Check the listing for details. 30 ml Phenolphthalein 1% PH Indicator Dye Biodiesel Soap Making Titration Soluti. Condition: New. Listed at 3.99 USD. 30ml Phenolphthalein 1% solution. Used for biodiesel titration and soap making. Used as a ph indicator. One 30ml bottle. JL Missouri Parts has been selling on Ebay for well over a decade. We are constantly expanding the line of parts we offer. We are a small family run business. NOTICE: We ship every weekday, expect a business day before your item is shipped. Everything is shipped with Tracking. If you have a problem with your purchase please contact us and we will do our best to resolve it. I use calculated shipping, so if you are interested in multiple items I am selling add them to your cart and the shipping will be combined by Ebay’s system. International Buyers: Do to the high cost of shipping, I cannot accept returns. Please be sure you know what you are buying. Understand that I cannot control shipping after it leaves my possession, and it can take months to get to you. 1-D 10-15 11 R9-21 11