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Pharmaceutical Chemical 99% Phenolphthalein/Phenothalin CAS No 77-09-8

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Pharmaceutical Chemical 99% Phenolphthalein/Phenothalin CAS No 77-09-8 photo-4
US$ 15.9 - 35.9 MOQ: 10 Kilograms
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CAS No.:
77-09-8
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CAS No. 77-09-8

Product Description

Phenolphthalein appears as white or yellowish-white to pale orange fine crystalline powder. Odorless. Aqueous solution is acidic. Colorless to pH 8.5; pink to deep-red above pH 9. Colorless in presence of large amounts of alkali. Tasteless.Phenolphthalein is an organic compound used as a laboratory reagent and pH indicator. Phenolphthalein exerts laxative effects by stimulating the intestinal mucosa and constricting smooth muscles. However, phenolphthalein is no longer used as a laxative due to the suspected carcinogenicity of this compound.

Phenolphthalein 99% CAS 77-09-8 Speciticaiton :
 

Item Specifications
Characteristics A white or almost white powder, practically insoluble in water, soluble in alcohol.
Melting Point It melts at about 260ºC
Identification A:Positive B:Positive
Appearance of solution The solution is clear and not more intensely coloured than reference solution Y7
Related substances Less than 0.5%
Heavy metals Not more than0.001%
Acidity or alkalinity Complies
Chlorides Not more than 0.01%
Sulphates Not more than 0.02%
Loss on drying Not more than 0.5%
Sulphated ash Not more than 0.1%
Assay 98.0%-101.0%(C2OHi4O4)
Microorganism TPC
Y and M
E-coli - absent
Staphylococcus Aureus-Absent
Pseudomonas Aeruginosa-Absent
Albicans Saccharomyces-Absent

Phenolphthalein 99% CAS 77-09-8 Application :

This product is a commonly used acid indicator, and the color change range is pH 8.2 (colorless) -10.0 (red).
Phenolphthalein is one of the most widely used indicators.  Phenolphthalein is used as a laxative to treat incomplete and infrequent bowel movement.
Phenolphthalein also is used in automotive and aviation industries.

USUAL PACKAGE: 25kg net paper drum

SHELF LIFE: Three Years

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Product Tags: Pharmaceutical Chemical Phenolphthalein , CAS No 77-09-8 , 99% Phenolphthalein/Phenothalin

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Chaoyang Saribeda Chemicals Co.,Ltd
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Business Type
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Year Established
2017
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Annual Export Value
US$10 Million - US$50 Million
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