PRODUCT Properties
| Melting point: | 131-132 °C |
| Boiling point: | bp5 201°; bp0.06 168-172° |
| Density | 1.0141 (rough estimate) |
| refractive index | nD25 1.5760-1.5765 |
| pka | pKa 4.02(H2O
t=25
c=0.002 to 0.01) (Uncertain);8.92 (Uncertain) |
| Water Solubility | 3.425g/L(37.5 ºC) |
| EPA Substance Registry System | Mepyramine (91-84-9) |
Description and Uses
Antihistaminic.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302 |
| Precautionary statements | P280-P305+P351+P338 |
| Hazardous Substances Data | 91-84-9(Hazardous Substances Data) |
| Toxicity | LD50 orally in mice: 312 mg/kg (Schlichtergroll) |
