Thermo Scientific Chemicals

Chlorophenol Red, pure, indicator grade

Catalog number: 190040500
50 g, Glass bottle, Each
Thermo Scientific Chemicals

Chlorophenol Red, pure, indicator grade

Catalog number: 190040500
50 g, Glass bottle, Each
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Catalog number: 190040500
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Chemical Identifiers

CAS
4430-20-0
IUPAC Name
3,3-bis(3-chloro-4-hydroxyphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
Molecular Formula
C19H12Cl2O5S
InChI Key
WWAABJGNHFGXSJ-UHFFFAOYSA-N
SMILES
OC1=CC=C(C=C1Cl)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(Cl)=C1
Appearance (Form)
Powder
UV Lambda max
572 to 576 nm (in 0.1 N NaOH)
Loss on drying
=<8 % (110°C)
Visual transition interval
from pH 4.8 (yellow) to pH 6.4 (purple)
Specific absorbance A (1%/1cm)
>=1000 (at Lambda max) On dried substance

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Indicator
RUO – Research Use Only

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