Thermo Scientific Chemicals Chlorophenol Red

Description

CAS: 4430-20-0 | C19H12Cl2O5S | 423.26 g/mol

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)

Specifications

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

• 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

Safety and Handling

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