Emamectin benzoate
Common name: Emamectin benzoate
CAS #: RN [155569-91-8]; Formerly [137512-74-4] and [179607-18-2] Development codes MK 244 (Merck)
Appearance: White or light yellow crystal powder
Melting point: 141-146centigrade
Stability: Soluble in methanol, acetone and the like, slightly soluble in water, insoluble in hexane
Items |
Specification |
Test result |
Appearance |
White to yellowish-white granule |
White granule |
Assay |
≥ 5 |
5.04 |
Time of slaking (S) |
≤ 60 S |
55S |
disperstiveness |
≥80 |
85 |
Suspension Rate |
≥ 75 |
87 |
PH |
6-10 |
6.8 |
Loss on drying |
≤ 3 |
2.0 |
Screening rate of fine powder(45µm) |
≥ 98 |
99 |
Time of wetting (S) |
≤60 |
15 |
Particle size range |
0.8-1.0mm |
0.8 |
Thermal stability |
Eligible |
Eligible |
Conclusion |
Complies with the requirement |
|
|
Items |
Index |
Emamectin benzoate 20 g/L EC |
Appearance |
Light yellow liquid |
A.I. Content |
20 g/L min. |
pH value |
4.0 ~ 7.5 |
Suspensibility, % |
** |
Emulsion stability |
Qualified |
Wet sieve test (75 μm sieve, %) |
** |
Toxicity:
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
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? G/l. Daphnia LC50 0.99? G/l. Algae >94? G/l. Bees Toxic to bees. Worms >1000 mg/kg.
Cuations: : High toxic to aquatic livings such as fish. Also high toxic to bees. No mixing with alkaline substances. Rapidly degrade in light. Sealed tightly and stored away from light in a cool and dry place.