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Petroleum jelly/ Vaseline is a semi-liquid mixture of alkanes or saturated hydrocarbons, also known as petrolatum, which is obtained by fractional distillation of petroleum. Its state is between solid and liquid at room temperature, and there are three colors of brown, yellow and white due to different uses. Natural petroleum jelly is derived from petroleum residual oil concentrates such as paraffinic heavy oil; artificial petroleum jelly is derived from a mixture of mineral oil thickened with pure ceresin, paraffin and paraffin grease. Vaseline has a smell of mineral oil, but no kero sene. Can be used as raw materials for medicines and cosmetics, and also for machine lubrication.
Petroleum Jelly Standard: BP2011, CP2005, USP30
SR NO. | CHARACTERISTICS | TEST METHOD | REQUIREMENTS AS PER PHARMACPIA | TYPICAL RESULTS |
1. | Description | Visual | White, translucent, soft unctuous, retaining these characters on storage & when melted& allowed to cool without stirring; not more then slightly florescent by day light, even melted; odorless when rubbed on screen. | Complies |
2. | Colour | IP 17/52 | 0.5 (Y) | 0.2Y |
3. | Odour | Organoleptic | Nil | Nil |
4. | Color | USP 31 | Passes | Passes |
5. | Congealing Point | ASTM D938 | 50°C to 60°C | 51°C |
6. | Drop melting Point | ASTM D127/USP 31 | 57-60 | 58.5 |
7. | Acidity or Alkalinity | USP 31 | Neutral | Complies |
8. | Fixed oils, fats & resins | USP 31 | No ppt or oily matters is produced | Passes |
9. | Specific Gravity @ 25°C | USP 31 | 0.860 to 0.890 | 0.867 |
10. | Consistency @ 25°C | USP 31 / ASTM D937 | 180-200 dmm | 185 |
11. | Residue on ignition | USP 31 | Not more than 0.05% | 0.02% |
12. | Organic acids | USP 21 | To pass | Passes |
13. | Polycyclic Aromatic Hydrocarbons | BP 2008 | To Pass | Passes |
14. | Polynuclear Compounds | 21 CFR 172.880 | To Pass | Passes |
15. | Kinematic Viscosity @ 99°C | ASTM D445 | 9 - 12.5 | 10.5 |
Vaseline is a mineral wax, it will not be absorbed by the skin, it can form a protective film on the skin surface, so that the skin's water is not easy to evaporate and lose, and it is extremely insoluble in water, and can adhere to the skin for a long time, so it has a very Good moisturizing effect, very suitable for dry skin. Can be used as lip balm, hand cream, face or body, is a very good moisturizer. It also has the effect of removing scars. 2. Vaseline is non-irritating, stable and difficult to deteriorate, and it is not easy to cause human sensitivity. It is most suitable for people who are allergic to the fragrances and alcohols added to general moisturizing product.
