Print Certificate
Certificate
a-Naphthol extrapure 500GM
11005SG500863690218JU
Extrapure8636902
90-15-374167
C10H8OOctober 2021
144.17September 2026
Sr.No.TestResultSpecification
1DescriptionColourless to pale yellow when freshly crystallised. becomes pink to gray on storage.Colourless to pale yellow when freshly crystallised. becomes pink to gray on storage.
2SolubilityPassesSlightly soluble in water. Freely soluble in alcohol.
3Melting point96°C95° - 97°C
4Sulphated ash0.06%0.1% max
5Assay99.54%Min. 98.5%
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.
Print Certificate