tert-Butyl-4-methoxyphenol (mixture of isomers) ≥98.5% Ph. Eur., NF, E320, SAFC®
Catalog # 8.17023.9025
Supplier: MERCK PRODUCTION CHEMICALS
CAS Number:
Specifications
- Pk:25 kg
- Seq:4283
Specifications
Specification Test Results
- 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 %
Specification Test Results
About this item
:
:180.25 g/mol
Merck Index:12,01582
Boiling Pt:264 °C (1013 hPa)
Melting Pt:48…63 °C
Density:1.05 g/cm³ (20 °C)
Flash Pt:156 °C
Storage Temperature:Ambient
EINECS:204-442-7
:GHS07
CAS Number:25013-16-5
Formula:C₁₁H₁₆O₂
MDL Number:MFCD01779059