Yellow 5 Lake

CAS: 12225-21-7
INCI: CI 19140 (yellow no. 5 FD&C lake)
Composition: CI 19140 (yellow no. 5 FD&C lake)
Purity Grade: No purity grade applicable
Appearance: Yellow powder
Solubility: Water-soluble (20g/100ml), miscible in oils
Preservation: Preservative-free
Storage: Store light-protected at a cool and dry place
Raw Material Source: 1-(phenyl-4-sulfonic acid)-3-carboxy-5-pyrazolone
Manufacture: Yellow No. 5 is a synthetic dye. It is manufactured by diazotizing 4-aminobenzenesulfonic acid using hydrochloric acid and sodium nitrite. The diazo compound is coupled with 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid or with the methyl ester, the ethyl ester, or a salt of this carboxylic acid. The resulting dye is purified and isolated as the sodium salt (lake).
Animal Testing: Not animal tested
GMO: GMO-free (does not contain plant-derived components)
Vegan: Does not contain animal-derived components