2,2',4,4'-Tetrahydroxybenzophenone CAS:131-55-5-custom synthesis contract manufacturing
2,2',4,4'-Tetrahydroxybenzophenone CAS:131-55-5
Structural Formula 2,2',4,4'-Tetrahydroxybenzophenone CAS:131-55-5
Product Name 2,2,4,4-Tetrahydroxybenzophenone
Synonym Bis(2,4-dihydroxyphenyl)methanone;Bis(2,4-dihydroxyphenyl)methanone;2,2,4,4-Tetrahydroxybenzophenone;Bis(2,4-dihydroxyphenyl)methanone
CAS No. 131-55-5
Molecular Weight See details
Specifications Upon request
Packing Sea or Airworthy packing
Material Safety Data Sheet Upon request
Availability Please visit www.nbinno.com for our official company website or sending email to info@nbinno.com for more information.

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.

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Our company is engaged in the production and custom synthesis of intermediates such as APIs and special chemicals. Relying on our own strong R&D capabilities, we accept custom synthesis of advanced pharmaceutical intermediates, as well as custom synthesis of other types of advanced chemicals, with mature R&D systems and production capacities from gram to tonnage.We offer a wide range of custom synthesis and production services for pharmaceutical intermediates, reference compounds and new reagents for pharmaceutical companies, pharmaceutical biotech companies, universities and research institutions.In addition to our core competence in the standard unit operations of organic chemical synthesis, we offer specialised reaction technology, including innovative organometallic synthesis, catalytic transfer hydrogenation and the various operations required for synthesis of chiral compounds.The target product of synthetic weights ranging from milligrams to kilograms. We have successfully completed a large number of orders for chemical custom synthesis on timeWith strong technical accumulation and innovative research and development capabilities, he is good at various types of chemical reactions such as hydrogenation, nitration, Suzuki coupling, cyanation, diazotization, bromination, wittig reaction, Grignard reaction, redox reaction and ultra-low temperature reaction.

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