Phenolphthalein Specification:
| Item | Specifications |
| Characteristics | A white or almost white powder, practically insoluble in water, soluble in alcohol. |
| Melting Point | It melts at about 260℃ |
| 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% |
Phenolphthalein Application Usage:
Phenolphthalein mainly usages: 1.Pharmaceutical raw materials: pharmaceutical laxative, can stimulate the intestinal wall, cause intestinal peristalsis to promote defecation; 2.Used in organic synthesis: mainly used in the synthesis of plastics, especially the synthesis of diazanazone poly aryl ether ketone poly aryl ether ketone polymerization; 3.For alkali indicator: non-aqueous titration indicator, color layer analysis reagent.
Phenolphthalein Package and Shipping:
It is usually packed in 25Kg/fiber drum.
Phenolphthalein Storage:
Stored in cool, dry, ventilated place keep the container sealed.
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