Molecular structure of Calcium chloride, hexahydrate (CAS NO.7774-34-7) is:

Product Name: Calcium chloride, hexahydrate
CAS Registry Number: 7774-34-7
IUPAC Name: Calcium dichloride hexahydrate
Molecular Weight: 219.07568 [g/mol]  
Molecular Formula: CaCl₂H₁₂O₆  
H-Bond Donor: 6  
H-Bond Acceptor: 8
EINECS: 233-140-8
Melting Point: 30 °C
Enthalpy of Vaporization: 40.65 kJ/mol
Boiling Point: 100 °C at 760 mmHg
Vapour Pressure: 24.5 mmHg at 25°C
Storage temp.:  <15°C
Solubility:  H₂O: 1 M at 20 °C, clear, colorless
Water Solubility:  5360 g/L (20 °C)
Sensitive:  Hygroscopic
Stability: Stable. Incompatible with water, zinc, strong acids, methyl vinyl ether, bromine trifluoride, boron oxides.
Product Categories: Optimization Reagents; Protein Structural Analysis; X-Ray Crystallography; Inorganic Salts; Synthetic Reagents; Calcium Salts; CalciumMetal and Ceramic Science; Salts

 Calcium chloride, hexahydrate (CAS NO.7774-34-7) is used as a bbrine for refrigeration plants, ice and dust control on roads, and in concrete.

Safty information about Calcium chloride, hexahydrate (CAS NO.7774-34-7) is:
Hazard Codes: Xi
Risk Statements: 36 
R36:Irritating to eyes.
Safety Statements: 26-24-22 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S24:Avoid contact with skin. 
S22:Do not breathe dust.
WGK Germany: 1
RTECS: EV9830000

 Calcium chloride, hexahydrate , its cas register number is 7774-34-7. It also can be called Calcium dichloride hexahydrate .It is a white hexagonal crystals, hygroscopic.