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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. Phenolphthalein exerts laxative effects by stimulating the intestinal mucosa and constricting smooth muscles. However, phenolphthalein is no longer used as a laxative due to the suspected carcinogenicity of this compound.
| Product Name | Phenolphthalein |
| CAS No. | 77-09-8 |
| other name | Phenolphthalein powder |
| Appearance | white powder |
| Packing | 25kg/drum |
| Specification | chemicals |
| Shelf life | 2 Years |
Phenolphthalein 99% CAS 77-09-8 Speciticaiton :
| 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 |
Phenolphthalein 99% CAS 77-09-8 Application :
This product is a commonly used acid indicator, and the color change range is pH 8.2 (colorless) -10.0 (red).
Phenolphthalein is one of the most widely used indicators. Phenolphthalein is used as a laxative to treat incomplete and infrequent bowel movement.
Phenolphthalein also is used in automotive and aviation industries.
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Phenolphthalein is packaged in 25kg bag
Phenolphthalein shipping by air, by sea , by air express like Fedex , DHL, UPS
| Product name | Package | shipping |
| Phenolphthalein | 25kg drum | by air, by sea , by air express like Fedex , DHL, UPS |
Our chemicals are carefully formulated to meet the high standards of quality, efficiency, and safety. With our advanced technology and strict quality control measures, we ensure that our products deliver exceptional performance and reliability.
Whether you require chemicals for pharmaceutical, agricultural, or industrial applications, we have a wide range of solutions to meet your specific needs. We are committed to providing excellent customer service and look forward to establishing a long-lasting business relationship with you.
1.High quality with competitive price.
2. All purity>99%.
3. We are manufacturer and can provide high quality products with factory price.
4.Fast and safe delivery.
5. OEM is welcome
6. Enough stock
Q1: About the after-sale service of products
A: After purchasing the products from our factory, we have A professional technical team and after-sales team to serve you and solve all your problems in the future.
Q2: Can I get some samples?
A: Yes, we can provide samples, but the customer will pay the freight.
Q3: How do I start paying?
Payment can be made by wire transfer or western union or paypal,visa, mastercard, T/T, apple_pay, google_pay, gc_real_time_bank_transfer , etc.
Q4: How to confirm product quality before placing an order?
A: You can get free samples of some products. You just have to pay the shipping fee or arrange for the sample to be sent to us by express.
You can send us your product specifications and requirements and we will produce products according to your requirements.
Q5: What is your MOQ?
A: The minimum quantity we can order is 1kg.
But usually we can accept a smaller quantity, say 100g, at the cost of 100% sample charge.
Q6: Shipping Time?
A: We ship the parcel out in 1-2 days and offer tracking No.. Shipping time is different to different country. Please consult
