Phenolphthalein
| Item | Standards |
|---|---|
| Characteristics | A white or almost white powder,practically insoluble in water, soluble alcohol. |
| Melting Point | It melts at about 260℃ |
| Appearance of Solution | The solution is clear and not more intensely coloured than reference solution Y7. |
| Related Substances | Less than 0.5% |
| Heavy Metals | Not mare than 0.001% |
| Acidity or Alkalinity | Complies |
| Chlorides | Not more than 0.01% |
| Sulphates | Not more than 0.02% |
| Loss on Drying | Not more than 0.5% |
| Sulphated Ash | Not more than 0.1% |
| Assay | 98.0%-101.0%(C20H1404) |
| Microorganism | TPC<1000cfu/g |
| Y and M <100cfu/g | |
| E-coli - absent | |
| Staphylococcus Aureus - Absent | |
| Pseudomonas Aeruginosa - Absent | |
| Albicans Saccharomyces - Absent | |
| Package | In 25KG drum |
Application:
- The pharmaceutical raw materials in pharmaceutical industry: it is suitable for habitual stubborn constipation, including tablets, suppositories and other formulations.
- It can be used for organic synthesis: mainly used in synthesizing plastics, especially in synthesizing the phthalazinone poly aryl ether ketone poly aryl ether ketone polymers. This kind of polymers, because of its excellent heat resistance, water resistance, corrosion resistance, heat aging resistance and good processability, fibers, coatings and composites made of it are widely used in the fields of electrical and electronic equipment, transportation and aerospace, atomic energy engineering and military.
- Used as acid and alkali indicator, non-aqueous solution titration indicator and chromatography analysis reagents.
Description:
Phenolphthalein is a highly interesting compound with a wide range of uses. It is typically used as an indicator in acid-base titrations, displaying a unique color change that makes it easy to determine the endpoint of a reaction. When in an acidic environment, it is colorless, but when it comes into contact with an alkaline solution, it turns bright pink. This makes it a highly useful tool for chemists to accurately measure the acidity or alkalinity of a solution.
In addition to its use in titrations, phenolphthalein is also used in the manufacture of certain types of laxatives. As a stimulant, it can help promote bowel movement and relieve constipation. While not recommended for long-term use, it can be an effective solution for patients with short-term digestive issues.
Overall, phenolphthalein is a multifunctional, valuable compound with a variety of important applications in the fields of chemistry and medicine.
Phenolphthalein Cas No: 77-09-8
Phenolphthalein manufactory
Phenolphthalein manufactory of China
Q:What’s the Minimum Order Quantity of Phenolphthalein?
A: 1000KG
Q: How to Get Sample of Phenolphthalein?
A: Sample within 500g could be sent for free once buyer’s DHL account is advised for freight collect or courier cost is paid. The courier cost could be deducted when bulk order is placed.
Q: What is Lead Time of Cas No: 77-09-8?
A: Generally, cargo could be loaded on ship in about two weeks after the date of receiving prepayment or L/C. Sometimes one week earlier or later.
Q: What’s the bulk Packing of Phenolphthalein?
A: 25KG/Cardboard drum packing
Q: How About the Phenolphthalein of ZXCHEM?
A: Phenolphthalein is a chemical compound with various applications across different industries. Here are some of its product applications:
Laboratory Reagent: Phenolphthalein is commonly used as a pH indicator in laboratories. It changes color depending on the acidity or alkalinity of a solution, making it valuable for identifying the endpoint of titrations and determining the pH of various substances.
Medical Applications: In medicine, Phenolphthalein has been used as a laxative due to its stimulant effect on the intestines. However, it has been largely discontinued as a medicinal product due to safety concerns.
Educational Purposes: Phenolphthalein’s use as a pH indicator makes it an essential tool in science education. It is often employed in chemistry experiments to teach students about acid-base reactions and titrations.
Quality Control in Industries: Phenolphthalein can be used to assess the acidity of different products during quality control processes. It is applied to samples to determine whether they meet specified pH requirements, ensuring the products’ safety and consistency.
Forensic Testing: In forensic science, Phenolphthalein can be used as a bloodstain detection agent. When sprayed on suspected bloodstains, it reacts with hemoglobin, causing a pink color change, aiding in crime scene investigations.
Indicator in Chemical Reactions: Phenolphthalein is used as an indicator in various chemical reactions to detect the presence of acids or bases. Its color change provides valuable information on reaction progress and endpoint determination.
