We are procuring Commercial m-cresol and getting high p-cresol impurity. I need a suitable guideline, through which I can reduce p-cresol impurity upto 0.3%.
See link to Purification of Laboratory Chemicals By W. L. F. Armarego, Christina Li Lin Chai
Also see patent in 2nd link
https://books.google.com/books?id=XWYqh1an5sQC&pg=PA304&lpg=PA304&dq=purification+of+M-cresol&source=bl&ots=ZXVcGrIJHq&sig=bCcz0BbjJ8F3nSThE-OXOa6uLrA&hl=en&sa=X&ved=0ahUKEwixkp-9gpXRAhWr3YMKHTNsAEIQ6AEISjAH#v=onepage&q=purification%20of%20M-cresol&f=false
http://www.google.co.in/patents/US2382142?hl=en&output=html_text
Thank you Sir for your both the links. Let our R&D people try and will share the feedback with you. Thanks again Sir.
There is a US patent on this; Method for separation of m- or p-cresol
US 4032581 A. Look it up.
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