Top quality Abamectin in stock CAS No.: 71751-41-2

Details:

Abamectin is a mixture of avermectins containing more than 80% avermectin B1a and less than 20% avermectin B1b. These two components, B1a and B1b have very similar biological and toxicological properties.

Abamectin/avermectin  95%TC, 1.8% EC, 3.6%EC, 5.4%EC

Common name:  Abamectin

Chemical name (IUPAC):

(10E,14E,16E,22Z)-(1R,4S,5S,6S,6S,8R,12S,13S,20R,21R,24S)-6[(S)-sec-butyl]21,24-dihydroxy-5,11,13,22-tetramethyl-2-oxo-3,7,9-trioxatetracyclo-[15.6.1.14,8.O20,24]pentacosa-10,14,16,22-tetraene-6-spiro-2-(5,6-dihydro-2H-pyran)-12-yl 2,6-dideoxy-4-O-(2,6- dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3O-methyl-α-L-arabino- hexopyranoside  (Avermectin B1a)

mixture with

(10E,14E,16E,22Z)-(1R,4S,5S,6S,6S,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.O20,24]pentacosa-10,14,16,22-tetraene-6-spiro-2-(5,6-dihydro-2H-pyran)-12-yl2,6-dideoxy-4-O-(2,6- dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-arabino- hexopyranoside  (Avermectin B1b)

CAS NO.:  Avermectin B1a: 65195-55-3Avermectin B1b: 65195-56-4

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

Mode of action  

insecticide and acaricide with contact and stomach action. Has limited plant systemic activity, but exhibits translaminar movement.

Uses  

Control of motile stages of mites, leaf miners,suckers, Colorado beetles, etc. on ornamentals, cotton, citrus fruit, pome fruit, nut crops, vegetables, potatoes, and other crops. Application rates are 5.6 to 28g/ha for mite control, 11-22g/ha for control of leaf miners. Also used fro control of fire ants.

Mammalian toxicology: 

Reviews

FAO/WHO 74, 80, 82 (see part 2 of the bibliography). G. Lankas & L. R. Gordon in Toxicology in ivermectin an Abamectin, W.C. Campbell ed., Springer-Verlag (1989) pp. 89-112.

Oral

Acute oral LD50 for rats 10, mice 13.6mg/kg (in sesame oil).

Skin and eye

Acute percutaneous LD50 for rabbits >2000mg/kg.

Mild eye irritant; non-irritating to skin (rabbits).

ADI (JMPR) 0.002mg/kg b.w. [1997] (for sum of abamectin an 8,9-Z-isomer); 0.001mg/kg b.w. [1995] (for residues not containing delta-8,9-isomer).

Other non-mutagenic in the Ames test 

Ecotoxicology:

Birds acute oral LD50 for mallard ducks 84.6, bobwhite quail >2000mg/kg.

Fish LC50 (96h) for rainbow trout 3.2, bluegill sunfish 9.6μg/l

Daphnia  EC50 (48h) 0.34ppb.

Algae > 100mg/l

Other aquatic spp. LC50 (96h) for pink shrimp (Panaeus duorarum) 1.6, blue crab (Callinectes sapidus) 153ppb.

Bees Toxic to bees.

Worms LC50 (28d) for earthworm 28mg/kg soil.

Specification:  95%TC, 1.8% EC, 3.36%EC, 3.6% EC 

Packing: 

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