Hotsale 4,4'-Bis(diethylamino)benzophenone90-93-7 CAS NO.90-93-7

company introduction:

shanghai upbio tech co.,ltd is a comprehensive manufacturer and an international distribution of chemicals throughout the world. specialized in apis, chemical intermediates, herbal extract and pharmaceutical raw materials.

appearance: light yellow powder

purity (gc): ≥99%

melting point: 93-95 ° c (degrees celsius)

moisture: ≤0.5%

insoluble in methanol: ≤0.01%

absorption wavelength / nm: 248nm, 374nm (in methanol solution)

sample: we provide free sample.

factory picture:

delivery:

3days by ems,fedex,dhl.

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