• Chlorophenol Red (CAS 4430-20-0) - TCI C0245 - AMI Scientific
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TCI

CAS 4430-20-0

Chlorophenol Red TCI C0245

Chlorophenol Red TCI C0245

Chemical Identity

CAS No.
4430-20-0
Formula
C19H12Cl2O5S
Molecular weight
423.26 g/mol
Purity
>90.0%(HPLC)
Full identifiers (IUPAC, SMILES, InChIKey)
IUPAC
2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]phenol
SMILES
C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)Cl)C4=CC(=C(C=C4)O)Cl
InChIKey
WWAABJGNHFGXSJ-UHFFFAOYSA-N
MDL
MDL00005877
PubChem
CID 20486
Rp 584.850,00
Rp 584.850,00
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TCI C0245 Chlorophenol Red (CAS 4430-20-0) is a sulfonephthalein pH indicator that shifts from yellow to a red-purple hue as acidity decreases. It is commonly used for acid–base titrations whose endpoint falls in the mildly acidic region, as well as for tracking pH changes in microbiological culture media. Supplied as a coloured solid, it is typically dissolved to prepare dilute indicator solutions, so small packs serve many determinations. AMI Scientific offers this TCI reagent in 1 g and 5 g packs, best stored cool, dry, and protected from light.

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  • Gerold et al. (1995). Poled electro-optic photolime gel polymer doped with chlorophenol red and bromomethyl blue chromophores. Applied Physics Letters doi:10.1063/1.113107
  • Wong et al. (2017). The Use of Artificial Neural Network to Optimize The pH Response Range of Chlorophenol Red. ASEAN Journal on Science and Technology for Development doi:10.29037/ajstd.361
  • SWEETIN et al. (1996). The use of chlorophenol red for the selective determination of chlorine dioxide in drinking water. Talanta doi:10.1016/0039-9140(95)01721-6

References were compiled automatically from Crossref and every DOI was verified to exist. AMI Scientific is not affiliated with the authors or the publishers.

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