• Type:Carbon black
• Purity:99.5%
• Grade:Industrial grade
• Color:Transparency liquid,no suspended
• Storage:Store at dry, cool place
• Transport:By air or sea
• Sample:Free
• Certification:REACH
• Features:High quality
• Production Capacity:5000ton/per month
• Package:180kg/drum
• Usage:Paper chemicals, plastic auxiliary agents

esterification: in the next step, phthalic anhydride is esterified with 2-ethylhexanol (2-eh) to produce dioctyl phthalate. this reaction is catalyzed by an acid catalyst, typically sulfuric acid. purification: the resulting mixture of DOP and unreacted 2-eh is then purified by fractional distillation to separate the DOP from the 2-eh.

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