Our customer service representatives are available 24 hours a day, from Monday to Sunday.
| Catalog Number | CI-SC-0063 |
| Product Name | Dipropylene Glycol |
| CAS | 25265-71-8 |
| Structure |  |
| Synonyms | Oxydipropanol;Propanol, oxybis- |
| Description | Dipropylene glycol is a chemical compound that is often used as a solvent, humectant, and plasticizer. It is a colorless, odorless, and slightly viscous liquid with a low volatility and a high boiling point. This chemical is used in a wide range of products, including personal care products, such as cosmetics, lotions, and shampoos, as it helps to keep the skin moist and soft. |
| IUPAC Name | 1-(1-Hydroxypropoxy)propan-1-ol |
| Molecular Weight | 134.17 g/mol |
| Molecular Formula | C6H14O3 |
| Canonical SMILES | CCC(O)OC(CC)O |
| InChI | QYSXYAURTRCDJU-UHFFFAOYSA-N |
| InChI Key | InChI=1S/C6H14O3/c1-3-5(7)9-6(8)4-2/h5-8H,3-4H2,1-2H3 |
| Boiling Point | 90-95 °C 1mmHg |
| Melting Point | -32 °C |
| Flash Point | 137.8ºC |
| Density | 1.023 g/mL |
| Appearance | Dipropylene glycol is a clear, colorless, and odorless liquid at room temperature. |
| Application | 1. Use as a solvent: Dipropylene glycol is commonly used as an industrial solvent for paint and plastic industries due to its low toxicity, high boiling point, and good solubility. 2. Cosmetics: It is used as an ingredient in cosmetics and personal care products for its emollient properties and ability to improve the texture of products such as lotions, creams, and skin care products. 3. Food additives: Dipropylene glycol is used as a food and flavor additive and is known to enhance flavors and stabilize food products. 4. Antifreeze: Dipropylene glycol is used as an antifreeze and coolant in automotive and industrial applications due to its corrosion-resistant properties and low toxicity. 5. Humectant: It is used as a humectant in various products such as soaps, detergents, and textiles to prevent the material from drying out. 6. Fragrance carrier: Dipropylene glycol is used as a carrier for fragrances and is commonly used in air fresheners, perfumes, and other scented products. 7. Pharmaceutical applications: It is used in some pharmaceutical preparations as a diluent or solvent for various active ingredients. |
| Features And Benefits | 1. Moisturizes the skin 2. Enhances penetration of other ingredients 3. Stabilizes formulations 4. Prevents products from freezing 5. Reduces greasiness of formulations 6. Acts as a solvent for fragrances and essential oils. |
| HS Code | 29094990 |
| pH | 6-7 (100g/l, H2O, 20 °C) |
| Refractive Index | 1.445 |
| Topological Polar Surface Area | 49.7 Ų |
Dipropylene Glycol serves as a versatile solvent and humectant, widely recognized for its application in the cosmetics industry. It is a mixture of isomeric 1,2-dipropylene glycol ethers, originating from the condensation of 1,2-propylene glycol, and presents as a clear, colorless liquid with low volatility and minimal odor. With the capability to blend seamlessly with common organic solvents and water, except for aliphatic and terpene hydrocarbons, it maintains lower hygroscopic properties compared to diethylene and ethylene glycols, and offers reduced volatility when compared to ethylene glycol. Dipropylene Glycol is utilized as a humectant in scenarios requiring consistent moisture retention amidst varying temperature and humidity levels, and as a solubilizer in water-in-oil systems. Additionally, it functions effectively in the separation of aliphatic and aromatic hydrocarbons as an additive for extractants. Based on current guidelines, dipropylene glycol is not classified as a hazardous substance under the EEC's standards for classification and labeling.
What is Dipropylene Glycol, and what are its primary characteristics?
Dipropylene Glycol is a mixture of isomeric 1,2-dipropylene glycol ethers, primarily known as a water-miscible and low-volatility solvent. It is a clear, colorless, almost odorless, oily liquid that is miscible with common organic solvents and water but not freely miscible with aliphatic and terpene hydrocarbons.
In what applications is Dipropylene Glycol commonly used?
Dipropylene Glycol is widely utilized in cosmetics, serving as a humectant where maintaining constant moisture content is vital, regardless of temperature or humidity fluctuations. It is also used as a solubilizer in water-in-oil systems and as an additive for extractants in separating aliphatic and aromatic hydrocarbons.
How does Dipropylene Glycol compare to other glycols like diethylene and ethylene glycol?
Dipropylene Glycol is less hygroscopic than diethylene and ethylene glycols, meaning it retains less moisture from the environment. It is also less volatile than ethylene glycol, making it an excellent choice for applications requiring stable humidity and less evaporation.
Is Dipropylene Glycol considered a hazardous substance?
According to the EEC "Guidelines on Classification and Labelling," Dipropylene Glycol is not regarded as a hazardous industrial substance. It is generally safe for use in various industrial and cosmetic applications, provided standard safety protocols are followed.
What should be considered when using Dipropylene Glycol in formulations?
When using Dipropylene Glycol in formulations, consider its solubility properties and compatibility with other components, particularly noting that it is not freely miscible with aliphatic and terpene hydrocarbons. Additionally, consider its role as a humectant and solubilizer to maximize its benefits in moisture control and stability, especially in cosmetics.
If you have any questions, please contact us. You will get a satisfactory answer.
