3-tert-Butyl-4-hydroxyanisole
3-tert-Butyl-4-hydroxyanisole (CAS: 121-00-6, Formula: C11H16O2) is an organic compound with a molecular weight of 180.24 g/mol. It is a substituted phenol known for its antioxidant properties. This chemical serves as a valuable building block in organic synthesis and finds applications in various chemical processes where oxidation inhibition is required. TSS supplies this compound with a purity of ≥95.0% 3-BHA basis (GC).
- IUPAC
- 2-tert-Butyl-4-methoxyphenol,3-BHA,BHA
- Synonyms
- 2-tert-Butyl-4-methoxyphenol3-BHABHA

Antioxidant in Chemical Synthesis
3-tert-Butyl-4-hydroxyanisole acts as an effective antioxidant, protecting organic materials and chemical intermediates from degradation caused by oxidation during synthesis or storage.
Organic Building Block
This compound serves as a versatile building block in organic chemistry, enabling the construction of more complex molecules through various synthetic transformations.
Research and Development
Utilised in R&D settings for exploring new synthetic routes and investigating the properties of phenolic compounds and their derivatives.
| Molecular weight | 180.24 |
|---|---|
| Empirical formula | C11H16O2 |
| Assay | ≤5.0% 2-BHA basis (GC)≥95.0% 3-BHA basis (GC)≥98.0% (sum of isomers, GC) |
| Solubility | ethanol: soluble1 g/10 mL, clear, colorless to faint yellow or tan |
| Impurities tested | ≤1% 4-hydroxyanisole |
| Melting point | 48-63 °C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 2 |
| Ignition residue | ≤0.05% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3-tert-Butyl-4-hydroxyanisole used for?
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3-tert-Butyl-4-hydroxyanisole is primarily used as an antioxidant in chemical synthesis and as a building block in organic chemistry.
What are the CAS number and formula for 3-tert-Butyl-4-hydroxyanisole?
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The CAS number is 121-00-6, and the empirical formula is C11H16O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-tert-Butyl-4-hydroxyanisole with a minimum purity of ≥95.0% 3-BHA basis (GC), and ≥98.0% for the sum of isomers (GC). This product is not represented as USP, BP, or EP grade.
How should 3-tert-Butyl-4-hydroxyanisole be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The compound has a flash point of 110 °C (230 °F) and should be stored away from ignition sources. It is classified under WGK Germany 2.
Is 3-tert-Butyl-4-hydroxyanisole a controlled substance?
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The provided data does not indicate that 3-tert-Butyl-4-hydroxyanisole (CAS: 121-00-6) is a controlled substance.
How is 3-tert-Butyl-4-hydroxyanisole packed and shipped?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures appropriate packaging and shipping for 3-tert-Butyl-4-hydroxyanisole in compliance with international regulations.
How can I request a quote or sample for 3-tert-Butyl-4-hydroxyanisole?
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Please contact our sales department via the website or direct inquiry to request a quote or sample of 3-tert-Butyl-4-hydroxyanisole.
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