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阿维菌素 71751-41-2 95% TC, 1.8% EC, 6.5%EC

Abamectin阿维菌素

Introduction: Abamectin is a mixture of avermectins containing > 80% avermectin B1a and < 20% avermectin B1b. These two components, B1a and B1b have very similar biological and toxicological properties. The avermectins are insecticidal or anthelmintic compounds derived from the soil bacterium Streptomyces avermitilis. Abamectin is a natural fermentation product of this bacterium. Abamectin is used to control insect and mite pests of a range of agronomic, fruit, vegetable and ornamental crops, and it is used by homeowners for control of fire ants . Doses of 50 to 200 μg/kg of ivermectin, a similar member of the avermectin family of comounds, is widely used to treat humans in the World Health Organization onchocerciasis (river blindness) program.

Common name: Abamectin   

Another name: Avermectin B1 and MK-936, Affirm, Agri-Mek, Avid, Dynamec, Vertimec and Zephyr.

Chemical Name (IUPAC): 

mixture 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-4-O-(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-arabino-hexopyranoside and (10E,14E,16E,22Z)-(1R,4S,5’S,6S,6’R,8R,12S,13S,20R,21R,24S)-21,22-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-4-O-(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-arabino-hexopyranoside

Structural formula: 



Empirical formula: C48H72O14(B1a)·C47H70O14(B1b)

Mol. Weight: (873.09):(859.06) 

CAS No.: 71751-41-2 

Specifications  

Leading Abamectin supplier 

Abamectin  95% TC

Abamectin  98% TC 

Abamectin  18g/L EC  

Abamectin  65g/L EC 

Customerized Packing label 

Packing:

BULK PACKING                                                     

Powder: 25KG/Bag, 25KG/Drum, 50KG/Drum etc.                    

Liquid: 200L/Drum, 20L/Drum, 10L/Drum ect.

SMALL PACKING 

Powder: 1kg/Alu bag, 500g/Alu bag, 200g/Alu bag, 100g/Alu bag, 50g/Alu bag, 15g/Alu bag etc. 

Liquid: 5L/Drum, 1L/Bottle, 500ml/Bottle, 250ml/Bottle, 100ml/Bottle, 50ml/Bottle etc.

Abamectin  FAO standard  

Abamectin WHO Standard

Professional registration  

HAZARDS IDENTIFICATION: 

GHS Hazard statement(s)
H300 (100%): Fatal if swallowed [Danger Acute toxicity, oral]
H311 (76.77%): Toxic in contact with skin [Danger Acute toxicity, dermal]
H330 (52.53%): Fatal if inhaled [Danger Acute toxicity, inhalation]
H332 (16.16%): Harmful if inhaled [Warning Acute toxicity, inhalation]
H361 (52.53%): Suspected of damaging fertility or the unborn child [WarningReproductive toxicity]
H372 (52.53%): Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
H400 (100%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
H410 (52.53%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

MAMMALIAN TOXICOLOGY
Acute toxicity: 1) Acute oral LD50 for rats is 8.7 a.i. mg/kg. 2) Acute percutaneous LD50 for rats >2500 a.i. mg/kg. 3) Acute inhalation toxicity LC50(4h) for rats is 0.051 mg/L. 4) Skin irritation: Not an irritant (rabbits). 5)Eye irritation for rabbit: Non irritating. 6) Skin sensitization for guinea pig: not a sensitize. Other Not likely to be carcinogenic to humans , no evidence of a genotoxic or mutagenic potential.

ADI (JMPR) 0.001 mg/kg b.w. [2015].

Classification:

WHO Classification: Ib (Highly hazardous)

EC Risk Classification: Reproduction risk category 3: R63
T+ - Very toxic: R26, R28
T - Toxic: R48/23/255
N - Dangerous for the environment: R50, R53

US EPA Classification (formulation): IV (Caution - Not acutely toxic)

