Certificate of Analysis

Product Name COLOPHONY (Resin) (Gum Rosin)
CAS Number 8050-09-7
Molecular Formula C20H30O2
Catalogue No. AL0527A
Molecular Weight 302.46 g/mol
Batch Number AL-2026-AL0527A
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay Purity Minimum 90% 92%
Melting Point 80-100 °C 85 °C
Moisture Content Maximum 1% 0.5%
Residue on Ignition Maximum 1% 0.8%
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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