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| Product Name: | Phenolphthalein |
| Synonyms: | LABOTEST-BB LT02090809;CI 764;CI NO 764 (1924);BETZ 0212;3,3-BIS(4-HYDROXYPHENYL)-1(3H)-ISOBENZOFURANONE;3,3-Bis(4-hydroxyphenyl)phthalide;3,3-BIS(P-HYDROXYPHENYL)PHTHALIDE;TIMTEC-BB SBB008868 |
| CAS: | 77-09-8 |
| MF: | C20H14O4 |
| MW: | 318.32 |
| EINECS: | 201-004-7 |
| Product Categories: | Furan&Benzofuran;Analytical Chemistry;Indicator (pH);pH Indicators;Chemistry;Indicator Solutions;Indicators;Titration;Indicator SolutionsStains and Dyes;P;Stains&Dyes, A to;API;Phthalein |
| Mol File: | 77-09-8.mol |
|
Index Name |
Specifications |
Results |
|
Appearance |
White powder |
Conform |
|
Assay |
99.0%Min |
99.60% |
|
Melting Point |
258to263 Deg C |
260.5to262.5 Deg C |
|
Heavy Metal |
15 ppm Max |
10ppm |
|
Arsenic |
8ppm Max |
8ppm |
|
Residue on ignition |
0.1%Max |
0.06% |
|
Loss on drying |
1.0%Max |
0.16% |
|
Fluoran |
Pass |
pass |
|
Chromatographic Impurity |
1.0%Max |
0.50% |
|
Organic Volatile Impurity |
Pass |
Pass |
This product is a commonly used acid indicator with the range of color change between pH 8.2 (colorless) to 10.0 (red). Phenolphthalein is also a drug, can be used as a laxative, acting on the colon for the treatment of constipation.
Used as an acid-base indicator; as irritant laxative for the treatment of constipation
Qingdao Sigma Chemical Co.,Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma Chemical Co.,Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
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