Phenolphthalein material data safety sheet. Reproduced with kind permission of the Department of Chemistry, Oxford University.
Last updated August 12, 2005
| Common synonyms |
- 2-(bis-(4-hydroxyphenyl)methyl)benzoic acid
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| Formula |
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| Properties |
- Form: Fine white to cream-coloured powder.
- Stability: Stable.
- Melting point: 260°C.
- Water solubility: negligible .
- Specific gravity: 1.29.
- Colour change range: pH 8.2 - 10.0
- Colour change: colourless to pink.
- pK at 20 C: 9.5
- Preparation: 0.05g in 100 ml 50% v/v/ ethanol-water.
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| Principal hazards |
- This chemical may cause irritation if you get it into your eyes or breathe it in.
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| Safe handling |
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| Emergency |
- Eye contact: Immediately flush the eye with plenty of water. If irritation persists call for medical help.
- Skin contact: Wash off with water.
- If swallowed: Wash out the mouth with water if the person is conscious. If a significant quantity has been swallowed, call for medical help.
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| Disposal |
- Small amounts of phenolphthalein can be flushed down a sink with a large quantity of water, unless local rules prohibit this.
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| Protective equipment |
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| Further information |
More extensive safety data
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Bio-rich-time-poor 22:30, 25 June 2011 (BST)
