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Products Description

Name: Alpha-Ionone

Cas: 127-41-3

Purity: 99%min


Basic Info:







Stock Availability

In stock

Brand Name

Look chem




Product Introduction:

Alpha-Ionone is an organic compound with a molecular formula of C13H20O, a colorless to slightly yellow liquid.

Alpha-Ionone has a warm woody aroma and a strong violet aroma. After being diluted, it has the aroma of orris root. When mixed with ethanol, it has a violet aroma. The aroma is better than p-ionone.

Its products are insoluble in water and glycerin, but soluble in ethanol, propylene glycol, most non-volatile oils and mineral oils. Alpha-Ionone belongs to rose ketone, which is a natural product found in acacia oil, sweet-scented osmanthus extract and other flower essential oils.

Alpha-Ionone is mainly used to prepare longan, raspberry, blackberry, cherry, citrus and other flavors.

Product Nature:

  • Density: 0.93 g/mL at 25 °C(lit.)
  • Boiling point: 259-263 °C(lit.)
  • Melting point: 59-61ºC
  • Flash point: 230 °F
  • Refractive index: n20/D 1.498(lit.)
  • Water solubility: insoluble


Product NameAlpha-Ionone
CAS No.127-41-3
Appearance Colorless to light yellow liquid
Content99% min
Shelf Life2 years
Packing1kg/bag,25kg/bag or as your requirements

Product function:

  • Alpha-Ionone (Ionone) is a terpenoid. There are three isomers according to the position of the double bond. Alpha-Ionone belongs to rose ketone and exists in a variety of flower essential oils including rose essential oil.
  • Alpha-Ionone is an important fragrance chemical used in perfumes, fragrances and flavorings.
  • Alpha-Ionone is derived from the degradation of carotenoids in biology. Carotene includes α-carotene, β-carotene, γ-carotene, lutein and β-cryptoxanthin. They all contain β-ionone structure and have the activity of vitamin A. They can be converted into retinol in animals. 
  • Carotenoids without β-ionone structure cannot be converted to retinol and have no vitamin A activity.
  • Related documents stipulate that Alpha-Ionone is a edible spice that is temporarily allowed to be used.
  • It is used to formulate fragrances for daily chemicals and soap.


  1. Curtis, T; Williams, DG (2001). Introduction to Perfumery (2nd ed.). Fort Washington, New York: Micelle Press. ISBN 9781870228244.
  2. “rs6591536”SNPedia.
  3. Wikipedia


Pre-Sales Service

* Timely reply and 24 hours online, the professional team will provide you with the most favorable prices and high-quality products.

* The sample supports testing and inspection.

* Each batch of products will be tested to ensure that its quality meets user needs.

*Packaging can also be made according to customer requirements.

*Any inquiries will be answered by our relevant personnel within 24 hours.

*We will provide you with commercial invoice, packing list, packing list, COA, health certificate and certificate of origin if you need it. If your market has other special requirements, please let us know.


After-Sales Service

*We will monitor the logistics information in real time and will share the information with you.

* You can consult us at any time if you have any questions about the product, and we will answer you in time.

*If you have any questions about the product, you can report it to us, we will deal with it in time for you, and the product can be returned.


1. ≤50kg, we recommend express delivery, usually called DDU service;

2. ≤500kg, air transportation is generally recommended, usually called FOB, CFR or CIF service;

3.>500kg, sea freight is generally recommended, usually called FOB, CFR or CIF service;

4. For high-value products, please choose air and express to ensure the safety of the products.


Do you accept sample order?

We will make samples before mass production. After the samples are approved by the department and users, we will start mass production. During the production process, we will carry out 100% inspection, and then carry out random inspection before packaging.

How to confirm whether the product quality meets our needs before placing an order?

You can consult us to get free samples of some products, you only need to pay the freight or arrange express delivery to us and get the samples. You can send us the product specifications and requirements you need, and we will manufacture products according to your requirements.

What’s your MOQ?

Our MOQ is 1kg. But usually we can also accept a smaller quantity, such as 100g, if you need it, provided that the sample fee 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.

Learn more about us

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Packaging and shipping

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