Food additives data book - wordpres

PURITY %: Content not less than 85% total colouring matter, calculated as the sodium salt
WATER CONTENT MAXIMUM IN %: 15
HEAVY METAL CONTENT MAXIMUM IN 40
ppm:
ARSENIC CONTENT MAXIMUM IN ppm: 3
SOLUBILITY % AT VARIOUS TEMPERATURE/pH COMBINATIONS:
in water: @ 20°C 4% @ 50°C 5% @ 100°C 6%
in vegetable oil: @ 20°C Insoluble @ 50°C Insoluble @ 100°C Insoluble
in sucrose solution: @ 10% 4% @ 40% 2% @ 60% 1%
in sodium chloride solution: @ 5% Soluble @ 10% Insoluble @ 15% Insoluble
in ethanol solution: @ 5% 4% @ 20% 2% @ 95%