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I've read that 2-phenylphenol is a carcinogen but this study seems strange as way less rats got cancer at the highest dose, compared to a lower dose. Icek 13:22, 13 October 2007 (UTC)[reply]
Let's have some follow-up on this. Badagnani (talk) 19:38, 16 December 2009 (UTC)[reply]
In the article the statement "It is a fungicide used for waxing citrus fruits." is erroneous or misleading. While it is true that at one time the Sodium salt of 2-phenylphenol (referred to as SOPP in the trade) was a component of some citrus waxes used in the US, the only significantly sucessful formulation (Britex 561F, EPA reg No. 5202-1) was voluntary deleted by the manufacturer in 1989. Even then it contained less than 1.5% SOPP. At no time was it used as a citrus wax.
The reason for the deletion was apparently economic in that the annual registration fees were becoming very high and other more effective fungicides were becoming available. Annother product manufactured by a much larger company remained on the books until 2003 due to the fact that companies with large numbers of products mearly paid a maxmum fee to the EPA and there was no additional charge for excess registrations. When the registration was transferred to a smaller company, they subsequently canceled it. (Some additional information may be found in Twentieth Century Developments in Hall, David J. 2003. Handling Florida's Fresh Citrus - An Overview. Proc. Fla. State Hort. Soc. 116:369-374.
An excellent reference on this, and related subjects, is the book Fresh Citrus Fruits, Second edition. (Eds Wardowski, Miller, Hall and Grierson). Chapters 13, 15 and 18 in particular.
As to non-US uses of 2-phenylphenol in citrus wax, I was not able to find any significant commercial products in the major citrus growing areas of the world. Of course, not finding something does not mean it does not exist. I would welcome any information on this.--Fruitwax (talk) 16:56, 3 January 2008 (UTC)[reply]
