Audited Supplier
| Property | Details |
|---|---|
| Chemical Name | Propylene glycol; 1,2 - Propanediol |
| CAS Number | 57 - 55 - 6 |
| EC Number | 200 - 338 - 0 |
| Molecular Formula | C3H8O2 |
| Molecular Weight | 76.09 g/mol |
| Appearance | Colorless viscous liquid |
| Odor | Almost odorless, with a very slight alcoholic smell |
| Melting Point | - 60 °C (lit.) |
| Boiling Point | 187 °C (lit.) |
| Density | 1.036 g/mL at 25 °C (lit.) |
| Flash Point | 225 °F; 107 °C (open), 98.9 °C (closed) |
| Explosion Limit | 2.4 - 17.4% (v) |
| pH Value | 6 - 8 (100 g/L, H2O, 20 °C) |
| Vapor Pressure | 0.08 mmHg (20 °C) |
| Vapor Density | 2.62 (vs air) |
| Solubility | Miscible with water, ethanol, acetone, ethyl acetate, chloroform, and soluble in ether and many essential oils. Slightly soluble in chloroform, ethyl acetate, and methanol. Not miscible with petroleum ether and paraffin oil |
| Storage Condition | Store at +5 °C to +30 °C. Hygroscopic, should be stored in a cool, dry, and dark place in an air - tight container |
- Food Industry: It is used as a solvent for flavors and food colorants, a tobacco - wetting agent, a mildew - prevention and fruit - ripening preservative, and a drug excipient. It can also be used to make propylene glycol eye drops. In the food industry, it is often used to improve the texture and shelf life of food products1.
- Chemical Industry: It serves as a raw material for unsaturated polyester resins, epoxy resins, and polyurethane resins. It is also used as a plasticizer, surfactant, emulsifier, and demulsifier1.
- Medical Field: It has good solubility, low toxicity, and low irritation, and is widely used as a solvent, extraction solvent, and preservative for injections (such as intramuscular and intravenous injections) and non - injectable pharmaceutical preparations (such as oral liquids, ophthalmic preparations, otic preparations, dental preparations, rectovaginal preparations, transdermal preparations, etc.). It can dissolve many substances such as corticosteroids, chloramphenicol, sulfonamides, barbiturates, reserpine, quinidine, corticosterone acetate, tetrahydropalmatine sulfate, mechlorethamine hydrochloride, vitamin A, vitamin D, many volatile oils, most alkaloids, and many local anesthetics.
- Other Applications: It can be used as an antifreeze, heat carrier, and lubricant for food machinery. In the cosmetics industry, it is used as a moisturizer and solvent. In the textile industry, it is used for dyeing and finishing processes to improve the quality and feel of fabrics1.
Q1: Can I get some samples?
A: Yes, sure. Usually, we can provide free samples for less than 5 kg, but the customer needs to pay for the shipping.
Q2: What is your MOQ?
A: The minimum order quantity varies for different products, with most requiring a minimum of 1 ton. However, we can accommodate smaller quantities, such as 100kg, with a 100% sample charge.
Q3: How to confirm product quality before placing an order?
A: You can obtain free samples of the products, but you need to cover the shipping fee or arrange for the samples to be sent to us by express. Additionally, you can provide us with your product specifications and requirements, and we will manufacture the products accordingly.
Q4: Is there a discount for bulk purchases? How much is the discount?
A: Yes, we offer discounts for bulk purchases. The discount is determined by evaluating factors such as purchase volume, product type, and cooperation period. Generally, the larger the purchase volume, the greater the discount.
Q5: How do I start paying?
A: Payment can be made by wire transfer, Western Union, PayPal, Visa, Mastercard, T/T, Apple Pay, Google Pay, etc.
Q6: What is the shipping time?
A: We ship the products out within 1-3 days and provide a tracking number. Shipping time varies by country.
Q7: What qualifications and certifications does the company have? Such as ISO certification, etc.
A: Our supply manufacturers hold several authoritative certifications to ensure our products and services meet international standards and industry regulations. This includes the ISO 9001 Quality Management System certification, which indicates we have reached internationally recognized levels in product quality control, production process management, and continuous improvement, providing stable and reliable quality assurance for customers.
Q8: How about the after-sale service of products?
A: After purchasing products from our company, you will be supported by our professional technical team and after-sales team, who will help solve any problems you may encounter.
