Sulfamethoxypyridazine

CAS number:80-35-3

Molecular formula:C11H12N4O3S

molecular weight:280.3

Chemical structure:

Product name:     Sulfamethoxypyridazin
Expiry Date:  Four years
Inspection Standard:  EP7
Items Specifications Results
Identification:   

A. The infiareda bsorptions pectrum; B. The thin-layer chronalography;     C. Residuem eltsa t 102"Ct o 106"C D. The reactiono fprimary aromatica mines.                                               

Meets                                    

Meets                                  

103~104℃                             

Meets   

Melting Point      about 180℃ with decomposjlion 181.2~182℃ , decomposition
Characteristics White or slightly yellowish, crystalline powder  Meets                     
Appearance of solution Clear & not more intensely coloured than Y4 or BY4 <BY4
Acidity ≤0.5ml <0.5ml
Related substances Meets ( ≤0.5%) Meets, <0.5%
Heavy Metals ≤20 ppm <20 ppm
Loss on drying Not more than 0.5% 0.1%
Sulphated ash Not more than 0.1% 0.05%
Assay 99.0%~101.0%(The dried substance) 99.9%(The dried substance)
Conclusion : Meets EP7 specifications