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Thermo Scientific Chemicals Chlorophenol Red

Catalog No. AAB2162306
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Used to detect chlorine dioxide in drinking water. Transition Interval: From pH 4.8 (yellow) to pH 6.7 (violet). Also used in transport studies of goldfish renal tubules.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Used to detect chlorine dioxide in drinking water. Transition Interval: From pH 4.8 (yellow) to pH 6.7 (violet). Also used in transport studies of goldfish renal tubules.

Solubility
Soluble in water (30 mg/ml), ethanol (80 mg/ml), and methyl cellusolve (50 mg/ml).

Notes
Transition interval: pH 4.8 (yellow) to 6.4 (red)

Chemical Identifiers

CAS

4430-20-0

Molecular Formula

C19H12Cl2O5S

Molecular Weight (g/mol)

423.26

MDL Number

MFCD00005877

InChI Key

WWAABJGNHFGXSJ-UHFFFAOYSA-N

Synonym

chlorophenol red, chlorphenol red, chlorphenolsulfonphthalein, dichlorophenolsulfonephthalein, 3,3-bis 3-chloro-4-hydroxyphenyl-3h-benzo c 1,2 oxathiole 1,1-dioxide, chlorophenol red indicator, 3',3-dichlorophenolsulfonphthalein, phenol, 4,4'-1,1-dioxido-3h-2,1-benzoxathiol-3-ylidene bis 2-chloro, 3',3'-dichlorophenolsulfonaphthalein, 3',3-dichlorophenol-sulfonphthalein

PubChem CID

20486

IUPAC Name

2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol

SMILES

OC1=CC=C(C=C1Cl)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(Cl)=C1

Specifications

Quantity

5 g

Beilstein

354053

Solubility Information

Soluble in water (30mg/ml),ethanol (80mg/ml),and methyl cellusolve (50mg/ml).

Formula Weight

432.28

Chemical Name or Material

Chlorophenol Red

Hazard Category

H315-H319-H335

Hazard Statement

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

Precautionary Statement

P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c

EINECSNumber

224-619-2

TSCA

Yes

Recommended Storage

Ambient temperatures
SDS

RUO – Research Use Only

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