Quick details for Phenolphthalein
Chemical Name: Phenolphthalein
CAS No.: 77-09-8
Molecular Fomula: C20H14O4
Chemical Structure:
Molecular weight: 318.32
Appearance: A white powder, practically insoluble in water, soluble in alcohol.
Assay: 98.0%-101.0%(C2OHi4O4)
Specification for Phenolphthalein
| Item |
Specifications |
| Characteristics |
A white or almost white powder, practically insoluble in water, soluble in alcohol. |
| Melting Point |
It melts at about 260ºC |
| Identification |
A:Positive B:Positive |
| 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 more than0.001% |
| 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%(C2OHi4O4) |
| Microorganism |
TPC<1000cfu/g |
| Y and M <100cfu/g |
| E-coli - absent |
| Staphylococcus Aureus-Absent |
| Pseudomonas Aeruginosa-Absent |
| Albicans Saccharomyces-Absent |
Usage for Phenolphthalein
(1) This product is a commonly used acid indicator, and the color change range is pH 8.2 (colorless) -10.0 (red). Phenolphthalein is also a drug that acts as a laxative in the colon and is used to treat constipation.
(2) Acid-base indicator, non-aqueous titration indicator, chromatographic reagent.
Package for Phenolphthalein
25kg/fiber drum, or as per customer request.
Storage for Phenolphthalein
Storage in clean and dry place.
Certificate:
Packing:
Fluorinating bottle packing for small quantity sample.
25kg/plastic drum package.
200L/plastic or iron drum package.
IBC drum package.
Delivery:
≤50kg, Courier door to door delivery recommended;
≤500kg,Air shipping recommended, CIP to your airport;
>500kg, Sea shipping recommended, FOB, CFR, or CIF to your sea port;
For high value products, please select air shipping and courier delivery for safety.
About us
Refine Chemical is a manufacturer and exporter for chemical materials. We have diversified activities in R&D, production, sales and also trading. Our factory was established in September of year 2000 with total area 150,000 square meters, we specialize in the business of organic intermediate, daily chemical, catalysts & chemical auxiliary agents, and fine chemicals. Our company has passed ISO9001, ISO14001 quality and environmental management system certification.
With the increasing of export business, our exporting company was established in the year of 2015. In the past 7 years since its establishment, we have won many high-quality customers ranked high in the industry with high-quality products, first-class services and most competitive prices. Our products are exported to Japan, South Korea, Europe, the United States, South America, Southeast Asian countries, and have been highly praised by customers.
We also have an international procurement team to engage in procurement of chemical engineering materials in China for international companies. Based on our considerate service and strict quality management procedure, we have assisted many foreign large-scale companies in completing the procurement of various chemical engineering products, and got high evaluation.
We will be always committed to becoming the best choice for customers in chemical industry.
Our service
FAQ
1.DO YOU ACCEPT SAMPLE ORDER?
We accept sample orders. We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
2.HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
3.WHAT'S YOUR MOQ?
Our MOQ is 1kg. Usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
4.DO YOU SUPPLY PRODUCT REPORT?
Yes. We'll give you product analysis report before shipping.
5.IS THERE A DISCOUNT?
Different quantity has different discount.
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