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Stains & pH Indicators - |
| PHENOLPHTHALEIN |
| SPECIFCIATION
|
| PRODUCT
NAME |
PHENOLPHTHALEIN |
| MOL. FORMULA
|
C20H14O4 |
| MOL. WT |
313.31 |
| CHEMICAL NAME |
3,3-BIS (4-HYDROXYPHENOL) PHTHALIDE |
DESCRIPTIONS
|
WHITE OR YELLOWISH WHITE CRYSTALLINE
POWDER |
| ODOUR |
ODOURLESS |
| SOLUBILITY |
INSOLUBLE IN WATER, SOLUBLE IN ETHANOL
& ETHER |
| MELTING POINT |
258°C TO 263°C |
| LEAD |
LIMIT 0.001% |
| SULPHATED ASH |
0.1 MAX |
| LOSS ON DRYING |
NOT MORE THAN 1.0% OF ITS WEIGHT |
| ASSAY |
98.0% TO 102% OF C20H14O4 CALCULATED
ON DRIED BASIS |
| USE |
LAXATIVE, CATHARTIC |
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