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Tributyl Citrate CAS 77-94-1

Molecular Formula: C18H32O7

Formula Weight: 360.44

ZSpharmac: Tributyl Citrate Raw Material Supplier

Product Name: Tributyl Citrate
CAS No: 77-94-1
Purity: 99%

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Basic Info

Product Name:Tributyl Citrate
Other Names:Tributylcitrate(TBC)
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Clear Liquid
EINECS No.:201-071-2
Storage:Store Below +30°C.
Provide:Tributyl Citrate MSDS;
Tributyl Citrate COA

What is Tributyl Citrate?

Tributyl citrate (TBC) is an exceptional environmentally friendly plasticizer and lubricating substance. It is secure, fruity fragrance, colorless and clear oily liquid at space temperature. Boiling point is 170 ℃ (133.3 ), flash point (open cup) is 185 ℃. Soluble in a great deal of natural solvents. It has decreased volatility, excellent compatibility with material, and high plasticizing efficiency. It is permitted to be used in food product packaging and clinical and sanitary things, along with youngsters’s soft toys, drugs, medical products, tastes and fragrances, cosmetics creating and various other markets in Europe and the U.S.A.. It can give products good cool resistance, water resistance and mold resistance. After being plasticized by this product, the material shows excellent openness and low-temperature flexing efficiency, and has reduced volatility and reduced extractability in different media. It has terrific thermal stability and does not modify shade when exposed to heat. The lubricating oil prepared with this product has outstanding lubricating homes.

Tributyl Citrate Property

Melting point ≥300 °C(lit.)
Boiling point 234 °C (17 mmHg)
density 1.043 g/mL at 20 °C (lit.)
refractive index n20/D 1.445
Fp 300 °C
storage temp. Store below +30°C.
solubility Miscible with acetone, ethanol, and vegetable oil; practically insoluble in water.
form Liquid
color Clear
Water Solubility insoluble


Tributyl Citrate Uses

Tributyl citrate (TBC), as one of the brand-new generation of eco-friendly plasticizers, has actually attracted the interest of nations worldwide. The United State Food and Drug Administration (FDA) has accepted its use in medical gadgets, food product packaging products, children’s toys and personal hygiene products. TBC is a naturally degradable plasticizer with the advantages of good compatibility, low volatility, and high plasticizing performance. In addition, it likewise has superb cold resistance, light resistance, water resistance and mildew resistance.

TBC is extensively utilized in food, medicine and tool product packaging. Given that TBC has the advantages of excellent compatibility with polyvinyl chloride (PVC) and high plasticization efficiency, PVC movies plasticized with TBC have good air leaks in the structure and Water permeability can maintain meat fresh and prolong the service life of veggies; in the pharmaceutical market, adding TBC as a provider to medicines can make the outer surface of the medication highly elastic and challenging to damage, and its presence can make the medicine adhere to the demands within a particular amount of time. It is gradually released in the body at a particular rate, preserving the reliable focus of the drug in the blood, and achieving the objective of efficient treatment; in regards to biodegradation, including suitable TBC to the degraded polymer product can transform the polymer from an inflexible chain to a flexible chain. and provides it workability.

On top of that, TBC can likewise be made use of as a basic material for the manufacturing of an additional environmentally friendly plasticizer, acetyl tributyl citrate (ATBC). The synthesis of TBC and dioctyl phthalate is obtained by the esterification reaction of acid and alcohol under the activity of a stimulant. Typical esterification reactions usually make use of focused sulfuric acid as the catalyst, which can completely speak to the reactants. It has high catalytic activity and low cost; nonetheless, there are several shortcomings in using focused sulfuric acid as a catalyst, such as problem in separation from the item, several side responses, rust of equipment, and environmental pollution. Consequently, research and development of brand-new environmentally friendly stimulants has actually become the focal point.

