Thermo Scientific Chemicals Cresol Red, Indicator Grade, Pure

Product Code	Brand	Quantity	Packaging
10467740	Thermo Scientific Chemicals 151380050	5 g	Glass bottle
10103350	Thermo Scientific Chemicals 151380250	25 g	Glass bottle
10704294	Thermo Scientific Chemicals 151381000	100 g	Glass bottle

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

Chemical Identifiers

• CAS: 1733-12-6
• Molecular Weight (g/mol): 382.43
• InChI Key: OBRMNDMBJQTZHV-UHFFFAOYSA-N
• ChEBI: CHEBI:86218
• SMILES: CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1

• Molecular Formula: C21H18O5S
• MDL Number: MFCD00005878
• PubChem CID: 73013
• IUPAC Name: 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-methylphenol

Specifications

• Melting Point: 290.0°C
• Molecular Formula: C21H18O5S
• Beilstein: 19, 91
• Solubility Information: Solubility in water: soluble. Other solubilities: soluble in dil. acids, dil. alkalies and ethanol,, insoluble in diethyl ether, benzene
• Infrared Spectrum: Authentic
• IUPAC Name: 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-methylphenol
• PubChem CID: 73013
• Formula Weight: 382.42
• Specific Extinction: 1500 min. (572nm, in 0.01N NaOH)
• Color: Brown/Red or Green
• Chemical Name or Material: Cresol Red

• CAS: 1733-12-6
• MDL Number: MFCD00005878
• Merck Index: 15, 2568
• InChI Key: OBRMNDMBJQTZHV-UHFFFAOYSA-N
• SMILES: CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1
• Molecular Weight (g/mol): 382.43
• ChEBI: CHEBI:86218
• Grade: Pure
• Visual Transition Interval: from pH 7.0 (orange) to pH 8.8 (purple)
• Physical Form: Powder

Safety and Handling

Product Identifier

• Cresol Red

RUO – Research Use Only