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酚酞

所属分类

产品描述

Phenolphthalein

Purity99%

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 formulaC20H14O4

molecular weight318.329
EINECS No.201-004-7

Package25kg/drum
Storage Keep at room temperature away from light, sealed and moisture-proof.

 

Technical Specification

Phenolphthalein

Purity99%以上

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 formulaC20H14O4

molecular weight318.329
EINECS No.201-004-7

Package25kg/drum
Storage
cool and dry at room temperature

 

Technical Specification

Item Standard
Apperance

White to light yellow crystal powde

Identification

1positive response2There should be maximum absorption at 275nm and minimum absorption at 259nm.3Should 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

关键词:

phenolphthalein

CAS77-09-8


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