Menu
Global B2B sourcing platform
Verified suppliers and manufacturers

Phenolphthalein Indicator Powder Car Shampoo Phenolphthalein CAS 77-09-8

Price $13.50
Min Order 25 kg
Availability In Stock
Shipping From Hebei, China
Popularity 420 people viewed
Model NO.:
phenolphthalein
CAS No.:
77-09-8
Formula:
C20h14o4
EINECS:
201-004-7
Aldehyde:
Ester Ring Aldehyde
Aether:
Aliphatic Ethers
Hydroxybenzene:
Polyphenol
Ketone:
Saturated Ketone
Molecular Weight:
318.32300
Habit Appellation:
Fine Chemical
Specific Usage:
Chemical Medicine
Usage:
Laboratory Reagents
Application:
Laboratory
Classification:
Organic Analytical Reagents
Trademark:
SHANYU
Transport Package:
Fiber Can
Specification:
10kg, 25kg
Origin:
China
HS Code:
293229100
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.

 

 

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 PointIt melts at about 260°C-262°C261°C ~262°C
IdentificationA:Positive
B:Positive
A:Positive
B:Positive
Appearance of solutionThe solution is clear and not more intensely coloured than reference solution Y7Complies
Related substancesLess than 0.01%<0.01%
Heavy metalsNot more than0.001%<0.0009%
Acidity or alkalinityCompliesComplies
ChloridesNot more than 0.01%<0.01%
SulphatesNot more than 0.02%<0.02%
Loss on dryingNot more than 0.5%0.12%
Sulphated ashNot more than 0.1%0.01%
Assay98.0%-101.0%(C20H14O4)99.6%
Storage condition:Store in well closed drums, in cool and dry storage area.
 
 
Packaging & Shipping

 

Packing & Shipping
Exhibition

 


 
  • Similar Products
Full Page Contact Supplier