P4633
Phenol Red
pH indicator
Synonym(s):
Phenolsulfonphthalein
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About This Item
Empirical Formula (Hill Notation):
C19H14O5S
CAS Number:
Molecular Weight:
354.38
EC Number:
205-609-7
UNSPSC Code:
12171500
MDL number:
Beilstein/REAXYS Number:
326470
technique(s)
titration: suitable
visual transition interval
6.8-8.2, yellow to red
SMILES string
Oc1ccc(cc1)C2(OS(=O)(=O)c3ccccc23)c4ccc(O)cc4
InChI
1S/C19H14O5S/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19/h1-12,20-21H
InChI key
BELBBZDIHDAJOR-UHFFFAOYSA-N
Application
Suitable for use as a pH indicator.
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