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Quick Details

  • CAS No.: 139755-83-2
  • Other Names: Viagra or Sildenafil
  • MF: C22H30N6O4S
  • EINECS No.: Sildenafile
  • Place of Origin: Shandong, China (Mainland)
  • Type: Antibiotic and Antimicrobial Agents, Vitamins, Amino Acids and Coenzymes
  • Grade Standard: Medicine Grade
  • Brand Name: HHD
  • Model Number: Sildenafil Citrate
  • Purity: 99%
  • Appearence: White powder
  • Assay: 99.8%
  • Dosage: 120-145 mg
  • Boiling Point: 672.4°C at 760 mmHg
  • Density: 1.39g/cm3
  • MW: 474.5764
  • Package: 1kg/Aluminum foil bag, 25kgs/Fibre drum
  • Samples: can be sent
  • Delivery: fast
  • Storage: in cool place

Packaging & Delivery

Packaging Details 1kg/Aluminum foil bag, 25kgs/Fibre drum
Delivery Time within 2 days after down payment
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Sildenafil Citrate



Product Description


Sildenafil citrate is the raw material of Viagra, viagra treats erectile dys function and works by relaxing muscles and increases blood flow to particular areas of the body (in this case, the penis, specifically). Its effects last up to four hours. The most common side effects of Viagra are headache, facial flushing, and upset stomach. Rarely, blurred vision, or sensitivity to light may briefly occur.


As well as treating impotence, Sildenafil Citrate can also be effective in treating Pulmonary Arterial Hypertension (PAH). Similarly to how it acts to relax muscles of the penis, it relaxes arterial walls; therefore, reducing resistance and pressure in the arteries.


Sildenafil Citrate is solely active in relaxing muscles and increasing blood flow to the heart, lungs and penis due to PDE-5, yet vasodilation is not increased in other parts of the body.




1. 99% High Purity Sex Powder Sildenafile and Sildenafile Citrate 
2. White crystal powder 
3. Assay: 99.8% 
4. Name: Viagra







Items                                               Specifications         Results
Description                                        White crystalline powderWhite crystalline powder
SolubilitySouble in dimethylformamide,sparingly soluble in acetic acid and slightly soluble in methanol.Conforms

Identification by A) IR

B)Test for citrates

The absorption maxima in the spectrum obtained with sample corresponds in position relative intensity to those in the spectrum obtained with sildenafil citrate CRS/working standard or with reference spectrum of sildenafil citrate.

To complies as per I.P

Melting Range                                         Between 182 ℃ to 196 ℃188 ℃-192
Water by KFR                                           NMT2.0%1.32%w/w
Citric acid content                                        28.0 to 34.0% w/w29.14w/w
Loss on drying at 105 ℃                                         NMT 1.0% w/w0.64%w/w
Heavy metals                                         NMT 20 ppmConforms
Sulphated ash                                         NMT 0.10% w/wConforms
Related substance by HPLC

                                    N-Oxide impurity NMT 0.50%

                                  Chloro sulphonyl impurity NMT 0.20%

                                    Any other impurity NMT 0.30%

                                   Total impurities NMT 1.5%

Not detected 

Not detected



Standard                                          USP,BP 



Sildenafil is packed in 1kg in a Al foil bag&25kg/barrel. The packaging can be customised;

  Sildenafil is stored in a cool and dry well-closed container,the temperature should be lower than 25°C, the relative humidity should not exceed 50%.





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