Structure:
CAS Number: 7789-23-3 (anhydrous)
Molecular Weight: 58.10 g/mol (anhydrous)
Appearance: White powder
Chemical Formula: KF
Melting Point: 858 C (anhydrous)
1) Wikipedia: Potassium fluoride (link)
2) www.sigmaaldrich.com: Potassium fluoride (link)