petrolatum CAS 8009-03-8,petrolatum,CAS 8009-03-8
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Petrolatum, also known as Vaseline in Chinese and CAS number 8009-03-8, is a semisolid hydrocarbon mixture derived from multiple refining steps of petroleum. It possesses excellent moisturizing properties, is inert, and is chemically stable, making it an important building block for a wide range of applications in cosmetics, pharmaceuticals, and industrial sectors.
8009-03-8
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300–800 g/mol
232-373-2
| CAS | 8009-03-8 |
| Molecular formula | / |
| Molecular weight | 300–800 g/mol |
| EIENCS | 232-373-2 |
| Form | Semisolid ointment-like substance, white or pale yellow waxy mass |
| Melting point | 38–60°C |
| boling point | >300°C |
| Density | 0.82–0.87 g/cm³ at 20°C |
| Solubility | Insoluble in water; slightly soluble in ethanol; soluble in benzene, chloroform, ether, and vegetable oils |
| PKA | Not applicable (Petrolatum is a hydrocarbon mixture without acidic or basic functional groups) |
| Color | White or yellow |
| Storage temp | 10–30°C |
Petrolatum, also known as Vaseline in Chinese and CAS number 8009-03-8, is a semi-solid hydrocarbon mixture derived from multiple refining steps of petroleum. It typically appears as a white or pale yellow ointment. Its excellent moisturizing properties, inertness, and chemical stability make it an important building block for a wide range of applications in cosmetics, pharmaceuticals, and industrial sectors.
Petrolatum, due to its excellent sealing and lubricating properties, is widely used in the following areas:
Cosmetics and Skincare: As a moisturizer and base oil in products such as moisturizers, lip balms, hand creams, and sunscreens;
Pharmaceutical Industry: As a base for ointments, creams, and topical creams;
Food Applications: Specially refined white petrolatum can be used for lubrication of food machinery and rust prevention of food contact equipment;
Industrial Applications: Used in cable waterproofing, machinery lubrication, and metal corrosion protection;
Personal Care Products: Used in baby products, shampoo, shaving cream, and other products.
Petrolatum is generally considered safe, especially highly refined white petrolatum, for pharmaceutical and food contact applications. Key safety features include:
Hypoallergenicity: Low skin irritation, suitable for sensitive skin.
Non-carcinogenicity: Petrolatum used in cosmetics or pharmaceuticals must meet regulatory standards, such as those of the FDA and the EU, to ensure that impurities such as polycyclic aromatic hydrocarbons (PAHs) are within safety limits.
Good stability: Resistant to oxidation and perishability, it can be stored for extended periods without deterioration.
Precautions: Industrial-grade petrolatum should not be used directly on the human body. Store away from high temperatures and direct sunlight.
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