o-Cresolphthalein

Synonoms:o-Cresolphthalein

CAS [596-27-0]

 

 

 

CERTIFICATE OF ANALYSIS

o-Cresolphthalein
CAS [596-27-0]
Molecular Formula
346.38
Molecular formula
C22H18O4
Batch No.
20070103
Manufacture date
2007.01.03
Quantity
Report date
2007.01.06

 

Test items
Standards
Results
Visual transition interval PH
8.2 to 10.4
8.2(colorless),10.4(red)
1% alcohol solution
Clear
Pass
Loss on drying
1%
0.89%
Sulphated ash
=0.1%
0.092%
Conclusion: It compiles with the requirements of the standard
QC Director: QA Director:

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