Methyl red hydrochloride
Methyl red hydrochloride is a pH-sensitive acid-base indicator and colorimetric reagent with a pKa of 5.1. Methyl red hydrochloride achieves visual judgment of the titration endpoint through reversible structural changes of protonation (red, pH < 4.4) and deprotonation (yellow, pH > 6.2). Methyl red hydrochloride is widely used in acid-base titration in chemical analysis and buffer pH monitoring in biochemistry.
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- CAS 番号: 63451-28-5
- 分子式: C15H16ClN3O2
- 分子量:305.76
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保管条件:
Please store the product under the recommended conditions in the Certificate of Analysis.
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生物活性
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化学情報
- 純度とドキュメンテーション
- 参考文献
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Help & FAQs
生物活性
Methyl red hydrochloride is used as an acid-base indicator in titration experiments. When the pH changes from 4.4 to 6.2, the color of the solution changes from red to yellow, which can be used to determine the titration endpoint[1].
Methyl red hydrochloride can be dissolved in ethanol to make a 0.1% solution. A few drops are added to the solution to be tested. During the titration process, the color change is observed to determine the pH endpoint[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
化学情報
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CAS 番号 63451-28-5
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分子量 305.76
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分子式 C15H16ClN3O2
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SMILES
O=C(C1=C(/N=N/C2=CC=C(N(C)C)C=C2)C=CC=C1)O.Cl
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輸送条件
Room temperature in continental US; may vary elsewhere.
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保管条件
Please store the product under the recommended conditions in the Certificate of Analysis.
純度とドキュメンテーション
参考文献
Calculators
濃度 (開始) × 体積 (開始) = 濃度 (終了) × 体積 (終了)
Methyl red hydrochloride 関連分類
HY-W145108 関連分類
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