Thermo Scientific Chemicals Chlorophenol Red sodium salt

Catalog No.	Quantity
AAL1036406	5 g

Catalog No. AAL1036406 Supplier Thermo Scientific Chemicals Supplier No. L1036406

Description

CAS: 123333-64-2 | C19H11Cl2O5S | 422.25 g/mol

Chlorophenol Red sodium salt is used in the standard samples to indicate pH. A stain used to detect chlorine dioxide in drinking water.

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
Chlorophenol Red sodium salt is used in the standard samples to indicate pH. A stain used to detect chlorine dioxide in drinking water.

Solubility
Soluble in water.

Notes
Transition interval: pH 4.8

Specifications

Chemical Identifiers

• CAS: 123333-64-2
• Molecular Formula: C19H11Cl2O5S
• Molecular Weight (g/mol): 422.25
• MDL Number: MFCD00151199
• InChI Key: QXTPRQZMDKBTAI-UNOMPAQXSA-M
• Synonym: chlorphenol red sodium salt
• PubChem CID: 131846007
• IUPAC Name: 2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol;sodium
• SMILES: OC1=CC=C(C=C1Cl)C(=C1/C=CC(=O)C(Cl)=C1)\C1=CC=CC=C1S([O-])(=O)=O

• Melting Point: ∽267°C (decomposition)
• Quantity: 5 g
• Solubility Information: Soluble in water.
• Formula Weight: 445.26
• Chemical Name or Material: Chlorophenol Red sodium salt

Safety and Handling

Hazard Category	H315-H319-H335
Precautionary Statement	P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
EINECSNumber	224-619-2
TSCA	No
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only