The Phosphoric acid,magnesium salt (1:1), with the CAS registry number 7757-86-0 and EINECS registry number 231-823-5, has the systematic name and IUPAC name of magnesium hydrogen phosphate. It is a kind of stable chemicalm and belongs to the category of Inorganics. And the molecular formula of the chemical is HMgO₄P.

The characteristics of Phosphoric acid,magnesium salt (1:1) are as followings: (1)ACD/LogP: -2.15; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -5.41; (4)ACD/LogD (pH 7.4): -6.38; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1 ; (7)#H bond acceptors: 4; (8)#H bond donors: 3; (9)#Freely Rotating Bonds: 0; (10)Polar Surface Area: 76.57 Å²; (11)Boiling Point: 158 °C at 760 mmHg; (12)Vapour Pressure: 1.41 mmHg at 25°C. 

Preparation of Phosphoric acid,magnesium salt (1:1): Add Magnesium oxide to phosphate slowly with stirring, and cotrol the PH value is about 5. Then filter and crystallization by cooling, and control the temperature above 36°C, after centrifugal dewatering and drying, you can get the product. The reaction equation is: H₃PO₄+MgO+2H₂O→MgHPO₄^.3H₂O. 

Uses of Phosphoric acid,magnesium salt (1:1): It can be used as nutritional supplements, plastic stabilizer and fertilizer ammonium bicarbonate stabilizer. 
 
Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: [Mg+2].[O-]P([O-])(=O)O
(2)InChI: InChI=1/Mg.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+2;/p-2
(3)InChIKey: MHJAJDCZWVHCPF-NUQVWONBAE