Certificate of Analysis

Product Name 9-HYDROXYXANTHENE 98%
CAS Number 90-46-0
Molecular Formula C13H10O2
Catalogue No. AL02334
Molecular Weight 198.22 g/mol
Batch Number AL-2026-AL02334
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥ 98% 98.5%
Melting Point ~ 120 °C 121 °C
Moisture Content ≤ 0.5% 0.3%
Residue on Ignition ≤ 0.1% 0.05%
Related Substances None detected None detected
Solubility Slightly soluble in water Slightly soluble in water, soluble in ethanol and ether
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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