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

Leverancier: MERCK PRODUCTION CHEMICALS
Waarschuwing

8.17023.9025EA 5670 EUR
8.17023.9025 8.17023.1000 MERP8.17023.9999
tert-Butyl-4-methoxyphenol (mixture of isomers) ≥98.5% Ph. Eur., NF, E320, SAFC®
tert-Butyl-4-methoxyphenol (mixture of isomers)

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.


Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).


Certificaten: Conforms to the purity criteria on food additives according to current European Commission Regulation.

Formule: C₁₁H₁₆O₂
MW: 180,25 g/mol
Kookpunt: 264 °C (1013 hPa)
Smeltpunt: 48…63 °C
Dichtheid: 1,05 g/cm³ (20 °C)
Vlampunt: 156 °C
Opslagtemperatuur: Kamertemperatuur
MDL-nummer: MFCD01779059
CAS-nummer: 25013-16-5
EINECS: 204-442-7
Merck Index: 12,01582

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Specificaties testresultaten

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 %

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