tert-Butyl-4-methoxyphenol (mixture of isomers) ≥98.5% Ph. Eur., NF, E320, SAFC® | tert-Butyl-4-methoxyphenol (mixture of isomers)

Assay (HPLC, butylated hydroxyanisole):
≥ 98.5 %
Assay (HPLC, 2-tert-butyl-4-methoxyphenol):
≥ 90.0 %
Assay (HPLC, 3-tert-butyl-4-methoxyphenol):
≤ 10.0 %
Identity (TLC):
passes test
Identity (coloring 1):
passes test
Identity (coloring 2):
passes test
Identity (HPLC):
passes test
Identity (IR-spectrum):
passes test
Appearance:
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 coloracc. 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
Heavy metals (as Pb):
≤ 10 ppm
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 %

Määrittelytestin tulokset

:180.25 g/mol

Merck-indeksi:12,01582

Kiehumispiste:264 °C (1013 hPa)

Sulamispiste:48…63 °C

Tiheys:1.05 g/cm³ (20 °C)

Leimahduspiste:156 °C

Varastointilämpötila:Ambient

EINECS:204-442-7

:GHS07

CAS-numero:25013-16-5

Kaava:C₁₁H₁₆O₂

MDL-numero:MFCD01779059