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2,4-Dihydroxybenzophenone CAS 131-56-6

Molecular Formula: C13H10O3

Formula Weight: 214.22

ZSpharmac: 2,4-Dihydroxybenzophenone Supplier

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Product Name: 2,4-Dihydroxybenzophenone
CAS No: 131-56-6
Purity: 99%

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Basic Info

Product Name:2,4-Dihydroxybenzophenone
Other Names:UV ABSORBER TRUELICHT BP-1
CAS:131-56-6
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Yellow Crystalline Powder
EINECS No.:205-029-4
Storage:Store Below +30°C.
Provide:2,4-Dihydroxybenzophenone MSDS;
2,4-Dihydroxybenzophenone COA

What is 2,4-Dihydroxybenzophenone?

2,4-Dihydroxybenzophenone is an organic compound with the chemical formula C13H10O3. It belongs to the benzophenone compound and contains two hydroxyl (-OH) substituents in the molecule, located at the 2nd and 4th positions of the benzene ring.

2,4-Dihydroxybenzophenone Property

Melting point 144.5-147 °C(lit.)
Boiling point 194 °C (1 mmHg)
density 1,32 g/cm3
vapor pressure 0Pa at 25℃
refractive index 1.5090 (estimate)
Fp 125 °C
storage temp. Store below +30°C.
solubility Chloroform (Slightly, Heated), Ethanol (Slightly, Heated)
pka7.72±0.35(Predicted)
form Crystalline Powder
color Yellow
PH5 (10g/l, H2O, 20℃)(slurry)
Water Solubility insoluble

 

2,4-Dihydroxybenzophenone Uses

UV absorber (UV stabilizer):
2,4-Dihydroxybenzophenone is used as an efficient UV absorber in the plastics, coatings, adhesives, rubber and cosmetics industries. It can effectively absorb ultraviolet rays in the wavelength range of 280-340nm, thereby protecting materials from photoaging, extending service life and maintaining color stability. In plastic products, such as polycarbonate, polyethylene, polypropylene, etc., the usual addition amount is 0.1%-0.5%.

Light stabilizer:
In polymer materials science, 2,4-dihydroxybenzophenone can inhibit free radical chain reactions caused by ultraviolet rays and reduce the yellowing and mechanical property degradation of materials, so it is used as a light-stabilizing additive, especially outdoors. Used in polymer products such as building materials, auto parts, agricultural films, etc.

Cosmetic raw materials:
In the field of personal care products, such as sunscreen and skin care products, it is used as one of the active ingredients to prevent direct damage to the skin from ultraviolet rays and reduce the risk of sun spots, skin cancer and photoaging. Its principle of action is to absorb ultraviolet rays and convert them into harmless energy for release, rather than allowing ultraviolet rays to penetrate the skin and cause damage.

Pharmaceutical intermediates:
In the pharmaceutical industry, 2,4-dihydroxybenzophenone can be used as a starting material or intermediate for the synthesis of certain drugs, participating in complex organic synthesis pathways, and helping to construct specific functional groups in target molecules.

Organic Synthesis:
As a multifunctional chemical building block, 2,4-dihydroxybenzophenone has important value in organic synthesis and can participate in a variety of chemical reactions, such as aldol condensation, esterification, halogenation reaction, etc., and is used to synthesize High-performance chemicals such as dyes, fluorescent materials, and optoelectronic materials.

Analytical chemistry:
As a standard material or auxiliary reagent, 2,4-dihydroxybenzophenone is used as a reference standard or adsorbent in spectroscopy and chromatographic analysis to help calibrate instruments or study the spectral characteristics of compounds.

Outstanding Applications of 2,4-Dihydroxybenzophenone in Cosmetics

Efficient UV absorption: 2,4-Dihydroxybenzophenone is a UV absorber that can effectively absorb UVA (Ultraviolet A band, wavelength is about 320-400 nanometers) and part of UVB (Ultraviolet B band, wavelength is about 280 nanometers) -320 nm) radiation. The two hydroxyl groups contained in its molecular structure enhance its ability to absorb light, making it a key ingredient in sunscreen products to prevent skin sunburn and photoaging.

Photostability: Compared to other UV absorbers, 2,4-dihydroxybenzophenone is more photostable, meaning it breaks down more slowly in sunlight and provides protection longer effect. This is essential to extend the effective protection time of sunscreen products.

Formula compatibility: It has good compatibility with other ingredients in cosmetic formulas and can be easily integrated into various types of sunscreen products such as lotions, gels, and sprays without affecting the texture of the product or causing skin discomfort.

Auxiliary antioxidant effect: The hydroxyl group also gives the compound certain antioxidant properties, which can help resist free radical damage caused by ultraviolet rays, protect skin cells from oxidative stress, thereby reducing the formation of wrinkles and spots.

2,4-Dihydroxybenzophenone Advantages and Features

Ultraviolet absorption properties: One of the most significant characteristics of 2,4-dihydroxybenzophenone is its excellent ultraviolet absorption ability, especially its strong absorption of ultraviolet rays in the UV-B band (290-320 nanometers) . This characteristic makes it a key ingredient in sunscreen products, which can effectively prevent UV damage to the skin and reduce sunburn and photoaging.

Stability: Compared with some other UV absorbers, 2,4-dihydroxybenzophenone has better chemical stability and photostability. This means that it does not break down easily under light and certain environmental conditions, thus maintaining its sun protection effectiveness for a longer period of time.

Reactivity and multifunctionality: This compound contains two active hydroxyl (-OH) functional groups, which makes it a good intermediate and can be used to prepare a variety of derivatives in organic synthesis, such as pharmaceutical intermediates, dyes, Fluorescent whitening agents and other functional polymer materials. Its reactive properties promote its application expansion in many fields.

Solubility and handling: 2,4-dihydroxybenzophenone is insoluble in water, but soluble in most organic solvents, which facilitates operation and handling during formulation design and chemical reactions. Its specific physical properties allow it to be easily integrated into various cosmetic formulations, coatings or plastics.

References

Rose, M.L.L., Suthan, T., Goma, S. et al. Growth and characterization of organic 2,4-dihydroxybenzophenone single crystals for nonlinear optical applications. J Mater Sci: Mater Electron 34, 1604 (2023). https://doi.org/10.1007/s10854-023-10933-6

As a company specializing in the production and supply of 2,4-Dihydroxybenzophenone 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 2,4-Dihydroxybenzophenone 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:

OUR MISSION
Help China Chemicals to benefit the happiness of human life
OUR VISSION
Become the most trusted chemical supplier in the world
OUR BUSINESS PHILOSOPHY
Striver – oriented, enrich employees, customer first, deep service, seek development
OUR VALUES
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.

Service

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.

FAQ

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.

 

HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?

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.

Shipping

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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