Description
Potassium methoxide Chemical Properties
| Melting point | -20°C |
| Boiling point | 84°C |
| density | 0.95 g/mL at 20 °C |
| vapor pressure | 0Pa at 25℃ |
| refractive index | n20/D 1.37 |
| Fp | 7°C |
| storage temp. | Store below +30°C. |
| solubility | Soluble in methanol and ethanol. |
| form | Liquid |
| pka | 15.17[at 20 ℃] |
| Specific Gravity | 0.95 |
| color | Clear colorless |
| PH | 12.8 (7g/l, H2O, 20℃) |
| Water Solubility | may decompose |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 3551544 |
| Exposure limits | ACGIH: TWA 200 ppm; STEL 250 ppm (Skin) OSHA: TWA 200 ppm(260 mg/m3) NIOSH: IDLH 6000 ppm; TWA 200 ppm(260 mg/m3); STEL 250 ppm(325 mg/m3) |
| Stability: | Stable. Reacts violently with water. Moisture sensitive. Absorbs carbon dioxide from the air. Incompatible with acids, strong oxidizing agents, acid chlorides, acid anhydrides, alkali metals. |
| CAS DataBase Reference | 865-33-8(CAS DataBase Reference) |
| EPA Substance Registry System | Methanol, potassium salt (865-33-8) |
Safety Information
| Hazard Codes | F,T,C |
| Risk Statements | 11-14-34-67-65-63-48/20-39/23/24/25-38-23/24/25 |
| Safety Statements | 8-16-26-43-45-62-46-36/37/39-33-29-25 |
| RIDADR | UN 3274 3/PG 2 |
| WGK Germany | 1 |
| F | 3-10-23 |
| Autoignition Temperature | 30 – 50 °C |
| TSCA | Yes |
| HazardClass | 4.2 |
| PackingGroup | II |
| HS Code | 29051900 |
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