EMAIL THIS PAGE TO A FRIEND
P9750 Sigma-Aldrich

Phenolphthalein

pH indicator

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

  • CAS Number 77-09-8

  • Empirical Formula (Hill Notation) C20H14O4

  • Molecular Weight 318.32

  •  Colour Index Number 764

  •  Beilstein/REAXYS Number 284423

  •  EC Number 201-004-7

  •  MDL number MFCD00005913

  •  PubChem Substance ID 24899058

Purchase

Properties

application(s)   titration: suitable
mp   261-263 °C (lit.)
solubility   acetone: soluble
SMILES string   Oc1ccc(cc1)C2(OC(=O)c3ccccc23)c4ccc(O)cc4
InChI   1S/C20H14O4/c21-15-9-5-13(6-10-15)20(14-7-11-16(22)12-8-14)18-4-2-1-3-17(18)19(23)24-20/h1-12,21-22H
InChI key   KJFMBFZCATUALV-UHFFFAOYSA-N

Description

Other Notes

This product has been replaced by 105945-Sigma-Aldrich | Phenolphthalein ACS reagent

Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
RTECS 
SM8380000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

Please Enter a Lot Number

Certificate of Origin (COO)

Please Enter a Lot Number
Protocols & Articles

Protocols

Enzymatic Assay of ß-Glucuronidase (EC 3.2.1.31) from Helix Pomatia and Bovine Liver

This procedure applies to all b-Glucuronidase products that are derived from Helix Pomatia and Bovine Liver.
Keywords: Enzymology

Peer-Reviewed Papers
15

References

Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?