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Eprinomectin

chemical name:Eprinomectin
cas no.: 123997-26-2
M.F:C50H75NO14 + C49H73NO14
appearance:white powder 
The detailed specifications are as below:


Tests

Specification

Results

Appearance

white or light yellow crystalline

powder

Conforms

Identification

IR 

Conforms

 

HPLC

Conforms

Solubility

practically insoluble in water, freely soluble in methanol,Chloroform ,acetic ether

Conforms

Specific optical rotation

-6°~ -12°

-9.8°

Melting point

161°C--166°C

162°C

Water %

2.0 

0.8

Residue on ignition %

0.5 

0.08

Sulphated ash %

0.5 

0.2

Heavy metals %

0.002

<0.002

Purity

(on dry basis)

B1 (B1a+B1b)

90.0%  

92.6%

 

B1a

 

90%