Product details
Bulk supply and Contract manufacturing of Fine Chemicals,Pharmaceutical Intermediates,APIs from kilos to tons


  • CAS:


  • Synonym:



Product Name: 2,2',4,4'-Tetrahydroxybenzophenone
Other Name: Bis(2,4-dihydroxyphenyl)methanone
CAS No: 131-55-5
MF: C13H10O5
MW: 246.21500
Density: 1.526 g/cm3
Boiling point: 531.2ºC at 760 mmHg
Melting point: 198-200 °C(lit.)
Flash point: 289.2ºC
Refractive index: 1.718
UN Number: UN3272
UN Proper Shipping Name: ESTERS, N.O.S.
Transport hazard class: 3
Packing group: III
Appearance: Light yellow green crystalline powder
Assay: ≥99%
Loss on drying: ≤0.50%
Heavy metal: ≤5ppm
Hazen: ≤3.0
Turbidity: ≤12 NTU
Widely used in polyester, paints and cosmetics, etc. 
In recent years, the application on fabrics has been paid more and more attention by the textile industry.
FDA approved Class I sunscreen.
Package: 25kg/drum, can also be designed according to customer requirements.
Storage: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

Our company has a complete production service chain of grams-kg-ton.The company's products have been exported to Europe, America, Southeast Asia, the Middle East, South America and other places, and established a long-term cooperative relationship with customers.Our team is proficient in new route design and route optimization. With the skillful skills to solve problems and the high success rate of the project, we have the ability to provide our customers with the following high quality chemical custom synthesis services.We use our research in assisting customers to solve their most challenging problems and unique opportunities.Dozens of reaction types such as chiral synthesis and resolution, oxidation, reduction, condensation, nitrosation, bromination.

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Laboratory in Ningbo
Our company's R&D company, Ningbo Gino Chemical Co., Ltd. was established in December 2011. we have several fume hoods and kilogram laboratory, and have purchased 20L, 50L reactors and as a preliminary pilot manufacturing of the products. At the same time, We mobilized external resources to establish a pilot facility in Henan Zhumadian and Anhui Anqing, and cooperating with Shandong Zibo and Jiangsu Changzhou factories as a large production facility for our products.

Factory in Shanxi Province
At the end of 2017, We invested workshop in Xinjiang County Longzhou Chemical Co., Ltd., Xinjiang County Coal Mine Park, Yuncheng, Shanxi. The first phase of the reactors were 30* 2000L~5000L, The contract output value is 50 million annually, factory has passed the audit from public listed company domestic and abroad.

Factory in Shandong Province
The production base of liquid rectification chemical products located in Liaocheng, Shandong Province is the main outsourcing production base of our company. The products are sold to leading enterprises and listed companies in the carcass industry for many years. The production, quality and service are stable, delivery is timely, and some individual products are covering 90% of the market.

Factory in Henan Province
In year 2020, We invested workshop in Henan province, the workshop consists of 50*2000L~5000L reactors, The types of reactions that can be manufacturer there are: bromination, cyanidation, and conventional reactions.

Disclaimer: Certain products are for research use only. Not for diagnostic or therapeutic use. Not for human use. INNOPHARMCHEM does not sell to individuals. INNOPHARMCHEM does not warrant that the use or sale of the products delivered under will not infringe the claims of any China or other patents covering the product itself or the use thereof in combination with other products or the operation of any process.