2,6-Di-tert-butyl-p-cresol ≥99.0% (by GC) E321, SAFC®
Supplier: MilliporeSigma
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Warning
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Synonyms:
Butylated hydroxytoluene, Butylhydroxytoluene, 2,6-Di-tert-butyl-4-methylphenol, BHT
8.17074.9025
8.17074.5000
EM8.17074.9025EA
7445.09
USD
EM8.17074.9025
EM8.17074.5000
2,6-Di-tert-butyl-p-cresol ≥99.0% (by GC) E321, SAFC®
2,6-Di-tert-butyl-p-cresol
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Formula:
C₁₅H₂₄O MW: 220.35 g/mol Boiling Pt: 265 °C (1013 hPa) Melting Pt: 69…70 °C Density: 1.05 g/cm³ (20 °C) Flash Pt: 127 °C |
MDL Number:
MFCD00011644 CAS Number: 128-37-0 UN: 3077 ADR: 9,III |
Specification Test Results
| Assay (GC) | ≥99.0% |
| Assay (HPLC) | 99.0 - 101.5% |
| Identity (Identification 1 (JPE)) | Passes Test |
| Identity (IR-spectrum) | Passes Test |
| Identity (Identification 2 (JPE)) | Passes Test |
| Identity (HPLC) | Passes Test |
| Appearance | White to Yellowish Crystalline Powder |
| Appearance of solution (100 g/l, Methanol (Ph. Eur.)) | Clear and not more intense in color than reference solutionY₅ or BY₅ |
| Appearance of solution (100 g/l, Ethanol (95 %) (JPE)) | Clear and Colorless |
| Solidification Temperature | 69.2 - 70.0 °C |
| Melting Point | 69.5 - 72.0 °C |
| Absorption Maximum λmax. (Ethanol abs.) | 277 - 279 nm |
| Spec. Absorptivity A 1%/1cm (λmax; 0.02 g/l; Ethanol abs.) | 81 - 88 |
| Spec. Absorptivity A 1%/1cm (λ₂₇₈ nm; 0.05 g/l; Ethanol (95 %)) | 82 - 88 |
| Heavy Metals (as Pb) | ≤10 ppm |
| Sulfate (SO₄) | ≤150 ppm |
| As (Arsenic) | ≤3 ppm |
| Hg (Mercury) | ≤1 ppm |
| Pb (Lead) | ≤2 ppm |
| tert-Butanol (GC) | ≤1000 ppm |
| Diisobutylene (GC) | ≤100 ppm |
| p-Cresol | ≤0.1% |
| 2-Propanol (GC) | ≤2000 ppm |
| Related Substances (TLC) | ≤0.5% |
| Related Substances (HPLC) (p-Cresol oder m-cresol) | ≤0.1% |
| Related Substances (HPLC) (3-tert-Butyl-4-hydroxyanisole) | ≤0.1% |
| Related Substances (HPLC) (3,5-Di-tert-butyl-4-hydroxybenzoic acid) | ≤0.1% |
| Related Substances (HPLC) (2-tert-Butyl-4-methylphenol or 2-tert-butyl-5-methylphenol) | ≤0.1% |
| Related Substances (HPLC) (3,5-Di-tert-butyl-4-hydroxy benzaldehyde) | ≤0.1% |
| Related Substances (HPLC) (4,6-Di-tert-butyl-m-cresol) | ≤0.1% |
| Related Substances (HPLC) (2,6-Di-tert-butyl-phenol) | ≤0.1% |
| Related Substances (HPLC) (Any Unspecified Impurity) | ≤0.1% |
| Related Substances (HPLC) (Sum of All Impurities) | ≤0.7% |
| Other Residual Solvents (ICH Q3C) | Excluded by the Production Process |
| Sulfated Ash (600 °C) | ≤0.002% |
| Water (According to Karl Fischer) | ≤0.2% |
| 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 (*). | |
| Meets analytical specifications of Ph Eur, NF, JPE. | |
| Conforms to the purity criteria on food additives according to the current European Commission Regulation. |
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