Medical Vaseline Parameter Specification Result Appearance White or Yellowish Translucent soft unctuous,odorless,has certain drawing Complies Melting Point 45-60°C 59°C UV Absorbance 0.50 (290nm) 0.148 ConePenetration 130-230 (0.1mm) 148 Residue on ignition 0.05% 0.031 Sulfide 0.00017% Complies Acidity or Alkalinity Plus phenolphthalein colorless and methyl orange can not show pink Complies Density 0.815-0.880 (60°C) 0.837 Organic Acids Show red Complies Fixed oils, fats&Rosins No ppt or oily matters is produced Complies Heavy metal 0.003% Complies Arsenic salt 0.0002% Complies Polycyclic aromatic hydrocarbons Absorbance at 260-420nm not more than the absorbance at 278nm Complies
