CERTIFICATE OF ANALYSIS

PRODUCT NAME: Chromotropic Acid Disodium Salt Dihydrate AnalaR
Date of Mfg: Sample COA RETEST DATE: Sample COA
Catalogue Number ANAR-030
Lot Number Sample COA
Batch Quantity Sample COA
CAS Number 5808-22-0
Mol. Formula C10H6O8S2Na2·2H2O
Molecular Wt 400.28
Long Term Storage Condition Room Temperature below 30°C Handling instruction Sample COA
Chemical Name Chromotropic Acid Disodium Salt Dihydrate AnalaR
Synonyms 4,5-Dihydroxy-2,7-naphthalene disulfonic acid sodium salt; Disodium Chromotropate Dihydrate
Test Results
Appearance Gray-white to Light Brownish
Identification by 1H NMR Sample COA
Identification By IR Sample COA
Mass (ESI) Sample COA
Purity Assay NLT 99% BY (Acidimetric, calc. on anhydrous substance)
Wt. Loss by TGA Sample COA
% Potency Sample COA
Solubility Soluble in Water
QC Release Date Sample COA
Attachments Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption
This is Sample COA