Tween is a type of nonionic surfactant, which is a hydrophilic emulsifier. As a emulsifier, it is full of diverse fatty acid, due to the HLB value is
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Synonyms:phenylbenzene appearance: white or light yellow crystal content:99.5%min melting point: 68.0-71.0 DC burn remains:0.1%max Biphenyl is
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