The fluorescent tracers are increasingly used in the field of hydrology. Brilliant Blue FCF Granular is not a fluorescent tracer, however for many applications in flow control it is very valid as it is very visible and creates a lot of contrast to the naked eye. It is a dye also used in cosmetics and for food colouring.

IDENTIFICATION AND PROPERTIES

Name: Brilliant Blue FCF Granular
Synonyms: Sulfacid brilliant blue 5 J, Atracid blue FG
CAS: 3844-45-9
EC: 223-339-8

• Physical state at 20ºC: Solid
• Appearance: Powdery
• Colour: Blue
• Odour: Odourless
• Density at 20ºC: 1000 kg/m3
• pH: 4-10 (at 1%)
• Melting point/freezing point: 283ºC
• Flash point: >2000ºC

USES

• Textile dye
• Professional user/industrial user only