IUPAC Name: Gold(1+) ; Triethylphosphane ; Chloride 
Following is the structure of Chloro(triethylphosphine)gold (CAS NO.15529-90-5):
                      
Empirical Formula: C₆H₁₅AuClP
Molecular Weight: 350.5766 g/mol
EINECS: 239-572-3
Flash Point: 27.2 °C
Melting point: 84-86 °C(lit.)
Enthalpy of Vaporization: 34.93 kJ/mol
Boiling Point: 126.5 °C at 760 mmHg
Vapour Pressure: 14.1 mmHg at 25 °C
Water Solubility of Chloro(triethylphosphine)gold (CAS NO.15529-90-5): 1410 mg/L at 25 °C
Canonical SMILES: CCP(CC)CC.[Cl-].[Au+]
InChI: InChI=1S/C6H15P.Au.ClH/c1-4-7(5-2)6-3;;/h4-6H2,1-3H3;;1H/q;+1;/p-1
InChIKey: SYBBXLKWGHAVHP-UHFFFAOYSA-M

Poison by ingestion. Experimental teratogenic and reproductive effects. Human mutation data reported. When heated to decomposition, Chloro(triethylphosphine)gold (CAS NO.15529-90-5) emits very toxic fumes of Cl⁻ and PO_x. See also PHOSPHINE and GOLD.
Hazard Codes: T
Risk Statements 23/24/25-36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.
Safety Statements 26-28-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S28:After contact with skin, wash immediately with plenty of soap-suds. 
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 2811 6.1/PG 3
WGK Germany: 3
RTECS: MD5431000
HazardClass: 6.1(b)
PackingGroup: III

 Chloro(triethylphosphine)gold , its cas register number is 15529-90-5. It also can be called Triethylphosphineaurous chloride ; and Triethyl phosphine gold . Its classification code are Mutation data and Reproductive Effect.