CAS 77-09-8 Phenolphthalein-Professional supplier
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We can supply Phenolphthalein (CAS:77-09-8) with lowest factory price,high quality and regular basis.
Specification of Phenolphthalein
| Item | Specifications |
| Characteristics | A white or almost white powder, practically insoluble in water, soluble in alcohol. |
| Melting Point | It melts at about 260C |
| 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 |
More About Phenolphthalein
CAS: 77-09-8
Standard:Technical grade
Model:SC-001
Capacity:300MT/month
Loading port: Shanghai
Synonyms: Phenolphthalein
MF: C20H14O4
Use of Phenolphthalein
Phenolphthalein is well used on 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.
Package Of Phenolphthalein
25kg/drum or according to the customers’ demand
Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down.
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