Molecular structure of 1-Chloroheptane (CAS NO.629-06-1) is:

Product Name: 1-Chloroheptane
CAS Registry Number: 629-06-1
IUPAC Name: 1-Chloroheptane
Molecular Weight: 134.647 [g/mol]
Molecular Formula: C₇H₁₅Cl
XLogP3: 4.2
Melting Point: −69 °C(lit.)
Refractive index: n20/D 1.425(lit.)
Storage temp.: Flammables area
Water Solubility: Insoluble
Surface Tension: 25.4 dyne/cm
Density: 0.866 g/cm³
Flash Point: 41.7 °C
Enthalpy of Vaporization: 37.92 kJ/mol
Boiling Point: 158.8 °C at 760 mmHg
Vapour Pressure: 3.35 mmHg at 25°C
EINECS: 211-070-9
Product Categories: Industrial/Fine Chemicals;Alkyl Chlorides;Monofunctional & alpha,omega-Bifunctional Alkanes;Monofunctional Alkanes

Safty information about 1-Chloroheptane (CAS NO.629-06-1) is:
Hazard Codes: Xi; N
Risk Statements: 10-36/37/38-52/53 
R10:Flammable. 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 26-36-61 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 1993 3/PG 3
WGK Germany: 3
HazardClass: 3
PackingGroup: III

 1-Chloroheptane , its cas register number is 629-06-1. It also can be called Heptane, 1-chloro- ; normal-Heptyl chloride .It is a colorless liquid and it insoluble in water. It is highly flammable. Its vapors may form explosive mixtures with air.