Potassium dicyanoaurate(I) ,its CAS register number is 554-07-4,it's also named as Gold potassium cyanide ; Potassium dicyanoaurate(I), 99+% ; Gold(I)potassiumcyanide,Premion,99.99%(metalsbasis),Au67.8%min ; Gold(i) potassium cyanide, premion ; Potassium aurocyanide ; Potassium cyanoaurate ; Aurate(1-), dicyano-, potassium ; NSC 310803 ,and so on. Potassium dicyanoaurate(I) (CAS No.554-07-4) is usually white crystal.

IUPAC Name: Potassium gold(1+) dicyanide
CAS: 554-07-4
Molecular Formula: C₂AuKN₂
Molecular Weight: 288.1
Molecular structure:
EINECS: 237-748-4
Enthalpy of Vaporization: 27.18 kJ/mol 
Boiling Point: 25.7 °C at 760 mmHg 
Vapour Pressure: 740 mmHg at 25°C 
ACD/LogD (pH 5.5): -0.25 
ACD/LogD (pH 7.4): -0.25 
ACD/BCF (pH 5.5): 1 
ACD/BCF (pH 7.4): 1 
ACD/KOC (pH 5.5): 17.42 
ACD/KOC (pH 7.4): 17.42 
H bond acceptors: 1 
H bond donors: 0 
Freely Rotating Bonds: 0 

 Potassium dicyanoaurate(I) is commonly used as chemical reagent.

Hazard Codes:  T
Risk Statements:  23/24/25-36/37/38 (R23/24/25:Toxic by inhalation, in contact with skin and if swallowed. R36/37/38:Irritating to eyes, respiratory system and skin.)
Safety Statements:  22-26-36/37/39-45 (S22:Do not breathe dust. S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 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.))
RIDADR:  UN 1588 6.1/PG 1
WGK Germany:  3