tert-Butyl-4-metoxifenol (blandning av isomerer) ≥98.5% Ph. Eur., NF, E320, SAFC®
Leverantör: MERCK PRODUCTION CHEMICALS
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Varning
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Synonyms:
tert-Butyl-4-methoxyphenol, BHA, tert-Butyl-4-hydroxyanisole, Butylhydroxyanisole, 2(3)-tert-Butyl-4-methoxyphenol, Butylated hydroxyanisole
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 (*).
Certifikat: Conforms to the purity criteria on food additives according to current European Commission Regulation.
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Formel:
C₁₁H₁₆O₂ MW: 180,25 g/mol Kokpunkt: 264 °C (1013 hPa) Smältpunkt: 48…63 °C Densitet: 1,05 g/cm³ (20 °C) Flampunkt: 156 °C Storage Temperature: Omgivande |
MDL Number:
MFCD01779059 CAS nummer: 25013-16-5 EINECS: 204-442-7 Merck Index: 12,01582 |
Specifikation testresultat
| 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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