Free Sample Propylene glycol CAS 57-55-6
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Min: 10 Gram
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Port: Shanghai Port, Qingdao Port
Directory Guidance on Propylene glycol
Chapter 1: Basic Info
|Product Name:||Propylene glycol|
|Synonyms:||PROPYLENEGLYCOL, REAGENT (ACS)PROPYLENEGLYCOL, REAGENT (ACS)PROPYLENEGLYCOL, REAGENT (ACS);Propyledne glycol;Glycerol Impurity 3（Glycerol EP Impurity C）;Propylene glycol 57-55-6;Propyleneglycol Manufacturer;1,2-PROPANEDIOL, GR ACS 99.5%;PROPYLENEGLYCOLTECHGRADE;Propylene Glycol, Reagent|
Chapter 2: Product Introduction
Compared with glycerol, propylene glycol has slightly lower viscosity and less moisturizing performance.
It mostly exists as a carrier in pharmaceutical production. Glycerol has excellent moisturizing performance. It is widely used in cosmetics and cakes with long shelf life.
Chapter 3: Nature and Specifications
pka 14.49±0.20(Predicted) form Viscous Liquid color APHA: ≤10 Specific Gravity 1.038 (20/20℃)1.036～1.040 PH 6-8 (100g/l, H2O, 20℃) explosive limit 2.4-17.4%(V) Water Solubility miscible Sensitive Hygroscopic
Chapter 4: Product Usage
Propylene glycol is basically harmless to the skin. Propylene glycol is added to many cosmetics.
Its effect, a common moisturizing material, helps prevent water molecules from dissolving dirt on the face and allows the skin to dry quickly while removing makeup.
In addition, propylene glycol is often added to lotions and serums, which not only has a moisturizing effect but also helps the active ingredients of cosmetics penetrate the skin.
Of course, propylene glycol also has certain side effects on the skin, especially for some people with very sensitive facial skin, after using cosmetics containing propylene glycol, a burning sensation, itching, erythema, acne on the face. And so on.
This is irritant dermatitis caused by propylene glycol irritating the skin.
Chapter 5: What is the production method of propylene glycol?
1. It is prepared by direct hydration of propylene oxide and water at 150-160 ℃ and 0.78-0.98mpa. The reaction product is evaporated and rectified to obtain the finished product.
2. Propylene oxide indirect hydration method is prepared by indirect hydration of propylene oxide and water with sulfuric acid as catalyst.
3. Direct catalytic oxidation of propylene.
Chapter 6: Related References
Chapter 7: Our Advantage
Zhishang Chemical is based in Shandong, serves the whole country, faces the world, and is determined to become an excellent supplier and service provider in the chemical industry.
As a top manufacturer of cosmetic raw materials, disinfectants, flavors and fragrances in China, we are committed to producing high-quality products and have won high praise from customers all over the world.
In the next 10 years or even longer, Zhishang will always adhere to the tenet of quality first and reputation first, and devote itself to providing customers with thoughtful and perfect services.