• Nitroxynil, CAS No 1689-89-0
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Nitroxynil has CAS No. 1689-89-0 , Mol. Wt. 290.01gms/mol, Molecular formula C7 H3 I N2O3. It is chemically known as 4- hydroxy -3 –Iodo-5- Nitrobenzonitrile. Nitroxynil is an effective Fasciolide because of its anthelmintic activity which works against Fasciola hepatica infections in cattle, and sheep.

It is categorized under the category of Anthelmintic / Anti parasitic ( for veterinary use) and is very effective against parasitic flat worms causing the liver damage in cattle and sheep. Nitroxynil is available in light yellow or yellow colored powder form. It is practically insoluble in water , but sparingly soluble in ether and Slightly soluble in Ethanol.

The information given above is based on our current knowledge and should not be considered as an intention of our Company to provide any medical information or as an advice for animal specific treatment. For any medical attention for your animals, livestock , we advise our customers to consult a Veterinarian/ Veterinary Doctor and act as per his/ her advice.

Specifications - Nitroxynil

Methyl Iodide Producers




Molecular formula C7H3IN2O3
Molecular weight 290.01 gms/mol
Description A yellow to yellowish brown powder.
A] By IR IR spectrum of test sample should be concordant with IR spectrum of similar preparation of Nitroxinil of working standard.
B] By UV The UV absorption maxima of sample should match with the UV absorption maxima of working standard.
C] Chemical test Iodine vapours should evolve.
Melting point Between 136° to 139°C.
Loss on drying Not more than 0.1 %.
Sulphated ash Not more than 1.0 %.
Assay Not less than 98.0 % and not more than 101.0 %.

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