Sodium tert-butoxide #CAS865-48-5
Sodium tert-butoxide #CAS865-48-5
Sodium tert-butoxide, also known as sodium tributoxide, is a white crystalline solid with the molecular formula C4H9NaO and a molecular weight of 96.10. It is stable at room temperature and pressure, and has a slight toxicity to water. It is used as an intermediate in organic synthesis and pharmaceuticals, or as a strong base in condensation, rearrangement, and ring-opening reactions in chemical, pharmaceutical, and pesticide industries. Therefore, sodium tert-butoxide is increasingly favored by the fine chemical, pesticide, and pharmaceutical industries.
Application of Sodium tert-butoxide
Sodium tert-butoxide is used as a strong base and a non-nucleophilic base. In organic synthesis, it serves as an intermediate in various reactions like condensation, rearrangement and ring-opening. Further, it finds use in agrochemicals, pharmaceuticals, colorants, aroma chemicals, detergents and biodiesel. It acts as a catalyst in polymerization and isomerization reactions.
| Sodium tert-butoxide Chemical Properties |
| Melting point | 180 °C |
| Boiling point | 180°C/1mmHg |
| density | 1,104 g/cm3 |
| bulk density | 400kg/m3 |
| vapor pressure | 0Pa at 20℃ |
| refractive index | n20/D1.413 |
| Fp | 12°C |
| storage temp. | Store below +30°C. |
| solubility | very slightly in Tetrahydrofuran |
| form | Powder |
| color | white to off-white |
| Specific Gravity | 1.104 |
| Water Solubility | reacts |
| Sensitive | Air Sensitive & Hygroscopic |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 3654215 |
| InChI | 1S/C4H9O.Na/c1-4(2,3)5;/h1-3H3;/q-1;+1 |
| InChIKey | MFRIHAYPQRLWNB-UHFFFAOYSA-N |
| SMILES | [Na+].CC(C)(C)[O-] |
| CAS DataBase Reference | 865-48-5(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Propanol, 2-methyl-, sodium salt (865-48-5) |
| Safety Information |
| Hazard Codes | F,C,Xi |
| Risk Statements | 11-14-34-37-35-36/37/38-40-19 |
| Safety Statements | 26-36/37/39-43-45-7/8-8-16-36 |
| RIDADR | UN 3206 4.2/PG 2 |
| WGK Germany | 3 |
| F | 1-3-10 |
| TSCA | TSCA listed |
| HazardClass | 4.2 |
| PackingGroup | II |
| HS Code | 29051900 |
| Storage Class | 4.2 - Pyrophoric and self-heating hazardous materials |
| Hazard Classifications | Eye Dam. 1 Flam. Sol. 1 Self-heat. 1 Skin Corr. 1B |
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