard

Appearance

Off-white granule

Content of a.i.

≥5%

pH value

6.0 – 10.0

Suspensibility, %

≥75.0

Water content, %

≤3.0

Wetting time, s

≤60

Fineness (through 75um test sieve), %

≥98

Disintegration time, s

≤60

Particle size range (mm)

0.8-1.0