Factory Price CAS 77-09-8 Phenolphthalein

Model NO.
77-09-8
Colour
White
Molecular Weight
318.32300
Habit Appellation
Fine Chemical
Specific Usage
Chemical Medicine
Usage
Laboratory Reagents
Application
Laboratory
Classification
Organic Analytical Reagents
Transport Package
Fiber Can
Specification
10kg, 25kg
Trademark
SHANYU
Origin
China
HS Code
293229100
Production Capacity
9000tons Per Year
Reference Price
$ 12.60 - 85.50
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Product Description

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.

 

Factory Price CAS 77-09-8 Phenolphthalein
Factory Price CAS 77-09-8 Phenolphthalein
Factory Price CAS 77-09-8 Phenolphthalein

 

Specification

 

TEST ITEM: SPECIFICATION: RESULTS:
Characteristics: A white or almost white powder, practically insoluble in water, soluble in alcohol. A white powder, practically insoluble in water, soluble in alcohol.
Melting Point It melts at about 260°C-262°C 261°C   ~262°C
Identification A:Positive
B:Positive 		A:Positive
B:Positive
Appearance of solution The solution is clear and not more intensely coloured than reference solution Y7 Complies
Related substances Less than 0.01% <0.01%
Heavy metals Not more than0.001% <0.0009%
Acidity or alkalinity Complies Complies
Chlorides Not more than 0.01% <0.01%
Sulphates Not more than 0.02% <0.02%
Loss on drying Not more than 0.5% 0.12%
Sulphated ash Not more than 0.1% 0.01%
Assay 98.0%-101.0%(C20H14O4) 99.6%
Storage condition: Store in well closed drums, in cool and dry storage area.
 
 
Packaging & Shipping

 

Packing & Shipping
Factory Price CAS 77-09-8 Phenolphthalein
Factory Price CAS 77-09-8 Phenolphthalein
Factory Price CAS 77-09-8 Phenolphthalein
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Organic Intermediate