The Molecular Structure of 1,2,3-Propanetricarboxylicacid, 2-hydroxy-, potassium salt, hydrate (1:3:1) (CAS NO.6100-05-6):

Empirical Formula: C₆H₇K₃O₈ 
Product Categories: Biological Buffers;Biological BuffersBiological Buffers;Buffers A to Z;Cell Culture;Reagents and Supplements
Appearance: White/clear crystalline powder
Molecular Weight: 324.4099
Nominal Mass: 324 Da
Average Mass: 324.4099 Da
Monoisotopic Mass: 323.905213 Da 
Flash Point: 155.2 °C
Enthalpy of Vaporization: 63.82 kJ/mol
Boiling Point: 309.6 °C at 760 mmHg 
Storage temp: Store at RT
Solubility H₂O: 1 M at 20 °C, clear, colorless
Merck: 14,7623
Stability: Stable. Incompatible with strong oxidizing agents
Vapour Pressure: 5.73E-05 mmHg at 25°C 
InChI
InChI=1/C6H8O7.3K/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;/q;3*+1/p-3
Smiles
C(CC(=O)[O-])(CC(=O)[O-])(O)C(=O)[O-].[K+].[K+].[K+] 

Hazard Codes:FTCXi
Risk Statements: 22-35 
R22: Harmful if swallowed
R35: Causes severe burns
Safety Statements: 26-36/37/39-45 
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.)
WGK Germany: 1
F 3: Hygroscopic

 1,2,3-Propanetricarboxylicacid, 2-hydroxy-, potassium salt, hydrate (1:3:1) (CAS NO.6100-05-6) is also called as MeSH Heading ; Potassium citrate ; Potassium Citrate [USAN] ;  Twin-K ; 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, tripotassium salt, monohydrate ; CCRIS 6543 ; Citric acid, tripotassium salt, monohydrate ; Potassium citrate monohydrate ; Tripotassium 2-hydroxy-1,2,3-propanetricarboxylate monohydrate ; Tripotassium citrate monohydrate ; UNII-EE90ONI6FF .