Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
White, yellowish or slightly pinkish crystalline powder.
Appearance of solution (100 g/l, ethanol 96 %)
Clear and not more intensely colored than intensity 5 of the range of reference solutions of the most appropriate color acc. to
Ph Eur
Melting range
48 - 63 °C
Absorption maximum λ 1 (Ethanol)
289 - 292 nm
Absorption maximum λ 2 (Ethanol)
227 - 230 nm
Spec. Absorptivity A 1%/1cm
(λ1max; 0.02 g/l; ethanol)
190 - 210
Spec. Absorptivity A 1%/1cm
(λ2max; 0.02 g/l; ethanol)
326 - 345
As (Arsenic)
≤ 3 ppm
Hg (Mercury)
≤ 1 ppm
Pb (Lead)
≤ 2 ppm
Related substances (TLC) (3-tert-Butyl-4-methoxyphenol)
≤ 10 %
Related substances (TLC) (Hydroquinone)
≤ 0.2 %
Related substances (TLC) (any other impurity)
≤ 0.5 %
Residual solvents (ICH Q3C)
excluded by manufacturing process
Sulfated ash (600 °C)
≤ 0.01 %
Meets analytical specifications of Ph Eur,NF. The information provided does not imply the suitability of the product for any particular application. It is customer’s sole responsibility, prior to use, to determine that the product is suitable and permitted for the customer’s intended use and application.
Conforms to the purity criteria on food additives according to current European Commission Regulation.
