The Potassium tartrate hemihydrate, with the CAS registry number 6100-19-2 and EINECS registry number 213-067-8, has the systematic name of butanedioic acid, 2,3-dihydroxy-, dipotassium salt, hydrate (2:1). And the molecular formula of the chemical is 2(K₂C₄H₄O₆)^.H₂O. While dealing with this chemical, you should be cautious not to breathe dust and avoid to contact with skin and eyes.

The characteristics of this chemical are as followings: (1)ACD/LogP: -1.43; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -5.86; (4)ACD/LogD (pH 7.4): -6.18; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 6; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 5; (12)Polar Surface Area: 93.06 Å²; (13)Flash Point: 209.4 °C; (14)Enthalpy of Vaporization: 75.13 kJ/mol; (15)Boiling Point: 399.3 °C at 760 mmHg; (16)Vapour Pressure: 4.93E-08 mmHg at 25°C.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: [K+].[K+].[K+].[K+].O=C([O-])C(O)C(O)C([O-])=O.[O-]C(=O)C(O)C(O)C([O-])=O.O
(2)InChI: InChI=1/2C4H6O6.4K.H2O/c2*5-1(3(7)8)2(6)4(9)10;;;;;/h2*1-2,5-6H,(H,7,8)(H,9,10);;;;;1H2/q;;4*+1;/p-4
(3)InChIKey: FRFCDHONTUJIBX-XBHQNQODAQ