Molekula
3,5-Di-tert-butyl-4-hydroxyphenylpropionic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch
3,5-Di-tert-butyl-4-hydroxyphenylpropionic acid is a synthetic antioxidant commonly used in plastics, rubber, and adhesives to prevent oxidative degradation. It stabilizes polymers by inhibiting chain reactions that cause material breakdown under heat or UV exposure. This chemical has a CAS number of 20170-32-5, a molecular formula of C17H26O3, and a molecular weight of 278.3865 g/mol. It is stored at ambient conditions and carries no signal word for hazard classification. Molekula supplies 3,5-Di-tert-butyl-4-hydroxyphenylpropionic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.
Overview
- SKU
- 48174531
- CAS Number
- 20170-32-5
- IUPAC Name
- 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid
- EC Number
- 243-556-1
- Molecular Formula
- C17H26O3
- Molecular Weight
- 278.3865
- Exact Mass
- 278.1882
- SMILES
- CC(C)(C)C1=CC(=CC(=C1O)C(C)(C)C)CCC(=O)O
- InChIKey
- WPMYUUITDBHVQZ-UHFFFAOYSA-N
- InChI
- InChI=1S/C17H26O3/c1-16(2,3)12-9-11(7-8-14(18)19)10-13(15(12)20)17(4,5)6/h9-10,20H,7-8H2,1-6H3,(H,18,19)
- PubChem CID
- 88389
Synonyms
- 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoic acid
- 3-(3',5'-di-tert-butyl-4'-hydroxyphenyl)propionic acid
- 3,5-Bis(1,1-dimethylethyl)-4-hydroxybenzenepropanoic acid
- Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-
- beta-(4-hydroxy-3,5-di-tert-butyl)phenylpropionic acid
- Fenozan
- fenozan-K
- phenozan
- potassium fenozan
- potassium phenosan
Frequently asked questions
What is 3,5-Di-tert-butyl-4-hydroxyphenylpropionic acid (CAS 20170-32-5) used for?
This compound is primarily used as a **polymer stabilizer**, particularly in **polyolefins and PVC**, to prevent degradation from heat, light, and oxidation. It’s also a precursor in the synthesis of **antioxidants** and **UV absorbers** for plastics, adhesives, and coatings.
What is the chemical formula and molecular weight of this product?
The formula is **C₁₇H₂₆O₃**, and the molecular weight is **278.3865 g/mol**.
How should this product be stored?
Store in a **cool, dry place at ambient temperature**, away from direct sunlight and incompatible substances. Ensure containers are tightly sealed to prevent moisture absorption.
What grades or purities are available for this chemical?
Molekula supplies this product in **technical grade (98%+ purity)** and **analytical/pharma grade (99%+ purity)**. Custom specifications may be available upon request.
Can Molekula supply this in bulk quantities?
Yes, we offer **bulk packaging options** (e.g., 25 kg drums, 1-tonne IBCs) for industrial customers. Minimum order quantities and lead times vary by grade and application—please contact our sales team for details.
What documentation is provided with each order?
Every shipment includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** (e.g., purity analysis, heavy metals report). Additional certifications (e.g., REACH, FDA compliance) are available for regulated industries.
Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.