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Gamma-Decalactone CAS 706-14-9

Molecular Formula: C10H18O2

Formula Weight: 170.25

ZSpharmac: Gamma-Decalactone Supplement

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Product Name: Gamma-Decalactone
CAS No: 706-14-9
Purity: 99%

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Basic Info

Product Name:Gamma-Decalactone
Other Names:γ-Decalactone, 98%
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Plant Extracts
Appearance:Colorless to Pale Yellow Liquid
EINECS No.:211-892-8
Provide:Gamma-Decalactone MSDS;
Gamma-Decalactone COA

What is Gamma-Decalactone?

Gamma-Decalactone, naturally found in peaches, almonds, strawberries and other fruits. I-decalactone, atmospheric boiling point 281°C/156°C (2.3kPa), soluble in ethanol (1ml in 1mL 90% ethanol), benzyl alcohol, benzyl benzoate, propylene glycol, lye, most non-volatile oils And mineral oil, almost insoluble in glycerol and water. It is a colorless transparent to slightly yellow viscous liquid with a strong aroma of coconut and peach, and a peach-like aroma when diluted.

As one of the most commonly used fragrances, Gamma-Decalactone is the most important in the lactone series of synthetic fragrances, and it is also one of the products with the largest usage and sales volume, second only to the usage of peach aldehyde and coconut aldehyde, and is widely used in With fruity fragrance as the keynote, especially in edible flavors that need to contain peach flavor, it can also be used to prepare flavors for food, soap making, daily cosmetics, and can also be used as a margarine flavor enhancer. G-decalactone is used in the formulation of daily chemical essences, mainly for the preparation of orange blossom, lilac, acacia, jasmine, violet and other floral fragrances, in the daily use of sweet-scented osmanthus, lily of the valley, white rose, etc. The amount used in spices is usually within 10%, and IFRA has no restrictions. At the same time, gamma-decalactone can also be used as a food additive, which is listed in my country’s GB 2760 “Standard for the Use of Food Additives”, and the European Council has listed gamma-decalactone as an artificial food that can be used in food without harming human health. In the flavor table, it is recognized as GRAS by the US FEMA, FEMA number 2360, and is approved by the US Food and Drug Administration for consumption. The usage limit of the product is (mg/kg): soft drinks 2.0; cold drinks 4.5; candy 5.7; baked goods 7.1; puddings 0.08 to 8.0.

Gamma-Decalactone Properties:

Boiling point 281 °C
density 0.948 g/mL at 25 °C (lit.)
refractive index n20/D 1.449
Fp >230 °F
storage temp. 2-8°C
solubility Chloroform (Slightly), Methanol (Slightly)
form neat
color Colourless


Gamma-Decalactone Uses

  1. Gamma-Decalactone is an edible spice that is allowed to be used in GB 2760-96.
  2. Gamma-Decalactone is used in the preparation of food, soap, and daily cosmetic flavors, and can also be used as a margarine flavor enhancer.
  3. Gamma-Decalactone is used in the preparation of fruit flavors, feed flavors, etc.

Gamma-Decalactone Application

CN201810535308.4 discloses a temperature-resistant mango essence and a preparation process thereof, including the following production materials: ethyl acetate, ethyl butyrate, sweet orange oil, caproic acid, caprylic acid, gamma-decalactone, ethyl maltol , furanone, thiogeraniol, dimethyl sulfide, leaf alcohol, benzyl alcohol; it is characterized in that: the weight percentages of the materials are: ethyl acetate 0.2-0.3%; ethyl butyrate 0.6-0.8% ; orange oil 0.4%; caproic acid 0.5%; caprylic acid 0.2%; gamma-decalactone 0.5%; ethyl maltol 1%; furanone 0.5%; %; Leaf alcohol 0.1%; Benzyl alcohol 92.73-95.73%. Through the optimization of process and formula, the system of synthetic fragrance and mango essence was introduced, which significantly improved the volatility of the product. At the same time, benzyl alcohol is used as a solvent, which significantly improves the high temperature resistance of the product without affecting the aroma and flavor of mango.

CN201811099137.1 discloses a formula of peach flavor essence. The components and weight components of the peach flavor essence formula include: ethyl butyrate 1.00%-3.00%, leaf alcohol 0.50%-0.80%, propyl butyrate 0.50% -0.80%, benzaldehyde 0.20%-0.50%, butyl isovalerate 1.00%-3.0%, β-ionone 0.20%-0.50%, α-ionone 0.20%-0.50%, gamma-decalactone 0.50% -0.80%, peach aldehyde 0.50%-0.80%, propionic acid 0.30%-0.80%, folate isobutyrate 0.60%-0.90%, butyl decanolide 0.50%-0.80%, ethyl maltol 0.50%- 0.80%, Propylene Glycol 93.50%-98.50%. The present invention can greatly enhance the aroma of the peach essence by adding 8-mercaptomenthone, butyl-undecalactone and gamma-caprylactone; and by adding a certain proportion of 8-mercaptomenthone, it can be neutralized The aroma of butyl-undecalactone makes the aroma of butyl-undecalactone more natural, softer and more popular with the public; by adding a certain proportion of gamma-caprylactone, the taste of the peach flavor essence can be better and mellow.

