
Tartrazine 89%, pure
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:1934-21-0
:
Formula:C₁₆H₁₂N₄O₉S₂
MDL Number:MFCD00148908
:534.36 g/mol
Melting Pt:>300 °C (dec.)
:GHS08
Storage Temperature:Ambient
Specification Test Results
- Appearance:Orange Powder
- Infrared spectrum:Conforms
- Dye content:≥85 %
- Arsenic (As):≤3 ppm
- Cadmium (Cd):≤1 ppm
- Lead (Pb):≤10 ppm
- Mercury (Hg):≤1 ppm
- Heavy metals (as Pb):≤40 ppm
- Insoluble matter:≤0.2 % (in water)
- Volatile matter:≤15 % chlorides and sulfates (calculated as sodium salts)
- Subsidiary dyes:≤1 %
- Dye intermediates:≤0.5 %
Specification Test Results