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Phenolphtalein Indicator in Ethanol, 2g/L, Chem-Lab
Turns red-violent in the presence of bases (at pH 8.2–9.8). Phenolphtalein Indicator in Ethanol, 2g/L, Chem-Lab contains 2g C20H14O4 per 1L C2H5OH. It is used as an indicator in acid-base titrations.
Brand: Chem Lab CL0606101000
| Quantity | 1 L |
|---|
This item is not returnable.
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Description
Phenolphthalein is usually dissolved in alcohol for use in experiments. It is a weak acid, which can lose H+ ions in solution. The phenolphthalein molecule is colorless, while the phenolphthalein ion is pink. In acidic and neutral solutions, the solution is colorless. When a base is added to the phenolphthalein, more ionization takes place, causing the solution to turn a red-violet color. This solution turns this pinkish color at pH 8.2–9.8.Specifications
| -114°C | |
| 2g C20H14O4 per 1L C2H5OH | |
| MFCD00005913 | |
| KJFMBFZCATUALV-UHFFFAOYSA-N | |
| 3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one | |
| 4764 | |
| 46.07g/mol | |
| 0.79g/mL | |
| Ethanol | |
| Liquid |
| 77-09-8, 64-17-5 | |
| C20H14O4 | |
| Slightly soluble in water | |
| OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1 | |
| 318.33 | |
| CHEBI:34914 | |
| Alcoholic | |
| Colorless to red-violet at pH 8.2–9.8 | |
| 1 L | |
| Phenolphtalein |
Safety and Handling
Product Identifier
Signal Word
Hazard Category
Hazard Statement
Precautionary Statement
- Phenolphtalein indicator in Ethanol
Signal Word
- Danger
Hazard Category
- Flammable liquid Category 2
- Carcinogenicity Category 1A
- Germ cell mutagenicity Category 2
- Reproductive toxicity Category 2
Hazard Statement
- H225-Highly flammable liquid and vapour.
- H350-May cause cancer.
- H341-Suspected of causing genetic defects.
- H361-Suspected of damaging fertility or the unborn child.
Precautionary Statement
- P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
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