Basic Information
| Density | 1.053 g/mL at 25 °C (lit.) |
| Melting Point | -27 °C (lit.) |
| Boling Point | 214 °C/760 mmHg (lit.) |
| Flash Point | >230°F |
| Vapor Presure | 0.8 mm Hg ( 20 °C) |
| pKa | 14.46±0.10(Predicted) |
Products Description
What is 1, 3-Propanediol CAS 504-63-2?
1,3-Propanediol is a colourless hygroscopic viscous liquid. It is miscible with many solvents and slightly soluble in ether. It is used in the production of polyester, polyether, etc. It is a moisturising agent for cosmetics, a food additive, and an intermediate in the synthesis of drugs, and should be used with care to avoid contact with eyes and skin.


Applications of 1, 3-Propanediol:
- Industrial field: It is an important raw material for the production of polyester, polyether and other polymer materials, and can be used in the manufacture of polypropylene terephthalate (PTT) fibres.
- Cosmetic field: 1, 3-Propanediol is often used as humectant and solvent, which can keep the skin moist and at the same time help the dissolution and absorption of other ingredients.
- Food field: It can be used as a food additive, as a humectant, thickener, etc. to improve the texture and taste of food.
- Pharmaceutical field: It is an important intermediate for drug synthesis, and can also be used in the preparation of some medicinal excipients, such as for the preparation of ointment, cream and other preparations, to increase the stability and transdermal absorption of drugs.
Why choose GNEE BIO?
1. Can provide high quality and competitive price.
2. Free samples for your evaluation.
3. Use the local transportation company to transport the goods, so that you can receive the goods quickly.
4. We will inform you all the information of each stage in advance.
5. Packaging can be customized.
6. Respond at the first time before and after sale.
We want a win-win business. Send your inquiry and you will get it!
Packaging & Shipping
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
We will deliver the goods intact to you by express.
If you want to know the shipping cost, please send an inquiry with your address.


Company Profile
GNEE BIO company established in 2016, is a comprehensive enterprise dedicated to the production and distribution of a wide range of high-quality chemical products.Our expertise spans a wide range of fields, including organic chemicals, organic intermediates, plant growth regulators and more. As both manufacturers and distributors, we are committed to delivering superior products and services to meet the diverse needs of our clients.
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FAQ
Q: Do you test all your goods before delivery ?
A: Yes, we have 100% test before delivery, will provide COA together with .
Q: What is your MOQ ?
A: Depending on the product you need, we will check the minimum packaging, please contact us for specific details .
Q: Where is the port of loading?
A: Usually Shanghai port or Qingdao port.
Q: How to get samples?
A: Please send us your address, we are honored to provide samples for you.
Q: Which kind of payment terms do you accept?
A: For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account.
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