Environment 2,6-Di-tert-butyl-p-cresol ≥99.0% (by GC) E321, SAFC®
Supplier: MilliporeSigma
Certificates
About this item
CAS Number:128-37-0
:
Formula:C₁₅H₂₄O
MDL Number:MFCD00011644
: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
UN:3077
ADR:9,III
:GHS09
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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%