α-Naphtholbenzein
Based on 1 Customer Validation
α-Naphtholbenzein (p-Naphtolbenzein) is a dye. α-Naphtholbenzein can be used as a pH indicator. α-Naphtholbenzein is commonly used in experiments such as acid-base neutralization reactions, titration, and pH measurement.
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- Pureté: 87.20%
- CAS No.: 145-50-6
- Formule: C27H18O2
- Masse moléculaire:374.44
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Stockage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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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Activité biologique
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Chemical Information
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Solvant et solubilité
- Pureté et documentation
- Références
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Help & FAQs
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Bromocresol green
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HY-D0169A
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HY-W110791
Sodium diphenylamine-4-sulfonate
Activité biologique
α-Naphtholbenzein has a visual transition from yellow (pH0-8.2) to turquoise (pH10)[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 145-50-6
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Appearance Solid
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Masse moléculaire 374.44
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Formule C27H18O2
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Color Brown to reddish brown
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SMILES
O=C1C=C/C(C2=C1C=CC=C2)=C(C3=C4C=CC=CC4=C(O)C=C3)/C5=CC=CC=C5
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Synonyms
p-Naphtolbenzein
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Solvant et solubilité
DMSO : 50 mg/mL (133.53 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. 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. 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)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (6.68 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Pureté et documentation
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Fiche technique (277 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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Instruction de manipulation (2659 KB)
Références
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. 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 | 2.6707 mL | 13.3533 mL | 26.7065 mL | 66.7664 mL |
| 5 mM | 0.5341 mL | 2.6707 mL | 5.3413 mL | 13.3533 mL | |
| 10 mM | 0.2671 mL | 1.3353 mL | 2.6707 mL | 6.6766 mL | |
| 15 mM | 0.1780 mL | 0.8902 mL | 1.7804 mL | 4.4511 mL | |
| 20 mM | 0.1335 mL | 0.6677 mL | 1.3353 mL | 3.3383 mL | |
| 25 mM | 0.1068 mL | 0.5341 mL | 1.0683 mL | 2.6707 mL | |
| 30 mM | 0.0890 mL | 0.4451 mL | 0.8902 mL | 2.2255 mL | |
| 40 mM | 0.0668 mL | 0.3338 mL | 0.6677 mL | 1.6692 mL | |
| 50 mM | 0.0534 mL | 0.2671 mL | 0.5341 mL | 1.3353 mL | |
| 60 mM | 0.0445 mL | 0.2226 mL | 0.4451 mL | 1.1128 mL | |
| 80 mM | 0.0334 mL | 0.1669 mL | 0.3338 mL | 0.8346 mL | |
| 100 mM | 0.0267 mL | 0.1335 mL | 0.2671 mL | 0.6677 mL |
α-Naphtholbenzein Related Classifications
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