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Thymol Blue (sodium)

Thymol Blue sodium is an acid-base indicator used to indicate changes in pH. Thymol Blue sodium fades from red to yellow at pH 1.2 to 2.8 and from yellow to blue at pH 8.0 to 9.6. Quantitative detection is achieved through the absorption peak shift (435 nm/596 nm) of the UV-visible spectrum. Thymol blue sodium can be fixed in a silica gel matrix through sol-gel technology to form a solid-state sensor for in-situ pH measurement in the marine environment and acid-base monitoring in the biomedical field[1][2].

Product Specifications

CAS Number

[62625-21-2]

UNSPSC

12171500

Hazard Statement

H315, H319, H335

Target

Fluorescent Dye

Type

Dye Reagents

Related Pathways

Others

Field of Research

Others

Assay Protocol

https://www.medchemexpress.com/thymol-blue-sodium.html

Solubility

DMSO : 6.72 mg/mL (ultrasonic; adjust pH to 4 with 1 M HCl)

Smiles

[Na].O=S1(=O)OC(C2=CC(=C(O)C=C2C)C(C)C)(C3=CC(=C(O)C=C3C)C(C)C)C=4C=CC=CC41

Molecular Formula

C27H29NaO5S

Molecular Weight

488.57

Precautions

H315, H319, H335

References & Citations

[1]Huining Zhang, et al. Spectrophotometric pH measurements of surface seawater at in-situ conditions: absorbance and protonation behavior of thymol blue. Marine Chemistry, Volume 52, Issue 1,1996, Pages 17-25.|[2]2. Farid R. Zaggout, et al., Behavior of thymol blue analytical pH-indicator entrapped into sol–gel matrix, Materials Letters, Volume 60, Issues 29–30, 2006, Pages 3463-3467, ISSN 0167-577X.

Shipping Conditions

Room Temperature

Storage Conditions

RT, sealed storage, away from moisture and light

Scientific Category

Dye Reagents

Clinical Information

No Development Reported

Available Sizes

Curated Selection

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