| CAS No.: | 77-09-8 |
|---|---|
| Formula: | C20h14o4 |
| EINECS: | 201-004-7 |
| Classification: | Phenolphthalein |
| Grade: | High |
| Content: | 98.0%-101.0% |
| Customization: |
|---|
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| Characteristics | A white or almost white powder, practically insoluble in water, soluble alcohol. | ||
| Melting Point | It melts at about 260ºC | ||
| 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:
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.
FAQ:
Q: What is the Minimum Order Quantity (MOQ)?
A: The MOQ is 1000KG.
Q: How can I obtain a sample?
A: We offer samples up to 500g for free. To receive one, please provide your DHL account for freight collection, or cover the courier costs upfront. These costs will be refunded upon placement of a bulk order.
Q: What is the lead time for orders?
A: Typically, orders are ready to be shipped approximately two weeks after receipt of the prepayment or Letter of Credit (L/C). However, this timeframe may vary by up to one week earlier or later, depending on production schedules.
Q: What are the bulk packaging options?
A: For bulk orders, packaging varies depending on the product form. Liquid products are packaged in 200-liter polythene plastic drums, with a net weight of 250kg per drum, or in 1250kg IBC Tanks, ensuring safe and efficient transportation. For powder products, we typically use 25KG Kraft paper bags, 25KG cardboard drums, or 1MT polypropylene bags, accommodating different handling and shipping requirements.
Q: What payment methods are accepted?
A: We accept various common international trade payment methods, including Letters of Credit (L/C), Documents against Payment (D/P), and Telegraphic Transfer (T/T). Please note that we do not accept credit card payments. Payment terms can be negotiated to provide flexibility and convenience for our clients, ensuring a smooth transaction process.
Q: Can the packaging be customized?
A: Yes, packaging can be customized to meet the specific needs of our clients. This includes options for different container sizes, materials, and labeling services. Please discuss your requirements with us in advance to ensure we can accommodate your needs.
Q: Is there a discount for large orders?
A: We offer volume discounts for large orders. The discount rate depends on the order quantity and product specifications. Please contact our sales team with your order details to discuss potential discounts and pricing.
Q: What quality certifications do you have?
A: Our products and manufacturing processes are certified by international standards such as ISO 9001 for quality management systems and ISO 14001 for environmental management systems. Specific product certifications and compliance documents are available upon request.
Q: How can I track my order?
A: Once your order is shipped, we will provide you with a tracking number and shipping details. You can track your order through the carrier's website or contact our customer service team for updates on your shipment's status.
Q: What shipping methods do you offer, and what are the terms of transport?
A: We offer versatile shipping options to accommodate the diverse needs of our clients, including sea freight, air freight, and land transportation. For sea freight, we support all major ports in China, ensuring comprehensive coverage for international shipping. Our land transportation options include both rail and road freight, providing flexibility for domestic and cross-border deliveries. Regarding transport terms, we are equipped to handle a variety of Incoterms, including FOB (Free On Board), CIF (Cost, Insurance, and Freight), CFR (Cost and Freight), DDP (Delivered Duty Paid), FCA (Free Carrier), and EXW (Ex Works), allowing us to tailor shipping and logistics services to meet specific requirements.
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