139755-83-0, Worldwide Selling Sildenafil Factory Supply 99% Purity 100% Safe Customs

Product Detail
PropertyValue/DescriptionMolecular FormulaC22H30N6O4S 
Molecular Weight474.58 g/mol 
AppearanceWhite to off-white crystalline powder
Melting Point187–189 °C
Boiling Point672.4 °C at 760 mmHg
Density1.4 ± 0.1 g/cm³
Solubility- Slightly soluble in water
- Soluble in DMSO, methanol; poorly soluble in ethanol
LogP (Partition Coeff.)2.27
Key Applications & Functions
Application/IndustryDescriptionErectile Dysfunction (ED)Selective inhibitor of PDE5, enhancing nitric oxide (NO)-cGMP signaling to improve penile blood flow
Pulmonary Arterial Hypertension (PAH)Vasodilator approved by EMA for improving exercise capacity in PAH patients
Cardiovascular DiseasesInvestigated for hypertension, myocardial infarction, and heart failure (preclinical/clinical studies)
Other UsesPotential applications in Peyronie’s disease, visual disorders, and renal injury models
Safety and Regulatory Notes
Contraindications: Avoid with nitrates (risk of severe hypotension) .
Metabolism: Primarily via CYP3A4 and CYP2C9 enzymes .
GHS Hazards: Flammable (GHS02), acute toxicity (GHS06), and health hazards
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Packing&Delivery
Foil plastic bag/25kg cardboard drum/25kg bag/bottle
Express: Fedex, UPS, DHL. TNT, EMS, EUB, HKEMS
Door to Door Airport to Airport Seaport to Seaport
Easy to get products no need do custom clearance no need do custom clearance