Thymolphthalein
Based on 1 Customer Validation
Thymolphthalein is a phthalocyanine dye with electrochemical activity that can serve as an acid-base indicator, appearing colorless under acidic pH conditions and blue under alkaline pH conditions. Thymolphthalein acts as a signal molecule in co-assembled AMP/TP nanoparticles (NPs) for the visual and colorimetric detection of Escherichia coli. Thymolphthalein can form a non-conductive porous polymer coating via electropolymerization.
For research use only. We do not sell to patients.
- Purity: 99.95%
- CAS No.: 125-20-2
- Formula: C28H30O4
- Molecular Weight:430.54
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Storage:
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
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HY-B1571
Bromophenol blue
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HY-W040144
Bromocresol green
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HY-W087928
Bromocresol purple
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HY-B0324A
Crystal Violet
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HY-120601
Alizarin Red S sodium
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HY-W110798
Bromophenol blue indicator (3.0-4.6)
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HY-D0219
Thymol blue
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HY-DY2001
Crystal Violet (solution)
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HY-D0252
m-Cresol purple
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HY-W110927
Alizarin Red S Indicator (4.3-6.3), IND
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HY-D0211
Phenolphthalein
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HY-W110794
Crystal violet, IND (0.0-2.0)
Biological Activity
Thymolphthalein (10 μM; 10 potential scans) electropolymerized under optimized conditions forms a porous, high-surface-area layer on MWCNTs/GCE that enhances electron transfer and generates a sensitive voltammetric response to thymol[1].
Thymolphthalein (2 mg bacitracin) co-assembles with bacitracin and BSA to form stable, membrane-binding AMP/TP NPs with a particle size of about 19-181 nm, as confirmed by TEM and FTIR analysis[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 125-20-2
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Appearance Solid
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Molecular Weight 430.54
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Formula C28H30O4
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Color White to off-white
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SMILES
O=C1OC(C2=CC(C(C)C)=C(C=C2C)O)(C3=CC(C(C)C)=C(C=C3C)O)C4=C1C=CC=C4
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
Solvent & Solubility
DMSO : 100 mg/mL (232.27 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Purity & Documentation
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Data Sheet (281 KB)
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SDS (631 KB)
- English - EN (631 KB)
- Français - FR (631 KB)
- Deutsch - DE (631 KB)
- Norwegian - NO (631 KB)
- Español - ES (631 KB)
- Swedish - SV (631 KB)
- Italian - IT (631 KB)
- Korean - KR (631 KB)
- Portuguese - PT (631 KB)
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Handling Instructions (2659 KB)
References
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 2.3227 mL | 11.6133 mL | 23.2266 mL | 58.0666 mL |
| 5 mM | 0.4645 mL | 2.3227 mL | 4.6453 mL | 11.6133 mL | |
| 10 mM | 0.2323 mL | 1.1613 mL | 2.3227 mL | 5.8067 mL | |
| 15 mM | 0.1548 mL | 0.7742 mL | 1.5484 mL | 3.8711 mL | |
| 20 mM | 0.1161 mL | 0.5807 mL | 1.1613 mL | 2.9033 mL | |
| 25 mM | 0.0929 mL | 0.4645 mL | 0.9291 mL | 2.3227 mL | |
| 30 mM | 0.0774 mL | 0.3871 mL | 0.7742 mL | 1.9356 mL | |
| 40 mM | 0.0581 mL | 0.2903 mL | 0.5807 mL | 1.4517 mL | |
| 50 mM | 0.0465 mL | 0.2323 mL | 0.4645 mL | 1.1613 mL | |
| 60 mM | 0.0387 mL | 0.1936 mL | 0.3871 mL | 0.9678 mL | |
| 80 mM | 0.0290 mL | 0.1452 mL | 0.2903 mL | 0.7258 mL | |
| 100 mM | 0.0232 mL | 0.1161 mL | 0.2323 mL | 0.5807 mL |
Thymolphthalein Related Classifications
HY-D0265 Related Classifications
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