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Hydroxy Citronellal CAS 107-75-5

Molecular Formula: C10H20O2

Formula Weight: 172.26

ZSpharmac: Hydroxy Citronellal Cosmetic Raw Material Supplier

Product Name: Hydroxy Citronellal
CAS No: 107-75-5
Purity: 99%

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Basic Info

Product Name:Hydroxy Citronellal
Other Names:3,7-Dimethyl-7-Hydroxyoctanal
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Clear Colorless Liquid
EINECS No.:203-518-7
Storage:Under -20°C
Provide:Hydroxy Citronellal MSDS;
Hydroxy Citronellal COA

What is Hydroxy Citronellal?

Hydroxycitronellal, the English name is HYDROXYCITRONELLAL, pen names: hydroxyvanillin, 7-hydroxyvanillin, 7-hydroxy-3,7-dimethyl-1-octanal. Hydroxycitronellal is mainly used as a taste and scent in cosmetics and skin care items. The danger coefficient is 7. Pay extra interest to responses. It generally has no effect on expecting females. Hydroxycitronellal is not acne-causing. It is widely used in flower fragrances such as lily of the valley, lily, hosta, jasmine and narcissus. It has the effect of improving the sensory high quality of cosmetics, however it also has a specific degree of toxicity.

Hydroxy Citronellal Property

Melting point 

22-23 °C

Boiling point 

257 °C(lit.)


0.923 g/mL at 25 °C(lit.)

vapor pressure 

0.547Pa at 20℃

refractive index 

n20/D 1.448(lit.)


>230 °F

storage temp. 

Inert atmosphere,Store in freezer, under -20°C


Benzene (Slightly), Chloroform (Slightly), Methanol (Slightly)






Clear colorless

Specific Gravity



at 100.00 %. floral lily sweet green waxy tropical melon

Odor Type


Water Solubility 

35g/L at 20℃


Hydroxy Citronellal Uses

  1. Hydroxy Citronellal is a flexible fragrance that can be utilized in a selection of floral in addition to numerous non-floral aromas. Used for lily of the valley, linden flowers, lilies and comparable aromas such as rabbit ears, lavenders, etc, to make the fragrance fragile. Utilized in perfume significance, it can give floral fragrance. Soap significance and orange bloom, white lemon and various other flavors can also be used. Those of pure high quality can be utilized in proper quantities for food tastes, which can impart flower scent, enlarge and thicken the scent, and make the fragrance rounded.
  2. Hydroxy Citronellal is a food flavoring allowed to be used according to my country’s “Sanitary Criteria for making use of Food Additives” and is generally used to prepare fruit-type food tastes such as cherries, citrus, and watermelon. The dosage made use of in chewing periodontal is 16 mg/kg; in cold beverages 13 mg/kg; in baked products 10 mg/kg; in sweets 9.4 mg/kg; in sodas 3.5 mg/kg; and in desserts 0.3 mg/kg.
  3. Hydroxy Citronellal is utilized to prepare narcissus, lily of the valley, jasmine and hyacinth fragrances.

Hydroxy Citronellal Preparation

One of the major synthesis techniques of Hydroxy Citronellal is to utilize citronellol as raw material, and then go through hydration and oxidative dehydrogenation to get the product.

图1 羟基香茅醛的合成反应式.png

Experimental Operation:
Stimulant prep work

At 30 ° C, liquify 0.1 mol of FeCl 2 · 4H 2 O in 100 mL of ethanol, stir and liquify entirely to obtain system 1; at 35 ° C, dissolve 0.1 mol of 2,2 ‘- bis( diphenylphosphine) -1,1 ‘- Binaphthyl (BINAP) ligand and 100mL methanol were combined and stirred until there was no turbidity to get system 2; increase the temperature level of system 1 to 50 ° C, and drop the remedy of system 2 into system 1 at an uniform speed., after thirty minutes of trickling, continue to raise the temperature to 60 ° C, keep the response for 6 hours, cool down to 20 ° C, concentrate the reaction system under typical stress till no fluid stage drains, filter, rinse the filtered retentate with water, and rinse the The retentate was dried out under vacuum to get the catalyst BINAP-FeCl 2 for later use.

Preparation of Hydroxy Citronellal
The oxidation reaction was executed in a flask. Hydroxycitronellol (174.29 g) and driver were included percentage, air was bubbled, mixing was begun, and the reaction was kept warm under regular pressure. After the response, the response remedy was assessed making use of a gas chromatograph to compute the conversion rate of hydroxycitronellol and the selectivity of hydroxycitronellal. Then, the unrefined item is distilled to obtain the finished item of hydroxycitronellal, and the pureness of hydroxycitronellal is assessed by gas chromatography.

Contact Us

About Products:
If you need Hydroxy Citronellal as a cosmetic raw material, please contact our service staff directly and we will provide you with high-quality products at the best price.
Our company, as an experienced Hydroxy Citronellal manufacturer and supplier, ZSpharmac will provide Hydroxy Citronellal 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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