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


  • CAS:


  • Synonym:



Product Name: 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
Other Name: Bis(2-hydroxy-4-methoxyphenyl)methanone
CAS No: 131-54-4
MF: C15H14O5
MW: 274.26900
Density: 1.291g/cm3
Boiling point: 439.3ºC at 760mmHg
Melting point: 133-136 °C(lit.)
Flash point: 164.4ºC
Refractive index: 1.605
UN Number: Not dangerous goods.
UN Proper Shipping Name: Not dangerous goods.
Transport hazard class: Not dangerous goods.
Packing group: Not dangerous goods.
Appearance: Light yellow crystalline powder
Assay: ≥99%
Loss on drying: ≤0.50%
Transmittance: 300-400nm ≤1%; 450-550nm ≥90%; 500nm ≥95%
Hazen: ≤4.0
K value(330nm): ≥49.0
This product is a water-soluble neutral broad-spectrum benzophenone ultraviolet absorber. 
It has high absorption efficiency, non-toxicity, no teratogenic side effects, good light and heat stability, etc. 
A common light stabilizer, a type of substance that can strongly and selectively absorb high-energy ultraviolet light and perform energy conversion to release or deplete energy in the form of heat or harmless low-energy radiation.
Mainly used in water-soluble chemical sunscreens, sunscreens, lotions.
It can improve the durability of dyed textile color, prevent the yellowing of wool textiles, prevent the discoloration of synthetic fiber fabrics, and can be used in hair products such as hair gels and mousses to prevent hair damage caused by ultraviolet radiation to whiten.
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.

Professional project management talents, perfect project management system; customized production tailored to help customers reduce capital and time costs.Our company can complete the pilot test and enlargement production of various types of reactions.Our  manufacturing range includes products for diverse industrial applications, and features a range of alkylamines, pharmaceutical intermediates, flavour & fragrance and other personal care products, and other specialties.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.Provide you with the most thoughtful and comprehensive service at the best price.

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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.

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