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Potassium Bromide - KBr
Classification: Bromide
Atomic numbers: 19 & 35
Atomic weight: 119
Melting point (C): 730
Boiling point (C): 1380 (1435)
Density (g/cm3): 2.75
Refractive index (n=): 1.559
Coefficient of linear thermal expansion (10exp(6) cm/cm/C): 41
Wavelength limits (microns): 0.2-32
Hardness (Mosh-scratch): 1-1.5
Crystal structure: Isometric-normal: (100) cube
Color (solid): Colorless
Cleavage: Cubic: (001)