| Customization: | Available |
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| CAS No.: | 77-09-8 |
| Formula: | C20h14o4 |
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Phenolphthalein appears as white or yellowish-white to pale orange fine crystalline powder. Odorless. Aqueous solution is acidic. Colorless to pH 8.5; pink to deep-red above pH 9. Colorless in presence of large amounts of alkali. Tasteless.Phenolphthalein is an organic compound used as a laboratory reagent and pH indicator.
Product Spesfication
| TEST ITEM: | SPECIFICATION: | RESULTS: |
| Characteristics: | A white or almost white powder, practically insoluble in water, soluble in alcohol. | A white powder, practically insoluble in water, soluble in alcohol. |
| Melting Point | It melts at about 260°C-262°C | 261°C ~262°C |
| Identification | A:Positive B:Positive |
A:Positive B:Positive |
| Appearance of solution | The solution is clear and not more intensely coloured than reference solution Y7 | Complies |
| Related substances | Less than 0.01% | <0.01% |
| Heavy metals | Not more than0.001% | <0.0009% |
| Acidity or alkalinity | Complies | Complies |
| Chlorides | Not more than 0.01% | <0.01% |
| Sulphates | Not more than 0.02% | <0.02% |
| Loss on drying | Not more than 0.5% | 0.12% |
| Sulphated ash | Not more than 0.1% | 0.01% |
| Assay | 98.0%-101.0%(C20H14O4) | 99.6% |
| Storage condition: | Store in well closed drums, in cool and dry storage area. | |
TRANSPORTATION
Samples or samll order we suggest Express by airline.
Mass order we suggest using container by sea.
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The company operates automated production lines equipped with advanced quality control systems, including gas and liquid chromatography. It collaborates closely with universities and research institutions in Shanghai, Hebei, and Tianjin to enhance product quality and R&D capabilities.
With the mission of "Creating a cleaner, safer, and better life for humanity," GreatAp Chemicals is committed to becoming a world-class supplier of specialty chemical products, working hand-in-hand with customers to build a brighter future.
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