Thermo Scientific Chemicals Thymol Blue

Description

CAS: 76-61-9 | C27H30O5S | 466.592 g/mol

A sulfonphthalein dye used as a pH indicator.

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
A sulfonphthalein dye used as a pH indicator.

Solubility
Solubility in 0.1 N sodium hydroxide solution, almost transparent. Soluble in alcohol, dilute alkali, 0.1% ethanol. Insoluble in water.

Notes
Store away from oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.

Specifications

Chemical Identifiers

• CAS: 76-61-9
• Molecular Formula: C27H30O5S
• Molecular Weight (g/mol): 466.592
• MDL Number: MFCD00005869
• InChI Key: PRZSXZWFJHEZBJ-UHFFFAOYSA-N
• PubChem CID: 65565
• IUPAC Name: 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol
• SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O

• Melting Point: 223°C (decomposition)
• Merck Index: 14,9400
• Formula Weight: 466.6
• Quantity: 50 g
• Chemical Name or Material: Thymol Blue

Safety and Handling

EINECSNumber	200-973-3
RTECSNumber	XP2575000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only