2,6-Di-tert-butyl-p-cresol ≥99.0% (by GC) E321, SAFC®

Supplier: MilliporeSigma

Certificates

Supplier: MilliporeSigma

Certificates

About this item

Synonyms: Butylated hydroxytoluene,Butylhydroxytoluene,2,6-Di-tert-butyl-4-methylphenol

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

ADR:9,III

:Length:

:Width:

:Height:

:Ø

:Thickness:

:99,0

:Boiling Pt:

:Boiling Pt: 265 °C (1013 hPa)

:Melting Pt:

:Melting Pt: 69…70 °C

:Flash Pt:

:Flash Pt: 127 °C

:M.W. 220.35 g/mol

:265 °C (1013 hPa)

UN:3077

:III

:127 °C

: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%
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.: