3,5-Bis(1,1-dimethylethyl)-4-hydroxybenzenepropanoic acid
CAS: 20170-32-5
Category: Organic Intermediates
| Purity | Industrial ≥98.0%; Reagent ≥98%–99%; High-Purity ≥99.5%–99.7% |
| Molecular Formula | C17H26O3 |
| Molecular Weight | 278.39 |
| Appearance | White to off-white crystalline solid or powder |
| Packaging | 5 g, 25 g, 100 g, 500 g/bottle for lab use; 25 kg/fiber or plastic drum for industrial use |
| Testing Indicators | Appearance — Visual inspection; Identification — Melting point (172–175 °C), IR, ¹H NMR; Purity — HPLC (C18 column, 270 nm) or GC; Moisture — Karl Fischer titration; Acid value — Acid-base titration; Heavy metals — ICP-MS/AAS. |
| Storage Notes | Store in a cool, dry, well-ventilated area away from light and strong oxidizing agents. Keep container tightly sealed. High-purity grades may require refrigeration (2–8 °C). |
| Lead Time | 10 days |
Key intermediate for synthesizing hindered phenolic antioxidants (e.g., Antioxidant 1010 and 1076). Used in food contact materials and as a research reagent.