Hey there! As a supplier of CAS 115 - 96 - 8, I'm super stoked to share with you the synthesis methods of this chemical. CAS 115 - 96 - 8 is Tri(2 - chloroisopropyl) Phosphate, which is widely used as a flame retardant in various industries.
Basic Introduction to Tri(2 - chloroisopropyl) Phosphate
Before we dive into the synthesis methods, let's have a quick look at what Tri(2 - chloroisopropyl) Phosphate is. It's a colorless to pale - yellow liquid under normal conditions. This chemical is highly valued for its ability to enhance the fire - resistance of materials, making it a popular choice in plastics, textiles, and other products. You can find more details about it on our website Tri（2 - chloroisopropyl) Phosphate.
Synthesis Methods
Method 1: Reaction of Phosphorus Oxychloride with 2 - Chloropropanol
One of the most common ways to synthesize Tri(2 - chloroisopropyl) Phosphate is through the reaction between phosphorus oxychloride ($POCl_3$) and 2 - chloropropanol.
The reaction process goes like this: First, you need to mix the reactants in a suitable reaction vessel. Usually, an organic solvent like toluene is used to dissolve the reactants and facilitate the reaction. The reaction is exothermic, so proper cooling measures are necessary to control the temperature.
The chemical equation for this reaction is:
$POCl_3+3C_3H_7ClO\rightarrow C_9H_{18}Cl_3O_4P + 3HCl$
Here's a step - by - step breakdown of the process:
- Mixing: Add phosphorus oxychloride and 2 - chloropropanol into the reaction flask containing the solvent. Stir the mixture well to ensure uniform distribution.
- Reaction: Heat the mixture gently to start the reaction. As the reaction proceeds, hydrogen chloride gas is released. You need to have a gas - collecting device to capture the HCl gas safely.
- Purification: After the reaction is complete, the crude product is obtained. This crude product contains impurities such as unreacted starting materials and by - products. Purification steps like distillation or extraction are then carried out to obtain pure Tri(2 - chloroisopropyl) Phosphate.
The advantage of this method is that the starting materials are relatively easy to obtain, and the reaction conditions are not extremely harsh. However, the generation of hydrogen chloride gas can be a problem as it is corrosive and requires proper handling.
Method 2: Transesterification Reaction
Another method to synthesize Tri(2 - chloroisopropyl) Phosphate is through a transesterification reaction. In this method, a phosphate ester, such as Triphenyl Phosphate, reacts with 2 - chloropropanol.
The general idea of transesterification is to exchange the ester groups between two different esters. The reaction is usually catalyzed by a base or an acid. For example, sodium methoxide can be used as a base catalyst.
The reaction equation can be represented as:
$C_{18}H_{15}O_4P + 3C_3H_7ClO\rightarrow C_9H_{18}Cl_3O_4P+3C_6H_5OH$
Here's how the process works:
- Mixing and Catalyst Addition: Combine Triphenyl Phosphate and 2 - chloropropanol in a reaction vessel. Add the catalyst to start the transesterification reaction.
- Reaction Conditions: Heat the mixture under reflux conditions. The reaction usually takes several hours to complete. During the reaction, the by - product phenol is formed.
- Separation and Purification: After the reaction, the mixture is cooled. The product and the by - product are then separated using techniques like distillation or extraction. The product is further purified to remove any remaining impurities.
The benefit of the transesterification method is that it can sometimes be more selective and may produce fewer side - products compared to the reaction with phosphorus oxychloride. But it requires a suitable phosphate ester as a starting material, which may increase the cost in some cases.
Comparison of Synthesis Methods
Both methods have their pros and cons. The reaction of phosphorus oxychloride with 2 - chloropropanol is more straightforward in terms of the starting materials, but it generates a corrosive gas. On the other hand, the transesterification method may be more selective but relies on the availability of a suitable phosphate ester.
When choosing a synthesis method, factors such as cost, availability of starting materials, reaction yield, and environmental impact need to be considered.
Applications of Tri(2 - chloroisopropyl) Phosphate
Tri(2 - chloroisopropyl) Phosphate is mainly used as a flame retardant. It can be added to various polymers, such as polyurethane foams, polyvinyl chloride (PVC), and epoxy resins, to improve their fire - resistance. You can find more information about flame retardants on our website, including TRIXYLYL PHOSPHATE.
Why Choose Our Tri(2 - chloroisopropyl) Phosphate
As a supplier of Tri(2 - chloroisopropyl) Phosphate, we take pride in offering high - quality products. Our synthesis process is carefully controlled to ensure the purity and consistency of the product. We also follow strict safety and environmental standards during production.
If you're in the market for Tri(2 - chloroisopropyl) Phosphate or have any questions about its synthesis, applications, or other related aspects, don't hesitate to reach out to us for a purchase negotiation. We're here to provide you with the best service and the highest - quality product.
References
- "Organic Chemistry" by Paula Yurkanis Bruice
- "Flame Retardancy of Polymeric Materials" edited by Horace L. Marcus
So, that's all about the synthesis methods of CAS 115 - 96 - 8. If you have any further questions or want to start a purchase negotiation, just let us know!
