Certificate of Analysis

Product Name CHROMOTROPE 2R (M.S.) (C.I. No.16570)
CAS Number 4197-07-3
Molecular Formula C16H10N2Na2O8S2
Catalogue No. AL00490
Molecular Weight 468.37 g/mol
Batch Number AL-2026-AL00490
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay ≥ 85% 87%
Moisture content ≤ 5% 3.2%
Residue on ignition ≤ 1% 0.5%
Related substances Not detectable Not detectable
Solubility Soluble in water Fully soluble in water at room temperature.
Result: The above product is expected to comply with C.I. 16570 grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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