Potassium methoxide
- Product NamePotassium methoxide
- CAS865-33-8
- CBNumberCB0501840
- MFCH3KO
- MW70.13
- EINECS212-736-1
- MDL NumberMFCD00012416
- MOL File865-33-8.mol
- MSDS FileSDS
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 | n |
| Flash point | 7°C |
| storage temp. | Store below +30°C. |
| solubility | Soluble in methanol and ethanol. |
| pka | 15.17[at 20 ℃] |
| form | Liquid |
| 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) |
Safety
| Symbol(GHS) |
   
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| Signal word | Danger | |||||||||
| Hazard statements | H225-H301+H311+H331-H314-H370 | |||||||||
| Precautionary statements | P210-P280-P301+P310+P330-P301+P330+P331-P303+P361+P353-P305+P351+P338+P310 | |||||||||
| 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 | TSCA listed | |||||||||
| HazardClass | 4.2 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29051900 | |||||||||
| Storage Class | 4.2 - Pyrophoric and self-heating hazardous materials | |||||||||
| Hazard Classifications | Self-heat. 1 Skin Corr. 1B | |||||||||
| NFPA 704: |
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