Zhishang Chemical

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Zhishang Chemical

Citral CAS 5392-40-5

Molecular Formula: C10H16O

Formula Weight: 152.23

ZSpharmac: Citral Supplier

Product Name: Citral
CAS No: 5392-40-5
Purity: 99%

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Basic Info

Product Name:Citral
Other Names:Citral Natural
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Colorless to Light Yellow Liquid
EINECS No.:226-394-6
Provide:Citral MSDS;
Citral COA

What is Citral?

Citral (in addition described as geranial aldehyde) is a light yellow oily unsteady fluid with a lemon scent, barely soluble in water, yet soluble in all-natural solvents such as ethanol, ether, propylene glycol, glycerin, as well as mineral oil. The relative thickness is 0.891 (25/25 ° C), along with the boiling point is 228-229 ° C. Exist in citrus oil, lemon oil, lemongrass oil, litsea cubeba oil, lime oil, verbena oil in addition to also other plant important oils.

The chemical homes of citral are reasonably active, and it is simple to go through redox response to generate geranic acid or geraniol/nerol. Under the activity of sulfuric acid, it can be cyclized to create p-isopropyltoluene. It is unstable in antacids, and can be resinized under the action of solid antacids.

Citral Property

Melting point 


Boiling point 

229 °C (lit.)


0.888 g/mL at 25 °C (lit.)

vapor density 

5 (vs air)

vapor pressure 

0.2 mm Hg ( 200 °C)

refractive index 

n20/D 1.488(lit.)


215 °F

storage temp. 







colorless to light yellow

explosive limit


Water Solubility 




Citral Uses

  1. Citral is an edible spice that is allowed to be utilized according to GB 2760-96. It is mainly made use of in the preparation of lemon, citrus and also diverse fruit tastes, and also is also the main basic material for the synthesis of ionone.
  2. Citral is made use of as a flavoring representative, to prepare lemon significance, as well as likewise as a basic material for the synthesis of ionone as well as vitamin A.
  3. Citral is versatile and used in all areas where the aroma of lemon is preferred. It is a crucial fragrance of lemon type, deodorant timber kind essence, unnaturally prepared lemon oil, bergamot oil as well as orange fallen leave oil. It is the raw material for the synthesis of ionones and methyl ionones. It can also be used to conceal bad breath in commercial manufacturing. It can likewise be utilized in food flavors such as ginger, lemon, white lemon, pleasant orange, pomelo, apple, cherry, grape, strawberry and also spicy. Alcoholic significance can additionally be utilized.
  4. Citral is an edible flavor that is permitted to be used in my country, and also can be utilized to prepare fruit tastes such as strawberry, apple, apricot, sweet orange, as well as lemon.
  5. Citral is utilized in the prep work of synthetic lemon oil, citrus oil, as well as other citrus tastes, fruit tastes, cherry, coffee, plum and other food flavors, and is likewise commonly used as a flavoring representative for tableware detergents, soaps, as well as toilet water.
  6. Citral is a raw material for manufacturing ionone, methyl ionone, and also damascenone; as an organic raw material, it can be decreased to citronellol, nerol, as well as geraniol; it can additionally be exchanged citronellol. It is made use of in the manufacture of vitamins An as well as E in the pharmaceutical market, and also is additionally the raw product of phytol.
  7. Citral In cosmetics and personal care products, citral is utilized in the solution of a selection of products, including aftershaves, bathroom items, creams, fragrances and also colognes, skin care items, and also sunlight care products.

Production Method of Citral

  1. Naturally existing in lemongrass oil, lemon oil, white lemon oil, citrus oil, litsea cubeba oil, as well as verbena oil. It contains 70-80% in the natural necessary oils of lemongrass oil and also litsea cubeba oil, which can be acquired by warm distillation from crucial oils. If it is necessary to create a high-quality item, it can be purified by sodium bisulfite approach and afterwards distilled under decreased pressure. The technique for industrially synthesizing citral is based upon the synthesis of methyl heptenone, and 3,7-dimethyloctene-6-yn-1-ol-3 (dehydrogenation linalool). Then, in the presence of polymerized silicon sulfone stimulant, dehydrolinalool is straight reorganized in an inert solvent at 140-150 ° C. Furthermore, citral can be prepared from industrial geraniol (and also nerol) by gas-phase dehydrogenation under minimized pressure with a copper catalyst.
  2. Using methyl heptenone as raw material to synthesize ethoxyacetylene magnesium bromide as well as condensation of methyl heptenone to generate 3,7-dimethyl-1-ethoxy-3-hydroxy-6-octene-1 -Alkyne, via partial catalytic hydrogenation to get enol ether, the last is hydrolyzed and dehydrated with phosphoric acid to acquire citral, and the return is 68% based upon methyl heptenone. It can additionally be acquired by condensation of acetylene and also methyl heptenone. Hydrolinalool, and then under the catalysis of condensation silicon sulfone, rearrangement at 140 ~ 150 ° C in an inert solvent to get citral.
  3. Splitting up from Litsea cubeba oil (this is the primary approach for generating citral in my nation) Include 30kg of Litsea cubeba oil consisting of about 75% citral, and also include 18kg of sodium bicarbonate, 38kg of salt sulfite and also regarding In the blended option prepared with 165kg of clean water, stir and also react at room temperature for 5 ~ 6h. Stand over night and also separate layers, as well as the reduced layer of citral is sped up in the form of adducts. The adduct was washed with a small amount of toluene to remove oil and also spin-dried. After that add 10% salt hydroxide solution, disintegrate citral at space temperature level, and also remove with benzene. The essence is first distilled under regular pressure (80 ~ 82 ° C )to recuperate benzene, after that distilled under lowered pressure, and the fraction at 110 ~ 111 ° C (1.47 kPa) is gathered to acquire concerning 15 ~ 16kg of 98% pure citral.
  4. Divided from lemongrass oil or litsea cubeba oil by fractional purification or bisulfite technique. It is obtained by oxidation of geraniol, nerol or linalool under the catalysis of chromic acid.

Citral: Determining the Threshold for Inducing Skin Sensitization

A comprehensive review of the offered skin sensitization data on citral was performed with the goal of determining the limit for inducing skin sensitization. A full literary works search was executed in 2007. The on-line databases checked consisted of the Chemical Abstracts Solution and also the National Library of Medication. Additionally, the toxicology data source of the Research study Institute for Scent Products (RIFM) was searched, which included several unpublished records. Based on a weight of evidence strategy, the information from this investigation showed a human NOEL (no observed result level) of 1400 microg/cm( 2) for inducing skin sensitization to citral. Determining this induction threshold will certainly enable danger assessment based upon a brand-new quantitative threat evaluation (QRA) paradigm, concentrating on key prevention of call hypersensitivity to citral. The succeeding analysis will certainly develop the basis of the danger monitoring technique; particularly the brand-new IFRA (Worldwide Fragrance Organization) standard on using citral in consumer products. Determining this induction limit will enable danger assessment based on a new quantitative threat evaluation (QRA) standard, concentrating on primary avoidance of call hypersensitivity to citral. The succeeding analysis will form the basis of the risk management strategy; particularly the new IFRA (International Scent Association) criterion on the use of citral in consumer items. Determining this induction threshold will certainly allow danger analysis based on a brand-new quantitative risk analysis (QRA) paradigm, concentrating on primary prevention of call hypersensitivity to citral. The subsequent evaluation will certainly create the basis of the danger management approach; in particular the new IFRA (International Scent Organization) requirement on making use of citral in consumer products.

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

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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