Your Professional Chemicals Supplier
Tianjin Pacific Pharmaceutical Technology Group, formerly known as Tianjin North Pharmaceutical Factory established in 1992, has developed into a cross regional large-scale pharmaceutical enterprise group that combines industry, academia, research, and integration of science, industry, and trade after more than 30 years of development.The group is a comprehensive group enterprise mainly engaged in research and development, production, and sales of traditional Chinese and Western medicine preparations and active pharmaceutical ingredients, as well as chemical trade.
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![Propylene Glycol 57-55-6]()
Propylene Glycol 57-55-6Propylene glycol is scientifically named "1,2-propanediol". There is a chiral carbon atom in its molecule. The racemate is a hygroscopic viscous liquid with a slight pungent taste. It is miscible...view more -
![Dipropylene Glycol 110-98-5]()
Dipropylene Glycol 110-98-5Dipropylene glycol is an odorless, colorless, sweet-tasting, water-soluble and hygroscopic liquid at room temperature. It is soluble in water and toluene, and miscible with methanol and ether. It...view more -
![Glycerol 56-81-5]()
Glycerol 56-81-5Glycerol, also known as glycerin, is an organic compound and a simple polyol compound. It is a colorless, odorless, sweet-tasting, viscous liquid and is non-toxic. The glycerol backbone is present...view more -
![N-Butanol 71-36-3]()
N-Butanol 71-36-3N-Butanol, also known as 1-butanol, is a colorless and transparent liquid organic compound with a wine-like odor.view more -
![Monoethanolamine 141-43-5]()
Monoethanolamine 141-43-5Monoethanolamine, also known as 2 - aminoethanol or ethanolamine, is an important organic compound.view more -
![Diethanolamine 111-42-2]()
Diethanolamine 111-42-2Diethanolamine, also known as DEA, is an organic compound with the chemical formula C4H11NO2view more -
![Triethanolamine 102-71-6]()
Triethanolamine 102-71-6Triethanolamine, namely tris(2-hydroxyethyl)amine, is an organic compound and can be regarded as the trihydroxy substitution product of triethylamine. Similar to other amine compounds, due to the...view more -
![Dichloromethane 75-09-2]()
Dichloromethane 75-09-2Dichloromethane, also known as dichloroalkane and methyl chloroform, is abbreviated as DCM. It is a colorless organic compound with a pungent odor similar to that of ether. This compound is formed...view more -
![N-Heptane 764-11-4]()
N-Heptane 764-11-4n - Heptane is a straight - chain alkane with the chemical formula C7H16.view more -
![2-Butoxyethanol 111-76-2]()
2-Butoxyethanol 111-76-2Ethylene glycol monobutyl ether is an organic compound. It is a colorless and transparent liquid, which is soluble in water, acetone, benzene, ether, methanol, carbon tetrachloride and other...view more -
![Diethylene Glycol Monobutyl Ether 112-34-5]()
Diethylene Glycol Monobutyl Ether 112-34-5Diethylene glycol monobutyl ether is an organic compound. It can be miscible with water in any proportion and is soluble in ethanol, ether, oils, and many other organic solvents. It is commonly...view more -
![2-Ethoxyethanol 110-80-5]()
2-Ethoxyethanol 110-80-52-Ethoxyethanol is an organic compound. It is a colorless oily liquid. It is miscible with water and can be miscible with most organic solvents such as ethanol, ether, and acetone. It is mainly...view more
Why Choose Us
High Quality
Upholding excellent quality standards serves as the core pillar of our business. From product research and development to manufacturing and terminal sales, the philosophy of quality has been deeply ingrained in every link of the entire process.
Professional Team
Pacific has continuously introduced various talents as the driving force for enterprise development, fully stimulating the potential of employees, providing them with broad self-development space, gathering everyone's advantages, and fully promoting the continuous progress of the company.
Broad Market
Our products are sold well in 29 provinces, municipalities, and autonomous regions across the country, and exported to multiple countries in Asia, Europe, America, and more.
24-Hour Service
Our dedicated 24-hour online support ensures prompt responses, providing you with an excellent shopping experience. Feel free to reach out with any questions at any time.
Advantages of Propylene Glycol 57-55-6
Thermal Stability
Glycol-based solutions offer excellent thermal stability over a wide temperature range, making them suitable for both hot and cold applications. This property is particularly advantageous in automotive cooling systems and HVAC systems.
Versatility
Glycol's versatility stems from its ability to dissolve a wide range of substances, including water, organic compounds, and some inorganic compounds. This makes it a valuable component in various industries, from automotive to pharmaceuticals.
