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Fluorene CAS 86-73-7

Molecular Formula: C13H10

Formula Weight: 166.22

ZSpharmac: Fluorene Cosmetic Raw Material Suppliers

Product Name: Fluorene
CAS No: 86-73-7
Purity: 99%

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Basic Info

Product Name:Fluorene
Other Names:Industrial Fluorene
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Almost White to Light Brown Crystalline Powder
EINECS No.:201-695-5
Storage:Room Temp
Provide:Fluorene MSDS;
Fluorene COA

What is Fluorene?

Fluorene is an organic compound with the chemical formula C13H10 and belongs to the polycyclic aromatic hydrocarbons (PAHs) family. It is a compound formed by two benzene rings connected by sharing two adjacent carbon atoms, so it is also called dibenzo[a]pentene. Fluorene molecules have a planar structure and good fluorescence properties. They are colorless crystals at room temperature and are soluble in a variety of organic solvents.

Fluorene Property

Melting point 111-114 °C (lit.)
Boiling point 298 °C (lit.)
density 1.2
vapor pressure 13 hPa (146 °C)
refractive index 1.6470
Fp 151 °C
storage temp. room temp
solubility 0.002g/l insoluble
pka>15 (Christensen et al., 1975)
form Crystalline Powder
color Almost white to light brown
Water Solubility insoluble


Fluorene Uses

Optoelectronic materials:
Organic light-emitting diodes (OLEDs): Due to its good photoelectric properties and stable chemical structure, fluorene and its derivatives are often used as the emitting layer or electron transport layer material of OLEDs to improve the luminous efficiency and stability of the device.
Photovoltaic materials: Fluorenyl molecules serve as electron donors or acceptors in solar cells, helping to improve energy conversion efficiency and light absorption range.

Photoconductive materials:
In photoconductors and photoelectric sensors, fluorene derivatives are used as sensitive layer materials due to their good photoelectric properties, which can effectively convert optical signals into electrical signals.

Polymer Science and Engineering:
High-performance polymers: Fluorene units can be used as building blocks to prepare polymer materials with excellent thermal stability and mechanical properties through polymerization reactions, which can be used in aerospace, microelectronics packaging and other fields.
Liquid crystal materials: Fluorene-based liquid crystal monomers have special photoelectric properties and are used to prepare liquid crystal display materials with high contrast and response speed.

Drug synthesis and biomedical applications:
As a parent, the fluorene structure can be chemically modified to synthesize biologically active compounds, such as anticancer drugs, antibacterial agents, etc.
In the design of fluorescent probes, fluorene groups are often used as labeling molecules for cell imaging, biomolecule tracking and other studies.

Catalysis and Sensing Applications:
Fluorene derivatives can be used as the basic structure of fluorescent sensors to detect heavy metal ions, oxygen, pH, etc., because the fluorescence properties of fluorene are easily affected by changes in the surrounding environment.

Energy storage:
In the field of lithium-ion batteries, fluorene derivatives such as bisphenolfluorene (BPF) can be used to synthesize new electrolyte materials or as modified additives for battery components to improve the energy density and cycle stability of the battery.

Prominent Applications of Fluorene in Cosmetics

Optical effects: Derivatives of Fluorene, such as fluorescein or optical brighteners, can be used to enhance the visual effects of cosmetics. They absorb UV rays and emit blue or white light, thereby improving the visual brightness and uniformity of the skin, making it look brighter and shiny. This property makes them often added to BB cream, CC cream, liquid foundation or some whitening products.

Sunscreen: Although it is uncommon for Fluorene to be used directly as a sunscreen, some of its functionalized derivatives may have the ability to absorb specific bands of ultraviolet rays, thus playing a role in sunscreen products to help protect the skin from ultraviolet damage. .

Film-forming agents and stabilizers: In nail polish and other products that require a smooth surface, Fluorene’s polymer derivatives can be used as film-forming agents to provide durable and glossy coatings. In addition, due to their chemical stability, these derivatives may also serve as stabilizers in formulations, helping to extend product life.

Innovative technology applications: With the development of nanotechnology and material science, Fluorene-related nanomaterials may be explored for use in smart cosmetics, such as regulating the release of active ingredients in response to external stimuli (such as pH changes, temperature, etc.), or as Carriers enhance the transdermal absorption efficiency of active substances.

Advantages of Fluorene

Good optoelectronic properties: Fluorene molecules have a highly conjugated π electron system, which makes its derivatives have broad application potential in the field of optoelectronic materials. They can be used as basic units of luminescent materials, photoelectric conversion materials or organic semiconductor materials for use in LEDs, solar cells and various display technologies.

Structural diversity: The core structure of Fluorene is easy to functionalize. By introducing different substituents on its ring, a variety of derivatives with different structures and properties can be synthesized. This structural diversity provides broad scope for designing high-performance materials with specific functions, such as improving color purity, increasing stability, or optimizing energy level matching.

Thermal and chemical stability: Compared with many other organic compounds, Fluorene and its derivatives generally exhibit higher thermal and chemical stability, which is particularly important for materials that require high-temperature processing or long-term use, such as in in electronic devices and high temperature resistant polymers.

Solution processability: Fluorene derivatives often have good solubility and can be processed into films or solutions in a variety of organic solvents, which facilitates large-area preparation using solution processing technology (such as spin coating, printing technology), which is suitable for low-cost, Large area manufacturing of electronic equipment is very advantageous.

Designable fluorescence and phosphorescence properties: By performing appropriate chemical modifications on Fluorene molecules, their fluorescence and phosphorescence properties can be controlled, which is very important for the development of efficient luminescent materials and sensors.

Biocompatibility: Certain Fluorene derivatives can be designed with biocompatibility in mind, making them suitable for use in biomedical fields, such as as fluorescent markers or drug delivery vehicles.


National Center for Biotechnology Information. PubChem Compound Summary for CID 6853, Fluorene. https://pubchem.ncbi.nlm.nih.gov/compound/Fluorene. Accessed May 9, 2024.

As a company specializing in the production and supply of Fluorene raw materials, we are committed to providing customers with high-quality products and preferential prices. We have rich experience and technology to ensure product quality and stable supply. No matter where you are, we can provide you with the Fluorene raw materials you need to support your production and research and development.

We always adhere to the principle of honest operation, strictly control product quality, and serve every customer with a customer-first attitude. Over the years, we have established good cooperative relationships with customers at home and abroad and won their trust and praise.

If you have needs or are interested in our products, please contact our service staff directly, we will wholeheartedly provide you with the best quality services and products. Looking forward to cooperating with you and developing together!

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 Fluorene Quotation