Certificate of Analysis

Product Name BROMO CRESOL PURPLE indicator AR
CAS Number 115-40-2
Molecular Formula C21H16Br2O5S
Catalogue No. AL00318
Molecular Weight 540.22 g/mol
Batch Number AL-2026-AL00318
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay min. 90% 92%
Melting Point 190-192 °C 191 °C
Solubility Slightly soluble in water, soluble in alcohol Slightly soluble in water, fully soluble in ethanol
Appearance White to pale purple crystalline powder Pale purple crystalline powder
Result: The above product is expected to comply with AR grade grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
ISO Certifications