Abamectin

Common name: Abamectin
Chemical name: Avermectin B1
Physical and chemical properties:
A mixture containing >80% acermectin Bia and <20% avermectin Bib. the product is cololess to pale yellow crystals. m.p. 150-155¡æ.Solubility in water is 7-10¦Ìg/l (20¡æ), in toluene 35o, acetone 100, isopropanol 70, chloroform 25, etanol 20, methanol 19.5, n-butanol 10, cyclohexane 6 ( all in g/l, 21¡æ).
Toxicity:Acute oral LD50 for rats is 10mg/kg. Acute dermal LD50 for rabbits > 2000 mg/kg. Mild eye irrirant, non-irritating to skin(rabbits).
Formulation and specification:

Packing: 1 liter   200liters
Uses: Abamectin is used to control insect and mite pests of citrus, pear, and nut tree crops, and it is used by homeowners for control of fire ants.

CAS NO:65195-55-3;71751-41-2;73989-17-0

EC NO:265-610-3

Molecular Formula:C₄₈H₇₂O₁₄

Molecular Weight:873.0769

Synonyms:;abamectin B1a;Mixture of Avermectin B1a and Avermectin B1b;Affirm;Agri-Mek;Avid;Zephyr;(2aE,4E,5'S,6S,6'R,7S,8E,11R,13S,15S,17aR,20R,20aR,20bS)-20,20b-dihydroxy-5',6,8,19-tetramethyl-6'-[(1S)-1-methylpropyl]-17-oxo-5',6,6',10,11,14,15,17,17a,20,20a,20b-dodecahydro-2H,7H-spiro[11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13,2'-pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-alpha-L-arabino-hexopyranosyl)-3-O-methyl-alpha-L-arabino-hexopyranoside - (2aE,4E,5'S,6S,6'R,7S,8E,11R,13S,15S,17aR,20R,20aR,20bS)-20,20b-dihydroxy-5',6,8,19-tetramethyl-6'-(1-methylethyl)-17-oxo-5',6,6',10,11,14,15,17,17a,20,20a,20b-dodecahydro-2H,7H-spiro[11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13,2'-pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-alpha-L-arabino-hexopyranosyl)-3-O-methyl-alpha-L-arabino-hexopyranoside (1:1);(2aE,4E,5'S,6S,6'R,7S,8E,11R,13S,15S,17aR,20R,20aR,20bS)-6'-[(2S)-butan-2-yl]-20,20b-dihydroxy-5',6,8,19-tetramethyl-17-oxo-5',6,6',10,11,14,15,17,17a,20,20a,20b-dodecahydro-2H,7H-spiro[11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13,2'-pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-alpha-L-arabino-hexopyranosyl)-3-O-methyl-alpha-L-arabino-hexopyranoside;(5'S,6S,6'R,7S,11R,13S,15S,17aR,20R,20aR,20bS)-20,20b-dihydroxy-5',6,8,19-tetramethyl-6'-[(1S)-1-methylpropyl]-17-oxo-5',6,6',10,11,14,15,17,17a,20,20a,20b-dodecahydro-2H,7H-spiro[11,15-methanofuro[4,3,2-pq][2,6]benzodioxacyclooctadecine-13,2'-pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-arabino-hexopyranoside;Acimic;Abacide;Abamectine;Dynamec;Dynamec(R);Bermectine;Avermectin B;Avermectin B1;avermectin B1b;avermectin B1a;(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-a-L-arabino-hexopyranosyl)-3-O-methyl-a-L-arabino-hexopyranoside (i) mixture with (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-4-O-(2,6-dideoxy-3-O-methyl-a-L-arabino-hexopyranosyl)-3-O-methyl-a-L-arabino-hexopyranoside (ii) (4:1);5-O-demethylavermectin A1a (i) mixture with 5-O-demethyl-25-de(1-methylpropyl)-25-(1-methylethyl)avermectin A1a (ii);AGRI-MEK(R);Avermectin;Avermectins;

Molecular Structure: