Certificate of Analysis

Product Name 1,5-DIHYDROXYNAPHTHALENE 98%
CAS Number 83-56-7
Molecular Formula C10H8O2
Catalogue No. AL2201F
Molecular Weight 160.17 g/mol
Batch Number AL-2026-AL2201F
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥ 98% 98.5%
Moisture Content ≤ 0.5% 0.3%
Residue on Ignition ≤ 0.1% 0.05%
Related Substances No more than 1% of any single impurity 0.8%
Solubility Slightly soluble in water; soluble in organic solvents Slightly soluble in water, fully soluble in ethanol.
Result: The above product is expected to comply with 98% grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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