Certificate of Analysis

Product Name a-NAPHTHOLPHTHALEIN
CAS Number 596-01-0
Molecular Formula C28H18O4
Catalogue No. AL01051
Molecular Weight 418.45 g/mol
Batch Number AL-2026-AL01051
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥ 98% 99.5%
Melting Point 170-172 °C 171 °C
Moisture Content ≤ 0.5% 0.3%
Residue on Ignition ≤ 0.1% 0.05%
Related Substances None detected None detected
Solubility Sparingly soluble in water Sparingly soluble in water, soluble in ethanol
Result: The above product is expected to comply with Standard grade grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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