Certificate of Analysis

Product Name 2,3-DIAMINONAPHTHALENE 97% Extra Pure
CAS Number 771-97-1
Molecular Formula C10H10N2
Catalogue No. AL00596
Molecular Weight 158.20 g/mol
Batch Number AL-2026-AL00596
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥ 97% 98.5%
Melting Point 90-92 °C 91 °C
Moisture Content ≤ 0.5% 0.3%
Residue on Ignition ≤ 0.1% 0.05%
Related Substances No significant impurities None detected
Result: The above product is expected to comply with 97% Extra Pure grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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