Origin it is liquid fermentation product of Streptomyces avermitilis and is a mixture of Avermectin B1a and B1b. Formula and Molecular weight B1a C48H72O14.= 873.1 B1b C47H70O14.= 859.1 Ingredient The purity of B1 is not less than 95 in dry product , B1a is at least 90. Description This product is white or light yellow crystalline powder. Its melting point is 157162°C. It is easily soluble in toluene, ethyl acetate, acetone , chloroform, ethanol and the like , slightly soluble in hexane and petroleum ether. Its solubility in water in very low (10ug/L) Toxicity Oral LD50 value in mice:13.6-23.8mg/kg b.w. Oral LD50 value in rat: 10.6-11.3mg/kg b.w.
Items
Specifications
Results
Characters
White or yellowish, amorphous powder, Hygroscopic, soluble in water, soluble in methanol, practically insoluble in methylene chloride
Complies
Identification
As per EP7.0
Complies
Absorbance
MAX.0.15 at 425nm for solution S.
0.022
Assay(on annyarousbasis)
95.0%-102.0%
98.9%
water
≤4.0%
3.0%
Specific optical rotation
+168°~+183°
+177°
Sulfated ash
≤0.2%
0.2%
ph
5.5-7.5
5.8
Heavy metals
≤20ppm
complies
Related substance
Impurity A
Max 0.6%
0.3%
Impurity B
Max 0.5%
0.2%
Impurity C
Max 1.5%
0.2%
Impurity D
Max 1.0%
0.3%
Impurity E
Max 0.2%
Not detected
Impurity F
Max 0.3%
Not detected
Impurity G
Max 0.3%
Not detected
Impurity H
Max 0.2%
Not detected
Any other impurities
Each impurities max 0.2%
complies
Chromatographic purity
≥95.0%
96.6%
Total impurities
≤3.0%
1.2%
Total plate count
≤1000cfu/g
< 10cfu/g
Mould
≤100cfu/g
< 10cfu/g
Usage The product is an antibiotic agent , which is active against nematodes, insects, mites and the like. Injection and tablet of the product are indicated for the treatment of gastrointestinal nematodes
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SHENYANG KELIQI TRADE CO.,LIMITEDwas established in September 2010 with headquarter in Shenyang City,Jilin Province of China.
It is a modern agrochemical complex in research and development, providing and sales,especially engaged in agrochemicals,herbicides and fungicides three series of products.After years of development,domestic business has covered more than 26 provinces and autonomous ...
Basic Information
Company Products / Services: herbicide, insecticide, fungicide, growth regulator, rodenticide