Hygroscopicity
Glycol's hygroscopic nature allows it to attract and retain moisture, making it an effective humectant in food, cosmetics, and pharmaceutical products. This property helps prevent products from drying out and maintains their quality over time.
Low Volatility
Compared to other solvents, glycol has relatively low volatility, meaning it evaporates slowly at room temperature. This makes it safer to handle and reduces the risk of exposure to harmful vapors in industrial settings.
Strong Solubility: Can dissolve a variety of organic matter, and volatilize quickly, suitable for fast drying process.
Low Flammability: Safer than solvents such as petroleum ether.
Cost-effectiveness: Mature production process and stable price
Physical Properties
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Appearance |
It is a colorless, odorless, and viscous liquid. |
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Melting Point |
-60 °C |
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Boiling Point |
188.2 °C |
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Density |
1.036 g/mL at 25 °C |
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Solubility |
It is miscible with water, alcohol, acetone, chloroform, and other organic solvents, but immiscible with petroleum ether, paraffin, and fats. |
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Appearance |
It is a colorless, volatile liquid with a sweet, chloroform - like odor. |
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Melting Point |
-95.1 °C |
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Boiling Point |
39.8 °C |
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Density |
1.325 g/cm³ at 20 °C |
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Solubility |
It is slightly soluble in water but highly soluble in many organic solvents such as ethanol, ether, and acetone. |
Key Properties of Propylene Glycol 57-55-6
Humectant
Hygroscopic substances keep moisture in foodstuffs.
Stabilizer
Keeps texture consistent and prevents separation.
Carrier
It is used to dissolve and distribute flavorings, colors, and various other additives.
Process of Propylene Glycol
Raw Materials for Propylene Glycol Production
To initiate the propylene glycol production process, the essential raw material is propylene oxide. This compound is commonly obtained through the oxidation of propylene, a byproduct of oil refining. Additionally, water is used for the hydration process, which further contributes to the overall quality of the final product.
Catalytic Hydration Process
The catalytic hydration of propylene oxide is a critical step in the production process. This reaction typically occurs in the presence of a catalyst, which accelerates the conversion of propylene oxide into propylene glycol. The reaction can take place under various conditions, including temperature and pressure, which are optimized to maximize yield and efficiency. The choice of catalyst and reaction conditions can significantly affect the purity and characteristics of the resulting propylene glycol.
Separation and Purification Techniques
Once the catalytic hydration is complete, the next phase involves the separation and purification of propylene glycol from byproducts and unreacted materials. Techniques such as distillation and filtration are employed to achieve a high level of purity, ensuring that the final product meets the stringent specifications required for USP-grade propylene glycol.
Quality Control Measures
Quality control is a vital aspect of the propylene glycol production process. Rigorous testing is conducted at various stages to ensure the product adheres to the required safety and quality standards. This includes checking for impurities, ensuring compliance with regulatory guidelines, and verifying that the final product is suitable for its intended applications.
Environmental Considerations in Production
In recent years, environmental sustainability has become increasingly important in the chemical manufacturing industry. The production process of propylene glycol is designed to minimize waste and reduce the environmental impact. This includes implementing recycling measures for solvents and other materials used during production.
Logistics and Supply Chain Management
Effective logistics and supply chain management are crucial for the distribution of USP-grade propylene glycol.This involves careful planning and coordination with shipping partners to navigate the complexities of international trade, ensuring that their high-quality propylene glycol reaches customers across the without compromise.
Application of Propylene Glycol 57-55-6
Pharmaceuticals
Propylene glycol is widely used as a solvent in drug manufacturing. This means it dissolves other substances (usually solids) without changing their fundamental structure or composition.
Cosmetics
Propylene glycol is a common ingredient in cosmetic, personal, and skin care products. It is in anywhere from 26.4% to 37.8% of registered personal care products.
Industrial Applications
It is used as an antifreeze, coolant, and lubricant in industry. It can also be used as a raw material for the production of polyester resins, polyurethanes, and other polymers.
Uses f Dichloromethane 75-09-2
Solvent
It is widely used as a solvent in various industries. In the pharmaceutical industry, it is used to extract and purify drugs.
Extraction Agent
It is an excellent extraction agent for extracting natural products such as essential oils and alkaloids from plants. It can also be used to extract fats and oils from food samples.
Chemical Intermediate
It is used as a raw material in the synthesis of various organic compounds. For example, it can be used to synthesize dichloromethane - based polymers and other fine chemicals.
FAQ
We're well-known as one of the leading chemicals manufacturers and suppliers in China. If you're going to wholesale high quality chemicals made in China, welcome to get quotation from our factory.
