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105945 Sigma-Aldrich

Phenolphthalein

ACS reagent

Synonym: 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Cell Biology, Core Bioreagents, Hematology and Histology,
grade   ACS reagent
InChI Key   KJFMBFZCATUALV-UHFFFAOYSA-N
form   powder
visual transition interval   8.0 - 10, colorless to red
mp   261-263 °C(lit.)
solubility   acetone: soluble
absorption   λmax 374 nm (2nd)
  λmax 552 nm

Description

Packaging

100, 500 g in poly bottle

2.5 kg in poly drum

Application

Phenolphthalein is used as a general pH indicator. It is colorless in acidic solutions and turns pink in basic solutions. Phenolphthalein is also used as a model organic compound in the evaluation of the capture efficiency of various cyclodextrin constructs such as nanofiber-CD.

Price and Availability


All labs need water

Biomedical Applications
Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
SM8380000

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles

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Peer-Reviewed Papers
15

References

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