Preparation of Gamma-Decalactone

During the reaction, the double bond position is transferred from the chain to the β, γ position, and then the lactonization occurs. The co-thermal reaction of ω-decenoic acid and sulfuric acid will generate more by-products during the reaction process, so the reaction yield is low, and the by-products are many, the reaction selectivity is also relatively low, and the efficiency is relatively low. , and this route uses sulfuric acid as a catalyst, once a large-scale production is formed, a large number of three wastes will be generated in the follow-up treatment;

Using metal or corresponding acetate as oxidant, a large amount of heavy metal-containing waste water is generated after the reaction. Considering from the perspectives of green chemistry and environmental protection, this route requires high cost, which is not conducive to large-scale process production.

Condensation of a carbonyl compound (octanal) and β-halogenated ester (β-bromopropionate) in the presence of zinc yields β-hydroxyester, which is then dehydrated under acid catalysis to generate the corresponding Gamma-Decalactone. Organozinc reagents are used in the synthesis process and must be reacted in an inert solvent, and further research is needed to realize industrialization.

GDL enzymes have catalytic activity in the non-aqueous phase and are widely used in organic synthesis. Among them, lipase is the most widely used, which is cheap, does not require coenzyme, and has strong substrate adaptability. Lipases can not only catalyze the hydrolysis of lipids, but also catalyze esterification and transesterification reactions in the organic phase, including the formation of lactones from hydroxy fatty acids. It is very difficult to cyclize these hydroxy acids by conventional methods, and the yield is very low. It is much easier to complete the cyclization process in an organic medium by an enzymatic method, which undoubtedly provides a large-scale marketization of such flavor lactones. good way. Sometimes other enzymatic methods of biotechnology can also be used when conditions permit. Perhaps in the near future, it will also become one of the important means to solve the problem of the marketization of lactone bioactive substances.

Using n-heptanol to carry out radical addition reaction with acrylic acid or methyl acrylate in the presence of a free radical initiator to prepare propyl-decalactone, which is the synthesis route of propyl-decalactone that can form large-scale production at present. Using n-heptanol and acrylic acid as starting materials, using di-tert-butyl peroxide as an initiator, adding a reaction solvent, firstly adopting a “one-pot cooking” method, free radical addition to synthesize the crude product of gamma-decalactone, and distillation to recover the reaction Solvent, then prepare gamma-decalactone by rectifying and purifying, in this synthesis process, the by-product cannot be separated from the reaction system in time, cause the reaction yield to drop, the reaction time is prolonged, and the product contains low-boiling impurities. Grease odor, high boiling impurities and poor oil consumption of isomers affect the final product aroma quality of Gamma-Decalactone.

CN201810882253.4 overcomes the common problems of complex separation and purification process, high energy consumption, low reaction yield, and unpurified product aroma quality in existing synthetic methods for gamma-decalactone, and provides a simple process and high reaction yield , the reaction speed is fast, the overall cost is relatively low, it is beneficial to form industrialized scale production, and is easy to realize the synthetic method of the gamma-decalactone synthetic fragrance of product serialization.

A method for synthesizing Gamma-Decalactone synthetic fragrance by reactive distillation, it is characterized in that: may further comprise the steps:

(a) 120g of heptanol, 90g of Gamma-Decalactone, 1g of catalyst sodium borohydride and 15g of initiator di-tert-butyl peroxide are added to the 500mL there-necked flask according to the proportion of ingredients, and the electromagnetic stirrer and the heat and cold exchange integrated machine are turned on, Keep the temperature at 20±5°C to obtain the batching mixture;

(b) take by weighing 360g heptanol again, join in the 1500mL heater of reactive distillation column, open electromagnetic stirrer and cold and heat exchange integrated machine, the temperature of heater is raised to 115~175 ℃ and insulation, then by The batching mixture in the step (a) is fed into the reaction zone of the reactive distillation column by a dripping pump; the temperature of the heater is controlled to be 145-175° C. during the dripping, and the dripping time is controlled to be 2-4h;

(c) open the tower top condensed water of reactive rectifying tower, separate out by-product tert-butanol and methyl alcohol from the tower top of reactive rectifying tower, separate out excess unreacted heptyl alcohol from the rectifying section side line of reactive rectifying tower Alcohol, the Gamma-Decalactone crude product is separated from the column bottom;

(d) transfer the Gamma-Decalactone crude product of step (c) into the rotary evaporator, open the cold and heat exchange integrated machine connected with the rotary evaporator, open the low vacuum, the control temperature is 95~125 ℃, and the rotational speed is 50~ 160r/min, pressure is 6667~10000Pa, collect low boiling point impurities and residual heptanol;

Then, the temperature is controlled to be 115-155° C., the rotational speed is 50-160 r/min, and the pressure condition is 3333-6667 Pa, and the gamma-decalactone is collected by collection.

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: Additive , Chemical Auxiliary & Catalyst , Organic Chemicals
  • Products/Service: Organic Intermediate,Inorganic Chemistry, APIs, Dyestuffs And Pigments, Fragrance And Spices, Food 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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