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產(chǎn)品描述

Phenolphthalein

Purity：99%

Alias ：Phenolphthalein(8Cl);3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone;3,3-Bis(4-hydroxyphenyl)phthalide;3,3-Bis(p-hydroxyphenyl)phthalide;Euchessina;Koprol;Laxogen;Lilo;NSC 10464;NSC 215214;Phthalimetten;Phthalin;Purga;Purgen;Purgophen;Spulmako-lax;

General Specification：
【CAS No.】77-09-8

【molecular formula】C20H14O4

【molecular weight】318.329
【EINECS No.】201-004-7

【Package】25kg/drum
【Storage 】Keep at room temperature away from light, sealed and moisture-proof.

Technical Specification：

Phenolphthalein

Purity：99%以上

General Specification：
【CAS No.】77-09-8

【molecular formula】C20H14O4

【molecular weight】318.329
【EINECS No.】201-004-7

【Package】25kg/drum
【Storage 】cool and dry at room temperature

Technical Specification：

Item	Standard
Apperance	White to light yellow crystal powde
Identification	（1）positive response（2）There should be maximum absorption at 275nm and minimum absorption at 259nm.（3）Should be consistent with IR control map
Purity	99%
Melting Point	Should be 260-263℃
Loss on drying	≤1.0%

Product Usage：
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

Package & Storage：
25kg/drum
【Storage 】cool and dry at room temperature