Tartrazine 89%, pure

Supplier: Thermo Scientific Chemicals
Danger

Synonyms: FD and C Yellow No. 5Sodium 5-oxo-1-(4-sulphonatophenyl)-4-((4-sulphonatophenyl)diazenyl)-4,5-dihydro-1H-pyrazole-3-carboxylateAcid Yellow 23Sodium 5-oxo-1-(4-sulfonatophenyl)-4-((4-sulfonatophenyl)diazenyl)-4,5-dihydro-1H-pyrazole-3-carboxylateFilter Yellow

19189-1000 19189-5000
TS19189-5000EA 165 USD
TS19189-5000 TS19189-1000
Tartrazine 89%, pure
Tartrazine
Formula: C₁₆H₁₂N₄O₉S₂
MW: 534.36 g/mol
Melting Pt: >300 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00148908
CAS Number: 1934-21-0

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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 %

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