(Phenolsulfonphthalein) Formula: C<sub>19</sub>H<sub>14</sub>O<sub>5</sub>S   Formula Weight: 354.38   CAS #: 143-74-8 A standard indicator for preparing buffers, pH range 6.4-8.2.
(Phenolsulfonphthalein) Formula: C<sub>19</sub>H<sub>14</sub>O<sub>5</sub>S   Formula Weight: 354.38   CAS #: 143-74-8 A standard indicator for preparing buffers, pH range 6.4-8.2.
Made from food grade resin, the high-density Polyethylene closure with tag holes includes an o-ring for added security. The spigot with gasket is leakproof and screws directly into a welded wall insert.
Made from food grade resin, the high-density Polyethylene closure with tag holes includes an o-ring for added security. The spigot with gasket is leakproof and screws directly into a welded wall insert.