Phenolphthalein solution, 15ml

pH indicator, 1% solution. Colorless at 8.3 pH to pink at 10.0 pH. Flammable; read warning labels carefully.

Here are projects that use phenolphthalein:
Make Invisible Ink
Color-Change Chemistry.

Shipping Note: This item only ships to a street address in the 50 US states with Standard or UPS shipping options.

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PRODUCT & ACCESSIORIES
UN-PHENOLS	Phenolphthalein solution, 15ml In Stock	$5.50
		$5.50

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- Thursday, November 12, 2009
Excellent
Reviewed By: Mike
This is an excellent pH indicator. Very pleased! =)

- Monday, January 28, 2008
They loved it!
Reviewed By: Emily Goodey
I drew a smiley face on a paper towel, then let it dry. Then, when you spray it with windex (a base) it turns bright pink, suddenly and dramatically. This was part of our acids/bases lesson. The kids loved it! This is a substance that requires adult control and supervision.