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Alizarin red S for microscopy 25GM
10054SG025891182504HV
For Microscopy8911825
130-22-386499
C14H6Na2O7SAugust 2022
364.24July 2027
Sr.No.TestResultSpecification
1DescriptionOrange powder.Yellow to orange powder.
2SolubilityCompliesSoluble in water and alcohol.
3Dye content (Spectrophotometry, on dry basis)79.00%min. 70.00%
4pH transition range (pH 4.3 - 6.3)CompliesBrilliant yellow to pink
5pH transition range (pH 9.4 - 12.0)CompliesBrown orange to violet
6Absorption, L max (pH 4.3)421nm418 - 424nm
7Absorption, L max (pH 6.3)518nm514 - 520nm
8Absorption, L max (pH 9.4)450nm445 - 451nm
9Absorption, L max (pH 12.0)555nm554 - 558nm
10Loss on drying,110°C5.04%8.00% max.
Remarks: THE CAPTIONED BATCH MATERIAL COMPLIES WITH THE PRESCRIBED QUALITY OF THE ABOVE SPECIFICATION.
FINAR provides this analytical report in good faith and to the best of its knowledge. It should not be substituted for the users own raw material quality control.
Tested By
(Chemist - Quality Control)
Approved By
(Head - Quality Control)
Computer Generated Report - Does not require Signature.
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