Name | Potassium hydride |
Synonyms | KH PotassiuM hydrid Potassium hydride POTASSIUM HYDRIDE potassiumhydride(kh) Potassium hydride (KH) Potassiumhydrideinoilslurrygraypowder |
CAS | 7693-26-7 |
EINECS | 231-704-8 |
InChI | InChI=1/K.H/q+1;-1 |
InChIKey | NTTOTNSKUYCDAV-UHFFFAOYSA-N |
Molecular Formula | HK |
Molar Mass | 40.11 |
Density | 1.54 |
Melting Point | decomposes [CRC10] |
Boling Point | 316 °C |
Flash Point | 113°C |
Water Solubility | decomposed by H2O [CRC10] |
Solubility | Insoluble in benzene, diethyl ether and carbon disulfide. |
Appearance | dispersion (in mineral oil (~35%)) |
Color | Grayish beige |
Storage Condition | Flammables + water-Freezer (-20°C)e area |
Sensitive | Moisture Sensitive |
Physical and Chemical Properties | Potassium hydride is insoluble in carbon disulfide and ether. Thermal decomposition. Chemical Activity is stronger than sodium hydride. Burning in air. Hydrogen gas is released by intense reaction with water. Reaction with ammonia gas at high temperature. It reacts with halogen, acid, and the like. The metal may be free from the metal oxide. |
Risk Codes | R11 - Highly Flammable R14/15 - R34 - Causes burns |
Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) |
UN IDs | UN 1409 4.3/PG 1 |
WGK Germany | 3 |
TSCA | Yes |
HS Code | 28500090 |
Hazard Class | 4.3 |
Packing Group | I |