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9-Fluorenone CAS 486-25-9

Molecular Formula: C13H8O

Formula Weight: 180.2

ZSpharmac: 9-Fluorenone Supplier

Product Name: 9-Fluorenone
CAS No: 486-25-9
Purity: 99%

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Basic Info

Product Name:9-Fluorenone
Other Names:9H-FLUOREN-9-ONE
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Yellow Crystalline Powder or Flakes
EINECS No.:207-630-7
Storage:Store Below +30°C.
Provide:9-Fluorenone MSDS;
9-Fluorenone COA

What is 9-Fluorenone?

9-Fluorenone (also known as 9-fluorenone or 9H-fluoren-2-one) is an organic compound with a chemical formula of C13H8O and a molecular weight of 180.17 g/mol. It belongs to the fluorenone class of compounds, which are ketones derived from fluorene, a polycyclic aromatic hydrocarbon with a fused ring structure. 9-Fluorenone appears as a yellow crystalline solid with a certain melting point (approximately 534-5°C), and is widely used as an important intermediate in organic chemistry.

9-Fluorenone Property

Melting point 80-83 °C (lit.)
Boiling point 342 °C (lit.)
density 0,9 g/cm3
vapor pressure 0.005-0.2Pa at 20-50℃
refractive index 1.6309 (estimate)
Fp 163 °C
storage temp. Store below +30°C.
solubility DMSO (Slightly), Methanol (Slightly)
form Crystalline Powder or Flakes
color Yellow
Water Solubility insoluble


9-Fluorenone Uses

Organic synthesis intermediates: 9-Fluorenone is an important intermediate for the synthesis of a variety of organic compounds, especially suitable for the preparation of dyes, medicines, pesticides, plastics and specialty chemicals. Its ketone group readily participates in a variety of chemical reactions, such as Claisen rearrangement, alkylation, acylation, reduction, condensation, etc. These reactions can generate complex fluorene derivatives for specific end applications.

Materials Science: In the field of materials science, 9-fluorenone can be used to synthesize high-performance polymers and functional materials, such as fluorenone-based polymers, fluorenyl-based resins and fluorenyl-based photoinitiators. These materials have important applications in electronic devices, optoelectronic devices, photocurable coatings and polymer materials due to their good thermal stability, optical properties and electronic properties.

Pharmaceutical field: As a raw material for drug synthesis, 9-fluorenone can be used to prepare biologically active compounds, including anticancer drugs, antibiotics and antiviral drugs. Fluorenone structural units often provide the necessary hydrophobicity, stability, and ability to interact with biological targets in drug molecules.

Dyes and pigments: 9-fluorenone is one of the basic raw materials for the preparation of fluorescent dyes and pigments. This type of dye has special spectral characteristics, such as high fluorescence efficiency and good photostability, and is widely used in fluorescent markers and optical recording materials. and security anti-counterfeiting technology.

Analytical Chemistry: In analytical chemistry, fluorenone derivatives can be used as fluorescent probes for fluorescence detection and sensing applications such as environmental monitoring, biomolecular labeling, and medical diagnosis.

Agricultural chemicals: In the field of pesticides, 9-fluorenone and its derivatives can be used as active ingredients in insecticides, herbicides or fungicides to control pests by utilizing their biological activity on specific organisms.

9-Fluorenone’s Outstanding Applications in Cosmetics

Antioxidant: 9-Fluorenone has certain antioxidant properties, which means it can help fight free radicals and reduce oxidative stress damage to skin cells. Antioxidants are important additives in cosmetic formulations that help protect the skin from aging caused by environmental factors such as UV rays and pollution.

Light stabilizers: Fluorenone compounds have good absorption properties in the ultraviolet region, which allows them to be used as light stabilizers to protect other active ingredients in cosmetics from photolysis, thereby extending the shelf life and effectiveness of the product. .

Odor modification: Although not a typical use, some aromatic compounds, including certain fluorenone derivatives, may have specific odors, which may be useful in fragrance formulations for perfumes and cosmetics. 9-Fluorenone itself has a certain odor, but in specific formulations, this property may be used to create a unique sensory experience.

As a raw material to synthesize special functional ingredients: 9-Fluorenone can be converted into cosmetic raw materials with specific functions through chemical modification, such as fluorescent markers for tracking the behavior of cosmetics on the skin, or into compounds with specific biological activities for use Improve skin health.


National Center for Biotechnology Information. PubChem Compound Summary for CID 10241, 9-Fluorenonehttps://pubchem.ncbi.nlm.nih.gov/compound/9-Fluorenone. Accessed May 15, 2024.

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.

Get 9-Fluorenone Quotation