ECOTOXICOLOGY

Effects on birds: Abamectin is practically nontoxic to birds. Acute oral LD50 for Bobwhite quail is >2000 a.i.mg/kg. There were no adverse effects on reproduction when mallard ducks were fed dietary doses of 3, 6, or 12 ppm for 18 weeks. Effects on aquatic organisms: Abamectin is highly toxic to fish and extremely toxic to aquatic invertebrates. The LC50 (96 h) is 0.0036 mg/L in rainbow trout, 0.0096 mg/L in bluegill sunfish, 0.015 mg/L in sheepshead minnows, 0.024 mg/L in channel catfish, and 0.042 mg/L in carp. The LC50 (48h) in Daphnia magna, a small freshwater crustacean, is 0.003 mg/L. The LC50 (96h) for is 0.0016 mg/L in pink shrimp, 430 mg/L in eastern oysters, and 153 mg/L in blue crab. Abamectin did not bioaccumulate in bluegill sunfish exposed to 0.099 ug/L for 28 days in a flow-through tank. The levels in fish were from 52 to 69 times the ambient water concentration, indicating that abamectin does not accumulate or persist in fish. Effects on bees: organisms: Abamectin is highly toxic to bees, with contact LC50(48h) is 0.002 μg/bee and an oral LD50 of 0.009 μg/bee. Effects on Algae: Acute EC50(72h), growth is > 1.59mg/L. Effects on earthworms: moderate toxicity to earthworms, Acute 14 day LC50  is 33 mg kg. 

ENVIRONMENTAL FATE 

Breakdown in soil and groundwater: Abamectin is rapidly degraded in soil. At the soil surface, it is subject to rapid photodegradation, with half-lives of 8 hours to 1 day reported. When applied to the soil surface and not shaded, its soil half-life is about 1 week. Under dark, aerobic conditions, the soil half-life was 2 weeks to 2 months . Loss of abamectin from soils is thought to be due to microbial degradation. The rate of degradation was significantly decreased under anae

robic conditions. Because abamectin is nearly insoluble in water and has a strong tendency to bind to soil particles, it is immobile in soil and unlikely to leach or contaminate groundwater. Compounds produced by the degradation of abamectin are also immobile and unlikely to contaminate groundwater.

Breakdown in water: Abamectin is rapidly degraded in water. After initial distribution, its half-life in artificial pond water was 4 days. Its half-life in pond sediment was 2 to 4 weeks. It undergoes rapid photodegradation, with a half-life of 12 hours in water. When tested at pH levels common to surface and groundwater (pH 5, 7, and 9), abamectin did not hydrolyze.

Breakdown in vegetation: Plants do not absorb a

bamectin from the soil. Abamectin is subject to rapid degradation when present as a thin film, as on treated leaf surfaces. Under laboratory conditions and in the presence of light, its half-life as a thin film was 4 to 6 hours.

Usage: Abamectin is developed by Merck and Company (later Syngenta). Abamectin is a new effective broad-spectrum antibiotic insecticide and miticide, commonly used by the majority of farmers for agricultural production.

Application: Abamectin is a broad spectrum insecticide with contact and stomach action on miticide, pests, mites, and it has seepage effect, but no ovicidal properties. Its insecticidal mechanism is to interfere with pests’ neurophysiological activity, mainly playing a role in nerve and muscle joints, increasing the release of chloride ions, which inhibit the transmission of information neuromuscular junction, causing insects or mites paralyzed, inactive, no feeding, dead after 2 ~ 4 days. Different from the mechanism of action of commonly used insecticides, it does not have cross-resistance to insecticides commonly used, suitable for prevention and treatment of pests resistant to organophosphate or pyrethroid insecticides. Abamectin degrades in soil and photolyse quickly; safe to crops; usually without phytotoxicity; mainly used to control caterpillars, cotton bollworms, diamondback moths, leafminers, spider mites and yellow tea, and for root-knot nematodes, worms and other soil pests leek as well. For the prevention and treatment of pieris, with 1.8% Abamectin EC in 2500~3000 times, evenly spray; for bollworm pest, with 1.8% clear avermectin EC, 0.75 ~ 1.5 g/667m2, watered spray; for dishes moth larvae or eggs in the young hatch peak, with a 1.8% avermectin EC in 2500~3000 times, evenly spray; for red spiders on cotton, fruit and vegetables, yellow tea mites, with 2.0% abamectin in 4500 times, evenly spray. According to the characteristics of pests and mites, decide whether the time of spraying is in the morning or evening, but avoid the heat of midday. For the control of vegetable root-knot nematodes, worms and other soil pests leek in breeding period, use 1 ml of 1.8% Ai Fuding EC per square meter of seedbed, spray after mixed with 1 kg water(diluted 1000 times); When planting, with 1.8% Ai Fuding EC at 1 ml/m2, spray the soil surface in 1000 times diluted.


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