Diphenhydramine HCl
- CAS NO. : 147-24-0
- CAT NO. : PH-API-7240
Physical State: Crystalline powder or adhering crystals
Color/Appearance: White
Melting Point: 168 - 172 °C
Boiling Point: 163 - 167 °C at 3 Torr (lit.)
Density: 1.0489 (rough estimate)
Refractive Index: 1.5800 (estimate)
Flash Point: 9 °C
pH: 4.0 - 5.5 (100 g/L at 25 °C)
Solubility: Very soluble in water (1000 g/L); freely soluble in alcohol
Storage Conditions: Store sealed in a dry place at 2-8 °C Refrigerator
Molecular Formula: C₁₇H₂₂ClNO
Molecular Weight: 291.82 g/mol
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