Narrow distribution of C9-11 alcohol ethoxylate CAS 68439-46-3

The C9-11 Alcohol Ethoxylate with a narrow distribution is easy to prepare and has a high deoiling efficacy. The dual turbidity characteristics of this product allow for a wide range in washing temperatures.

The following is a list of the most recent articles about  C9-11 Alcohol ethoxylate distribution is restricted  : 

Relative density: Due to its relatively complex molecular structure and relatively large molecular mass, the relative density of C9-11 alcohol ethoxylate is generally greater than that of water but less than that of most other organic solvents.

Solubility: The substance has good solubility and can dissolve in various organic solvents, such as alcohol, ether, ester, etc., but is also easily soluble in water.

Stability: However, hydrolysis or other chemical reactions, such as strong acids or bases, may occur under certain conditions.

Safety: C9-11 alcohol ethoxylate is safe for normal use and handling, but direct contact with skin and eyes should be avoided. Prolonged inhalation or ingestion of excessive amounts of C9-11 alcohol ethoxylate may have adverse health effects.

Synthesis and application: C9-11 alcohol ethoxylate is widely used in daily chemicals, cosmetics, pesticides, medicine and other fields as a surfactant, emulsifier and solvent enhancer. The addition reaction of the corresponding C9-11 alcohol with ethylene oxide prepares it.

Ecological and environmental impact: C9-11 alcohol ethoxylate has little impact on the ecological environment. However, because it may react with other substances or be broken down by microorganisms, long-term large emissions may have a certain impact on the environment.

Storage and treatment: C9-11 alcohol ethoxy ester should be stored in a dry, cool, well-ventilated place, away from fire and heat sources. When using and handling, wear appropriate personal protective equipment, such as chemical protective glasses, lab clothes, and chemical protective gloves.

 Technical Parameters of Narrow Distribution of C9-11 Alcohol Ethoxylate

Applications of Narrow distribution C9-11 Alcohol Etoxylate：

Personal Care and Cosmetics: C9-11 alcohol ethoxylate is widely used in the personal care and cosmetic industries due to its good surface activity and emulsifying properties. It can be used as an ingredient in cleaning products, shampoos, body washes, skin care products, etc., to help improve the cleaning effect and skin feel of products. In addition, it can also be used as a stabilizer for emulsions and pastes, improving the stability and durability of the product.

Pesticides and agriculture: In the field of pesticides and agriculture, C9-11 alcohol ethoxylate can be used as an emulsifier and dispersant of pesticides to help pesticides better attach and penetrate the surface of plants, thereby improving the control effect of pesticides. In addition, it can also be used as a component of plant growth regulators to promote plant growth and development.

Pharmaceutical field: In the pharmaceutical field, C9-11 alcohol ethoxylate can be used as a carrier and solubilizer of drugs to help drugs dissolve and release better, thereby improving the efficacy and bioavailability of drugs. For example, in local drug delivery systems, it can be used as a carrier of drugs, delivering drugs directly to the lesion site.

Industrial field: In the industrial field, C9-11 alcohol ethoxylate can be used as an industrial cleaning agent, an additive for paints and coatings, a softener for textiles and an antistatic agent. It can improve the cleaning effect, improve the surface properties of the coating, and increase the softness and antistatic properties of the textile.

Environmental governance: Because C9-11 alcohol ethoxylate has good dispersion and stability, it also has a certain application in environmental governance. For example, it can be used as an ingredient in water treatment agents to help remove impurities and pollutants from water. In addition, it can be used as an ingredient in soil restorers to help improve soil quality and promote plant growth.

Oil and gas:  C9-11 alcohol ethoxylate can be used as an additive to drilling fluids to help control the viscosity and rheology of drilling fluids and improve drilling efficiency and safety. In addition, it can also be used as an additive to fuel oil and lubricating oil to improve the performance and service life of oil products.

Production Method of Narrow distribution C9-11 Alcohol Etoxylate：

Direct esterification

Direct esterification is a commonly used method to prepare C9-11 alcohol ethoxylate. The method is to prepare C9-11 alcohol ethoxy ester by direct esterification reaction of alcohol and ethoxy acid. The specific steps are as follows:

Alcohol selection and preparation: The alcohol of C9-11 is selected as the raw material, purified and dehydrated, to ensure its quality and purity.

Esterification reaction: The alcohol of C9-11 and ethoxy acid are esterified under the action of the catalyst. Common catalysts include sulfuric acid, phosphoric acid, p-toluene sulfonic acid, etc. Temperature and pressure must be controlled during the reaction to avoid side reactions.

Product separation and purification: After the reaction, C9-11 alcohol ethoxylate is separated from the reaction mixture by distillation, crystallization, extraction and other methods, and further purification treatment is carried out to obtain high-purity C9-11 alcohol ethoxylate.

Quality inspection and control: Quality inspection and control of the final product to ensure it complies with relevant standards and customer requirements.

The advantages of direct esterification are that it is simple to process and convenient, and high-purity C9-11 alcohol ethoxylate can be obtained. However, this method needs to use a lot of ethoxy acid and alcohol, the production cost is high, and it may produce a lot of wastewater and exhaust gas, which has a certain impact on the environment.

Transesterification method

The method is to prepare C9-11 alcohol ethoxy ester by transesterifying alcohol and fatty acid. The specific steps are as follows:

Preparation of alcohols and fatty acids: Appropriate C9-11 alcohols and fatty acids are selected as raw materials, purified and dehydrated to ensure their quality and purity.

Transesterification reaction: The transesterification reaction between alcohol and fatty acid under a catalyst. Commonly used catalysts include acidic catalysts, alkaline catalysts and enzymes. Temperature and pressure must be controlled during the reaction to avoid side reactions.

Product separation and purification: After the reaction, C9-11 alcohol ethoxylate is separated from the reaction mixture by distillation, crystallization, extraction and other methods, and further purification treatment is carried out to obtain high-purity C9-11 alcohol ethoxylate.

Quality inspection and control: Quality inspection and control of the final product to ensure it complies with relevant standards and customer requirements.

The advantage of transesterification is that fewer raw materials are used, the production cost is reduced, the wastewater and gas generated are less, and the environmental impact is less. In addition, by choosing different fatty acids and alcohols, different structures of C9-11 alcohol ethoxylate can be prepared, providing more possibilities for product diversification. However, the transesterification process is more complicated, requiring further research and optimization.

Packing & Shipping Narrow distribution C9-11 alcohol ethoxylate
The packaging we use depends on the distribution of C9-11 alcohol-ethoxylate.
Narrow distribution C9-11 alcohol Ethoxylate Packing: 1kg per bottle, 25kg per barrel, or 200kg per barrel.
C9-11 Alcohol Etoxylate Shipping: Once payment has been received, goods can be shipped by sea, air or express as soon as practicable.

Narrow Distribution of C9-11 Alcohol Etoxylate Properties    

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