Potassium hydride
ALDRICH/708860 - in paraffin
Synonym: Potassium monohydride
CAS Number: 7693-26-7
Empirical Formula (Hill Notation): HK
Molecular Weight: 40.11
EC Number: 231-704-8
MDL Number: MFCD00011357
Linear Formula: KH
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 708860-25G
This image depicts SKU: 708860-25G
| form | solid |
| InChI | 1S/K.H |
| InChI key | NTTOTNSKUYCDAV-UHFFFAOYSA |
| reaction suitability | reagent type: reductant |
| SMILES string | [K] |
| Application: | Potassium hydride in paraffin can be used as a base in: • Wittig reaction of various aldehydes with high Z selectivity. • Williamson ether synthesis to prepare substituted ethers from alcohols. • Polymerization of ethylene oxide to yield polyethylene glycols. |
| General description: | Potassium hydride is a strong base and hydride donor to Lewis acids. It is generally employed in organic reactions like deprotonation, rearrangement, and elimination reactions. It is also used as a reducing agent to reduce hindered boranes and borates to substituted borohydrides. |
| Packaging: | 5, 25 g in poly bottle |
| Physical properties: | Melting point of paraffin used to prepare mixture is ~55-65 °C |
| Symbol |   GHS02,GHS05 |
| Signal word | Danger |
| Hazard statements | H260 - H314 |
| Precautionary statements | P223 - P231 + P232 - P280 - P305 + P351 + P338 - P370 + P378 - P422 |
| Hazard Codes | F,C |
| Risk Statements | 11-14/15-34 |
| Safety Statements | 16-26-27-36/37/39-45 |
| RIDADR | UN 1409 4.3 / PGI |
| WGK Germany | WGK 3 |
| Flash Point(F) | No data available |
| Flash Point(C) | No data available |
| Supplemental Hazard Statements | EUH014 |
| UNSPSC | 12352302 |