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Ester

Your Professional Ester Manufacturer

 

 

Shandong Ruishuang Chemical Co., Ltd. is located in the High-tech Development Zone of Zibo City, Shandong Province. It specializes in the production and sales of various organic chemical solvents. With 30 years of rich experience, the company's products are widely used in pesticides, medicines, polyesters, coatings, dyes and petrochemicals. Our products include Dimethyl Carbonate, Methyl Acetate, Butyl Acetate, Tetrahydrofuran (THF), etc.

 

Why Choose Us
 

Quality Control
The company collaborates extensively with authoritative technical centers, laboratories, and testing institutions to ensure that each batch of products undergoes rigorous inspection and meets stringent quality standards.

 

Sales Market
Our products are exported to a wide range of countries and regions, including North America, South America, the Middle East, Southeast Asia, India, and Pakistan. They have earned widespread market recognition and customer trust.

 

Patent Certificate
The company's products comply with both domestic and international quality standards and have been awarded ISO9001 certification, guaranteeing their high quality and reliability.

 

One-stop Service
The company has established a comprehensive supply chain system that integrates warehousing, packaging, logistics, and transportation. This system provides global customers with all-encompassing and high-quality products and services, both online and offline.

Methyl Acetate

 

Ester Introduction

Esters are derived from carboxylic acids. A carboxylic acid contains the -COOH group, and in an ester the hydrogen in this group is replaced by a hydrocarbon group of some kind. This could be an alkyl group like methyl or ethyl, or one containing a benzene ring like phenyl.

 

Our Best-Selling Ester Products

 
 

Methyl Acetate
Methyl acetate is a flammable liquid with a characteristically pleasant smell reminiscent of some glues and nail polish removers. Methyl acetate is occasionally used as a solvent, being weakly polar and lipophilic, but its close relative ethyl acetate is a more common solvent being less toxic and less soluble in water.

 
 

Butyl Acetate
Butyl acetate is commonly manufactured by the Fischer esterification of butanol (or its isomer to make an isomer of butyl acetate) and acetic acid with the presence of sulfuric acid.
It is miscible with hydrocarbons, esters, alcohols and ethers, and it has low water solubility. An ester with an average evaporation rate, used mainly in coatings for automotive industry due to its high solubility in the main natural and synthetic resins used in this segment.

 
 

Tetrahydrofuran (THF)
Being polar and having a wide liquid range, THF is a versatile solvent. In the presence of strong acids, THF converts to a linear polymer called poly(tetramethylene ether) glycol (PTMEG), also known as polytetramethylene oxide (PTMO).
The other main application of THF is as an industrial solvent for polyvinyl chloride (PVC) and in varnishes.

 
 

Isopropyl Acetate
Isopropyl acetate is a solvent with a wide variety of manufacturing uses that is miscible with most other organic solvents, and slightly soluble in water (although less so than ethyl acetate). It is used as a solvent for cellulose, plastics, oil and fats. It is a component of some printing inks and perfumes.

 

 

Our Company Has More Products to Offer, Please Browse the Product Categories on the Website, If You Have Any Needs, Please Contact Us.

 

Ester Properties

 

 

Condensed Structural Formula

Name

Molar Mass

Melting Point (°C)

Boiling Point (°C)

Aroma

HCOOCH3

Methyl formate

60

−99

32

  

HCOOCH2CH3

Ethyl formate

74

−80

54

Rum

CH3COOCH3

Methyl acetate

74

−98

57

  

CH3COOCH2CH3

Ethyl acetate

88

−84

77

  

CH3CH2CH2COOCH3

Methyl butyrate

102

−85

102

Apple

CH3CH2CH2COOCH2CH3

Ethyl butyrate

116

−101

121

Pineapple

CH3COO(CH2)4CH3

Pentyl acetate

130

−71

148

Pear

CH3COOCH2CH2CH(CH3)2

Isopentyl acetate

130

−79

142

Banana

CH3COOCH2C6H5

Benzyl acetate

150

−51

215

Jasmine

CH3CH2CH2COO(CH2)4CH3

Pentyl butyrate

158

−73

185

Apricot

CH3COO(CH2)7CH3

Octyl acetate

172

−39

210

Orange

 

Synthesis of Esters

 

 

Carboxylic acids can react with alcohols to form esters

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Transesterification

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Acid chlorides react with alcohols to form esters

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Acid Anhydrides react with alcohols to form esters

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Applications of Esters
Formic Acid
1,4-Butylene Glycol(BDO)
Isopropyl Acetate
Dichloromethane （DCM)

Cosmetics and Personal Care
In the cosmetics and personal care industry, esters are commonly used as emulsifiers, moisturizers, and skin-conditioning agents. Glyceryl esters and sorbitan esters are particularly effective at helping to stabilize emulsions in lotions, creams, and shampoos.


