Directory Guidance on Propylene glycol
Chemical Structure
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 |
| CAS: | 57-55-6 |
| MF: | C3H8O2 |
| MW: | 76.09 |
| EINECS: | 200-338-0 |
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
| Item | Specification |
| Product Name | Kojic acid dipalmitate |
| CAS No. | 79725-98-7 |
| Appearance | White powder |
| Shelf Life | 2 years |
| Packing | 1kg/bag,25kg/bag or as your requirements |
Product Packaging
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
- Wikipedia-Propylene glycol
What Is Propylene Glycol?
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.
Pre-Sales Service
* Timely reply and 24 hours online, the professional team will provide you with the most favorable prices and high-quality products.
* The sample supports testing and inspection.
* Each batch of products will be tested to ensure that its quality meets user needs.
*Packaging can also be made according to customer requirements.
*Any inquiries will be answered by our relevant personnel within 24 hours.
*We will provide you with commercial invoice, packing list, packing list, COA, health certificate and certificate of origin if you need it. If your market has other special requirements, please let us know.
After-Sales Service
*We will monitor the logistics information in real time and will share the information with you.
* You can consult us at any time if you have any questions about the product, and we will answer you in time.
*If you have any questions about the product, you can report it to us, we will deal with it in time for you, and the product can be returned.
DO YOU ACCEPT SAMPLE ORDER?
We will make samples before mass production. After the samples are approved by the department and users, we will start mass production. During the production process, we will carry out 100% inspection, and then carry out random inspection before packaging.
WHAT’S YOUR MOQ?
Our MOQ is 1kg. But usually we can also accept a smaller quantity, such as 100g, if you need it, provided that the sample fee is 100% paid.
IS THERE A DISCOUNT?
Different quantity has different discount.
HOW TO CONFIRM WHETHER THE PRODUCT QUALITY MEETS OUR NEEDS BEFORE PLACING AN ORDER?
You can consult us to get free samples of some products, you only need to pay the freight or arrange express delivery to us and get the samples. You can send us the product specifications and requirements you need, and we will manufacture products according to your requirements.
DO YOU SUPPLY PRODUCT REPORT?
Yes. We’ll give you product analysis report before shipping.
LEARN MORE ABOUT US
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1. For products ≤50kg, we recommend using express delivery, which is usually called DDU service (discounted, convenient).
2. For products ≤500kg, we generally recommend air freight, which is usually called FOB, CFR or CIF service (fast and efficient).
3. For products >500kg, we generally recommend shipping by sea, which is usually called FOB, CFR or CIF service (economical, safe).
4. For high-value products, please choose air or express to ensure the safety of product transportation.