The Magnesium bromide diethyl etherate with cas registry number of 29858-07-9, belongs to the following product categories: (1)Inorganic Salts; (2)Magnesium Salts; (3)MagnesiumMetal and Ceramic Science; (4)Salts; (5)Synthetic Reagents. It has the systematic name of magnesium dibromide - 1,1'-oxydiethane (1:1).

Physical properties about this chemical are: (1)ACD/LogP: 0.98; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1; (4)ACD/LogD (pH 7.4): 1; (5)ACD/BCF (pH 5.5): 3; (6)ACD/BCF (pH 7.4): 3; (7)ACD/KOC (pH 5.5): 81; (8)ACD/KOC (pH 7.4): 81; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 9.23 Å²; (13)Enthalpy of Vaporization: 26.52 kJ/mol; (14)Vapour Pressure: 567 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
The Magnesium bromide diethyl etherate is highly flammable. So keep it away from sources of ignition. When use it, wear suitable protective clothing, gloves and eye/face protection. After contact with skin, wash immediately with plenty of soap-suds. After use it, take off immediately all contaminated clothing.

You can still convert the following datas into molecular structure: 
(1)SMILES: [Mg+2].[Br-].[Br-].O(CC)CC;
(2)InChI: InChI=1/C4H10O.2BrH.Mg/c1-3-5-4-2;;;/h3-4H2,1-2H3;2*1H;/q;;;+2/p-2;
(3)InChIKey: JGZKUKYUQJUUNE-NUQVWONBAL;
(4)Std. InChI: InChI=1S/C4H10O.2BrH.Mg/c1-3-5-4-2;;;/h3-4H2,1-2H3;2*1H;/q;;;+2/p-2;
(5)Std. InChIKey: JGZKUKYUQJUUNE-UHFFFAOYSA-L