2,2',4,4'-小9体育直播下载安装苹果

intermediate

2,2',4,4'-tetrehydroxybenzophenone

c.a.s no:131-55-5

chemical structural formula:c13h10o5

molecular weight:246.22

purpose:take place of uvinul d-50 from basf

appearance: light yellow powder

gardener chroma ≤ 2

solubility: qualified transparent

water content:≤0.5%

packing:25kg cardboard drum



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