CERTIFICATE OF ANALYSIS

Product Name CRYSTAL VIOLET AR/ACS CAS Number 548-62-9
Molecular Formula C 25 H 30 ClN 3 Catalogue No. AL1567
Molecular Weight 407.99 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED

Description
Assay (calculated on the anhydrous basis)
Identification test
Water
Residue on ignition
Alcohol-insoluble substances
Arsenic (As)
Lead (Pb)
Zinc (Zn)
Chromatographic purity
A dark green colored powder
96.0 – 100.5%
Passes A, B & C test
Max.7.5%
Max.1.5%
Max.1.0%
Max.0.001%
Max.0.003%
Passes test
Passes test
A dark green colored powder
96.5%
Passes A, B & C test
5.63%
1%
Nil
Max.0.001%
0.002%
Passes test
Passes test
Result: The above product complies with AR grade

Tested By
Hitesh Kunjathur