Food and Beverages
Esters play a significant role in the food industry, especially as flavoring agents, emulsifiers, and preservatives. Fatty acid esters are commonly used to improve the texture and consistency of food products, while sorbitan esters help maintain the stability of emulsions in spreads and dressings. Some esters are used as food additives to extend shelf life and improve food quality.


Pharmaceuticals
In the pharmaceutical industry, esters are used to improve the solubility and bioavailability of drugs. PEG esters, for example, are commonly used in drug formulations to enhance the absorption of active ingredients. Glyceryl esters and phosphate esters are also utilized in pharmaceutical applications as emulsifiers and stabilizers in oral medications, topical creams, and ointments.


Metalworking and Lubricants
Esters are widely used in the manufacturing of lubricants, hydraulic fluids, and metalworking fluids. Glycol esters and fatty acid esters, in particular, offer excellent lubrication properties and are used in applications ranging from automotive oils to cutting fluids for metalworking. These esters provide efficient heat transfer, reduce wear and tear on machinery, and help prevent corrosion.


Industrial Applications
Esters also have a wide range of industrial applications, including the manufacture of paints, coatings, and adhesives. Phosphate esters, in particular, are used as fire-resistant additives and anti-wear agents in industrial lubricants. They are also employed in textile and paper industries to improve the quality and durability of products.

 

 

Ester Storage

Carbon, aluminum, and stainless steel tanks are suitable in storing of esters. A storage tank lined with a baked phenolic resin should be used if there is critical product quality and if it is detrimental to produce end-use with trace iron pickup. Esters are characterized with high volatility and high flammability. Both low boiling point and high boiling point esters should be stored under dry nitrogen to exclude air and moisture from the storage tank.


It is adequate to have transfer lines of carbon steel. It is recommended that esters use an explosion-proof motor driven centrifugal pump. Heating of outside tanks and lines is not necessary since esters have low freezing points and low viscosities.


Most common elastomers however are not compatible with esters.

Ethylene Glycol

 

Ester Safety, Handling and First Aid

 

 

 

SYMPTOMS

PREVENTION

FIRST AID

Inhalation

Cough. Sore throat. Dizziness. Headache.

Use ventilation, local exhaust or breathing protection.

Fresh air, rest. Refer for medical attention.

Skin

Dry skin.

Protective gloves.

Remove contaminated clothes. Rinse skin with plenty of water or shower.

Eyes

Redness. Pain.

Wear safety goggles or eye protection in combination with breathing protection.

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

Ingestion

Nausea.

Do not eat, drink, or smoke during work.

Rinse mouth. Do NOT induce vomiting. Refer for medical attention .

 

Cyclohexane

 

Packing

● Label: Can be customized


● Packing container: Packed in drums


● Quantity: 180kg/drum, 4 drums in one pallet (if needed)

 

Our Working Process
1

Set a Strategy

Determine quantity, style and delivery time.

2

Sign Contract

Provide efficient, high-quality services.

3

Production

Strict control and quality control at all levels.

4

Delivery

Delivery to customers according to contract time.

 

FAQ

 

Q: What are esters?

A: Esters are derivatives of carboxylic acid and a major functional group in organic chemistry with the formula RCOOR.

Q: Do esters participate in hydrogen bonding?

A: Yes, esters participate in hydrogen bonding as a hydrogen bond acceptor and not as a hydrogen bond donor.

Q: What is an esterification reaction?

A: The reaction of the formation of esters by condensation of carboxylic acid and alcohol in an acidic medium is called an esterification reaction.

Q: Which molecule is eliminated during an esterification reaction?

A: Water (H2O) molecule is eliminated during an esterification reaction.

Q: Is the esterification reaction reversible?

A: Yes, esterification is a reversible reaction.

We're well-known as one of the leading ester manufacturers and suppliers in China. Please feel free to buy high quality ester made in China here from our factory. For price consultation, contact us.

Dimethyl Carbonate, Butyl Acetate, ester