Certificate Of Analysis
Product Name 4-Sulfophthalic acid trisodium salt,
technical grade
Product Number 292362
Product Brand ALDRICH
CAS Number 3325-08-4
Molecular Formula NaO3SC6H3-1,2-(CO2Na)2
Molecular Weight 312.14
 
TEST SPECIFICATION LOT 04327AT RESULTS
APPEARANCE WHITE TO YELLOW POWDER, CRYSTALS AND/OR TAN POWDER
TITRATION 73.0%-127.0% (WITH HCLO4) 92.5%
INFRARED SPECTRUM CONFORMS TO STRUCTURE CONFORMS TO STRUCTURE
SOLUBILITY 25 MG/ML, H2O; CLEAR,COLORLESS TO YELLOW 25MG/ML, 1N HCL, CLEAR COLORLESS SOLUTION
THIN-LAYER CONSISTENT WITH 75% PURITY 1 MAJOR WITH TAIL