- 2,6-Di-tert-butylphenol
- 2,4-Dimethyl-6-tert-butylphenol
- 2,4-Di-tert-butylphenol
- 2,4,6-Tri-tert-butylphenol
- Butylated hydroxytoluene
- 2-tert-Butylphenol
- 3,5-Di-tert-butylsalicylaldehyde
- List of gasoline additives
- UV-328
- 1,3,5-Tris(4-(tert-butyl)-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-triazinane-2,4,6-trione
- 2,6-Di-tert-butylphenol - Wikipedia
- 2,6-Di-tert-butylphenol | C14H22O | CID 31405 - PubChem
- Substance Information - ECHA
- 2,6-Di-tert-butylphenol | 128-39-2 - ChemicalBook
- 2,6-Di- tert -butylphenol - MilliporeSigma
- 2,6-DI-TERT-BUTYLPHENOL | CAMEO Chemicals | NOAA
- 2,6-Di-tert-butylphenol 99 128-39-2 - MilliporeSigma
- 2,6-di-tert-butylphenol - an overview | ScienceDirect Topics
- 2,6-Di-tert-butylphenol and its quinone metabolite trigger
- 2,6-Di-tert-butylphenol - SIELC Technologies
2,6-Di-tert-butylphenol GudangMovies21 Rebahinxxi LK21
2,6-Di-tert-butylphenol is an organic compound with the structural formula 2,6-((CH3)3C)2C6H3OH. This colorless solid alkylated phenol and its derivatives are used industrially as UV stabilizers and antioxidants for hydrocarbon-based products ranging from petrochemicals to plastics. Illustrative of its usefulness, it prevents gumming in aviation fuels.
Production
2,6-Di-tert-butylphenol is prepared industrially via the Friedel–Crafts alkylation of phenol with isobutene catalyzed by aluminium phenoxide:
C6H5OH + 2 CH2=C(CH3)2 → ((CH3)3C)2C6H3OH
In this way, approximately 2.5M kg/y are produced. Alkylation of phenol usually favours the para-position, and a strong lewis acid such as the Al3+ ion is necessary to give selective ortho‑alkylation. If a conventional brønsted acid is used then 2,4-di-tert-butylphenol will be produced instead.
Applications
Its dominant use is as an antioxidant.
2,6-di-tert-butylphenol is a precursor to more complex compounds used as antioxidants and light-protection agents for the stabilization for polymers. Of particular note is methyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)-propionate (CAS# 6386-38-5), which is formed by the Michael addition of methyl acrylate. This compound is used as a feedstock in the synthesis of more complex antioxidants such as Irganox 1098. 2,6-Di-tert-butylphenol is also used in the synthesis of CGP-7930, probucol, and nicanartine.
Safety and regulation
The LD50 is 9200 mg/kg, indicating a low toxicity.
2,6-Di-tert-butylphenol is covered by the U.S. Department of Transportation Code of Federal Regulations 49 CFR 172.101, Appendix B (20 Dec 2004). This substance is designated by the U.S. Department of Transportation (DOT) as a marine pollutant.
See also
Butylated hydroxytoluene
2,4-di-tert-butylphenol
2,4-Dimethyl-6-tert-butylphenol
Para tertiary butyl phenol
References
Kata Kunci Pencarian:
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2,6-di-tert-butylphenol purchase | Sigma-Aldrich
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2,6-Di-tert-butylphenol - Buy 26-Di-tert-butylphenol Product on Nanjing ...
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2,6-Di-tert-butyl-4-ethylphenol | CAS No- 4130-42-1 | Simson Pharma Limited
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2,5-Di-Tert-Butylphenol - AquigenBio
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2,6-Di-tert-butylphenol | CAS No- 128-39-2 | Simson Pharma Limited
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2,6-Di-tert-butylphenol
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2,6-Di-tert-butylphenol
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2,6-Di-tert-butylphenol
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2,6-Di-tert-butylphenol | SIELC Technologies
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2,4-Dimethyl-6-tert-butylphenol | CAS 1879-09-0 | P212121 Store
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2,4-Di-Tert-Butylphenol | CAS No- 96-76-4
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2,6-di-tert-butylphenol cas 128-39-2 - Haihang Industry
2 6 di tert butylphenol
Daftar Isi
2,6-Di-tert-butylphenol - Wikipedia
2,6-Di-tert-butylphenol is an organic compound with the structural formula 2,6-((CH 3) 3 C) 2 C 6 H 3 OH. This colorless solid alkylated phenol and its derivatives are used industrially as UV stabilizers and antioxidants for hydrocarbon-based products ranging from petrochemicals to …
2,6-Di-tert-butylphenol | C14H22O | CID 31405 - PubChem
2,6-di-tert-butylphenol is a member of the class of phenols carrying two tert-butyl substituents at positions 2 and 6. It has a role as an antioxidant. It is a member of phenols and an alkylbenzene.
Substance Information - ECHA
The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas.
2,6-Di-tert-butylphenol | 128-39-2 - ChemicalBook
Jan 27, 2025 · 2,6-Di-tert-butylphenol (CAS 128-39-2) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, available at Chemicalbook.
2,6-Di- tert -butylphenol - MilliporeSigma
2,6-Di-tert-butylphenol, certified reference material, TraceCERT ®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
2,6-DI-TERT-BUTYLPHENOL | CAMEO Chemicals | NOAA
Phenols, such as 2,6-DI-TERT-BUTYLPHENOL, do not behave as organic alcohols, as one might guess from the presence of a hydroxyl (-OH) group in their structure. Instead, they react as weak organic acids.
2,6-Di-tert-butylphenol 99 128-39-2 - MilliporeSigma
2,6 di-tert-butylphenol, a nonanesthetic propofol analog, modulates alpha1beta glycine receptor function in a manner distinct from propofol. The anesthetic propofol (2,6 diisopropylphenol) mediates some of its effects by activating inhibitory chloride currents in …
2,6-di-tert-butylphenol - an overview | ScienceDirect Topics
'2,6-di-tert-butylphenol' is a compound that reacts with [Pd(PPh3)4]2 to form a phosphaquinone and with [M(PPh3)4] (M = Ni, Pt) to produce a biquinone in chemical reactions. AI generated definition based on: Journal of Organometallic Chemistry, 2017
2,6-Di-tert-butylphenol and its quinone metabolite trigger
Jul 15, 2021 · 2,6-Di-tert-butylphenol (2,6-DTBP) is used as an antioxidant with wide commercial applications and its residues have been detected in various environmental matrices. 2,6-DTBP may enter human body via ingestion, inhalation or other exposure pathways.
2,6-Di-tert-butylphenol - SIELC Technologies
Feb 16, 2018 · Smaller 3 µm particles columns available for fast UPLC applications. This liquid chromatography method is scalable and can be used for isolation impurities in preparative separation. It also suitable for pharmacokinetics. The Newcrom columns are a family of reverse-phase-based columns.