Compared to liquid acid drivers, solid acid stimulants have superior advantages: (1) they are easy to divide from the item after the reaction; (2) they are simple to restore and have great reusability; (3) they are simple to accomplish constant manufacturing; (4) they are The devices is non-corrosive; (5) easy to store and manage; (6) green and pollution-free. Based on the above advantages, people continue to create brand-new strong acid drivers and catalytic procedures to meet the needs of laboratories and industries, and strong acid drivers have actually also been extensively made use of.

At the same time, strong acid drivers additionally have some shortcomings: (1) The catalytic task of strong acids is not just as good as that of liquid acid stimulants such as sulfuric acid; (2) The thermal stability of solid acids is poor and is quickly deactivated throughout the response, making the catalytic The service life is reduced; (3) For some specific reactions, strong acids can not satisfy the demand as a result of their differing acid strengths; (4) The cost is higher. For example, the above-mentioned issues have been run into during using strongly acidic cation exchange resins. On the one hand, their catalytic activity is low enough;

On the other hand, its warm resistance and stability, the use temperature is restricted to listed below 120 ° C. Above this temperature level, the stimulant is very easy to collapse and lose the catalytic sulfonic acid team, resulting in catalyst deactivation. These drawbacks limit the application of strong acid drivers. In order to make complete use of the incomparable benefits of solid acids, it is essential to create new methods and brand-new paths to get over the drawbacks and deficiencies of strong acids and enhance them to increase their industrial applications.

Synthesis Process of Tributyl Citrate

The things of the here and now creation is to get over the imperfections in the prior art and offer an approach that can quickly recuperate p-toluenesulfonic acid and reuse it as a catalyst for the next batch of production of tributyl citrate. At the same time, this technique provides An approach for producing citric acid monoesters and recycling diesters decreases neutralization losses, increases product yield, reduces prices, lowers raw material exhausts, and lowers contamination.

1. The chain reactions on which the here and now development is based are as complies with:

2. The service of today invention primarily consists of the adhering to actions:

( 1) Mix citric acid monohydrate and n-butanol, after that add p-toluenesulfonic acid and triggered carbon, pass in nitrogen and manage the reaction at a temperature level of 125 ~ 135 ° C, a pot stress of ≤ 0.015 Mpa, and an acid value of ≤ 2.3 mgKOH/ g is the end factor of esterification, and the esterified item is obtained; the molar proportion of the citric acid monohydrate and n-butanol is 1:3.5 to 4.5, and the weight of the p-toluenesulfonic acid is 1.0% of the weight of citric acid monohydrate. 7 ~ 3.0% (that is, 0.021 ~ 0.037 times the molar amount of citric acid monohydrate);.

( 2) Dealcoholize the esterified item for the first time to a flash point > 162 ° C;
. (3) Liquify and recoup p-toluenesulfonic acid in the esterified product after dealcoholization with 1.6 to 2.0 times the weight of the stimulant, and include the apart aqueous stage to the following batch of production steps (1) for recycling.;.

( 4) Add alkali service to the oil phase to counteract it to pH= 7.0-7.5, get rid of the water phase, and wash the oil stage till neutral;.

( 5) Add the washed esterified item to turned on carbon and dealcoholize it once again to a flash point > 180 ° C to acquire crude ester;.

( 6) The unrefined ester is filteringed system to get the industrial item Tributyl Citrate.

Contact Us

About Products:
If you need the cosmetic raw material Tributyl Citrate, please contact our service staff directly, we will provide you with high-quality products at the best price.
Our company, as an experienced manufacturer and supplier of Tributyl Citrate, ZSpharmac will provide Tributyl Citrate raw materials to customers around the world for a long time.
Over the years, the company has adhered to the spirit of “integrity management, strict quality control, and customer first” and has won unanimous praise from customers at home and abroad.

Company Profile and Corporate Culture

Company Profile:

ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .

The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .

The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

Corporate Culture:

Help China Chemicals to benefit the happiness of human life
Become the most trusted chemical supplier in the world
Striver – oriented, enrich employees, customer first, deep service, seek development
Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Cosmetic raw materials
  • Products/Service:Cosmetic raw materials (flavors and fragrances,antioxidant products, moisturizing and hydrating, whitening agents, cosmetic additives)
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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