Thymol blue

CAT: 0804-HY-D0219-01Size: 500 mgDry Ice: NoHazardous: No
CAT#:0804-HY-D0219-01Size:500 mg
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Description
Thymol blue is a reversible pH indicator that responds to the pH of the solution through structural changes of protonation and deprotonation. Thymol blue is red (HI- form) under acidic conditions and blue (I2- form) under alkaline conditions. Quantitative detection is achieved through the absorption peak shift (435 nm/596 nm) of the UV-visible spectrum. Thymol blue selectively responds to pH changes, changing from red to yellow at pH 1.2-2.8 and from yellow to blue at pH 8.0-9.6. Thymol blue 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].
CAS Number
[76-61-9]
Product Name Alternative
Thymolsulphonephthalein
UNSPSC
12171500
Hazard Statement
H302, H315, H319, H335
Target
Fluorescent Dye
Type
Dye Reagents
Related Pathways
Others
Field of Research
Others
Assay Protocol
https://www.medchemexpress.com/thymol-blue.html
Solubility
10 mM in DMSO
Smiles
O=S1(OC(C2=C(C)C=C(O)C(C(C)C)=C2)(C3=C(C)C=C(O)C(C(C)C)=C3)C4=CC=CC=C41)=O
Molecular Formula
C27H30O5S
Molecular Weight
466.59
Precautions
H302, 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]Zaggout F R, et al. Behavior of thymol blue analytical pH-indicator entrapped into sol-gel matrix[J]. Materials Letters, 2006, 60 (29-30) : 3463-3467.
Shipping Conditions
Room Temperature
Storage Conditions
4°C (Powder, protect from light)
Scientific Category
Dye Reagents
Clinical Information
No Development Reported

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