Chemistry informtion about N-Methyl-N-Octyl-1-Octanamine (CAS NO.4455-26-9) is:
IUPAC Name: N-Methyl-N-Octyloctan-1-Amine
Synonyms: Methyl-Di-N-Octylamine ; Di-N-Octylmethylamine ; N,N-Dioctylmethylamine ; N,N-Di-N-Octyl-Aminomethane ; N,N-Di-N-Octylmethylamine ; N-Methyldi-N-Octylamine ; N-Methyldioctylamine ; Di(Octyl)Methylamine
MF: C₁₇H₃₇N
MW: 255.48
EINECS: 224-703-9
Melting Point: 30.1 °C(lit.)
Density: 0.807 g/cm³
Flash Point: 128.8 °C
Boiling Point: 293.9 °C at 760 mmHg
Vapour Pressure: 0.00168 mmHg at 25°C
Enthalpy of Vaporization: 53.35 kJ/mol
Refractive Index: n20/D 1.4424(lit.)
Product Categories: Anilines, Aromatic Amines and Nitro Compounds
Following is the molecular structure of N-Methyl-N-Octyl-1-Octanamine (CAS NO.4455-26-9) is:

A severe skin irritant. When heated to decomposition it emits toxic vapors of NO_x.
Hazard Codes:
Xi
Risk Statements:
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S24/25:Avoid contact with skin and eyes. 
S23:Do not breathe vapour.
WGK Germany: 2
HS Code: 29211980

N-Methyl-N-Octyl-1-Octanamine (CAS NO.4455-26-9) is a clear colourless to yellow liquid.It insoluble in water.
First Aid Measures:
Ingestion: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
Inhalation: Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Skin: Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and Storage:
Storage: Store in a cool, dry place. Keep container closed when not in use.
Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.