Molecular FormulaC20H14O4Melting Point258-263 °C MSDSChineseUSAFlash Point206.5±23.6 °C Symbol GHS02, GHS07, GHS08Signal WordDanger PurityQuantityBudgetInquiry Use of Phenolphthalein Phenolphthalein is a widely applied but toxic indicator dye. ...
PHENOLPHTALEIN;Fenolftalein;phenolphtaleine;PHENOLPHTHALEIN INDICATOR SOLUTION;3,3-bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one;colax;phthalin;alpha-di(p-hydroxyphenyl)phthalide;2-[Bis(4-hydroxyphenyl)methyl]benzoic acid;.alpha, alpha.-Di(p-hydroxyphenyl)phthalide ...
77-09-8 Pharmchem China, Phenolphthalein, BP2013/USP23 Molecular Formula: C20H14O4 Molecular Weight: 318.33 CAS No.: 77-09-8 Technical Data Sheet Appearance: White powder Identification:
(pH); pH Indicators; Chemistry; Indicator Solutions; Indicators; Titration; Indicator SolutionsStains and Dyes; P; Stains&Dyes, A to. Its EINECS registry number is 201-004-7. In addition, the formula is C20H14O4and the molecular weight is 318.32. This chemical is a white to light ...
Use: A 1% alcoholic soln as an indicator in titrations of mineral and organic acids and most alkalies.Therap-Cat: Cathartic.Therap-Cat-Vet: Has been used as a laxative.Keywords: Laxative/Cathartic. Other Monographs: Eperisone Meconin α1-Antitrypsin Calcium Tungstate(VI) Aluminum Chlorate ...
PHENOLPHTHALEIN SOLUTION REAG. PH. EUR., INDICATOR, 1% IN ETHANOL CBNumber: CB64681744 Molecular Formula: Molecular Weight: 0 MDL Number: MOL File: Mol file Request For Quotation Suppliers1 PHENOLPHTHALEIN SOLUTION REAG. PH. EUR., INDICATOR, 1% IN ETHANOL Preparation Products And Raw materials ...
英[ˌfi:nɒl'fθæli:n] 美['finɒl'θælin] 是什么意思 n. 酚酞; 英英释义 phenolphthalein[ ,fi:nɔl'fθæliin, -li:n ] n.a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong...
(CAS 6607-41-6, C26H19NO3), is a white solid, widely used in analytical chemistry as an indicator for acid-base titrations. It is insoluble in water but soluble in organic solvents. Phenolphthalein anilide exhibits a colorless to pink transition in the pH range of 8.2-10.0, making it ...
The high selectivity benefits from the role of phenolphthalein as a color indicator, an efficient phase transfer catalyst, and a preferred conformation of the starting materials as indicated by analyzing a single-crystal X-ray structure of an analogous macrocycle. The melt ROP of phenolphthalein ...
The main uses of phenolphthalein are: 1, pharmaceutical industry pharmaceutical raw materials: pharmaceutical laxative, can stimulate the intestinal wall, cause intestinal peristalsis to promote defecation. 2, for organic synthesis: mainly used for synthetic plastics, 3, for alkali...