Certificate of Analysis

Product Name 2,2-DIPHENYL-1-PICRYLHYDRAZYL (free radical) 95%
CAS Number 1898-66-4
Molecular Formula C18H12N5O6
Catalogue No. AL0653A
Molecular Weight 394.32 g/mol
Batch Number AL-2026-AL0653A
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥ 95% 96.5%
Moisture Content ≤ 0.5% 0.3%
Residue on Ignition ≤ 0.1% 0.05%
Related Substances None detected None detected
Solubility Soluble in ethanol Soluble in ethanol, slightly soluble in water
Result: The above product is expected to comply with 95% grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
ISO Certifications