Product Information
Product Name White Petrolatum
CAS 8009-03-8
Appearance White translucent soft ointment
Grade USP / BP / EP / Cosmetic grade / Pharmaceutical grade
Chemphysical Properties
Melting range: 38-54 ℃
Density (25℃): ~0.815-0.880 g/cm³
Solubility: Insoluble in water, soluble in chloroform, ether; slightly soluble in ethanol
Odor: Odorless, tasteless
Quality Specification (USP Grade)
| Test Item | USP‑42 Specification |
|---|---|
| Drop Point | 38‑54 ℃ (replaces old melting‑range test) |
| Penetration (25℃) | 100‑300 (10.0‑30.0 mm) |
| Acidity or Alkalinity | Complies, no red‑blue color change |
| Residue on Ignition <281> | NMT 0.05 % (max 0.05%) |
| UV Absorbance Limit for Polycyclic Aromatic Hydrocarbons | Complies (new test in modern USP, replaces organic‑impurity test) |
| Heavy Metals <231> | NMT 10 ppm |
| Organic Acids | NMT 400 μL of 0.1 N NaOH consumed |
Application & Use
Pharmaceutical: Ointment base, skin-protecting ointment, wound barrier care.
Cosmetic: Cream, lotion, lip balm, skin-care products, excellent emollient & moisture-lock agent.
Industrial: Lubricant, rust-proof sealing grease.
Packing Delivery & Storage
Packing: 170kg iron drum / plastic drum, or small‑package as request
Storage: Keep tightly closed, store in cool & dry place, avoid direct sunlight
Transport: Non-hazardous goods, general chemical transport
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