Empirical Formula: C₄H₁₀N₂O
Molecular Weight: 102.135 g/mol
EINECS: 200-226-1 
Index of Refraction: 1.442
Density: 0.95 g/cm³
Flash Point: 59 °C
Enthalpy of Vaporization: 39.34 kJ/mol
Boiling Point: 173.9 °C at 760 mmHg
Vapour Pressure: 1.66 mmHg at 25 °C 
Storage tempreture: 2-8 °C
Appearance: Clear slightly yellow liquid
Form: Liquid
Color: Yellow
Stable: Stable, but light sensitive. Combustible. Incompatible with strong oxidizing agents, reducing agents.
Structure of N-Nitrosodiethylamine (CAS NO.55-18-5):
          
IUPAC Name: N,N-Diethylnitrous amide
Product Categories of N-Nitrosodiethylamine (CAS NO.55-18-5): Nitrosamine
 

NTP 10th Report on Carcinogens. IARC Cancer Review: Group 2A IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 ,1987,p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 1 ,1972,p. 107.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) , IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 17 ,1978,p. 83.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) , IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 28 ,1982,p. 151.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Limited Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 17 ,1978,p. 83.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . NCI Carcinogenesis Studies (ipr); Clear Evidence: mouse, rat RRCRBU    Recent Results in Cancer Research. 52 (1975),1. . Reported in EPA TSCA Inventory. Community Right-To-Know List.

Confirmed carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. Poison by ingestion, intravenous, intraperitoneal, and subcutaneous routes. An experimental teratogen. Other experimental reproductive effects. Human mutation data reported. A transplacental carcinogen. When heated to decomposition it emits toxic fumes of NO_x. See also N-NITROSO COMPOUNDS and AMINES.
Hazard Codes of N-Nitrosodiethylamine (CAS NO.55-18-5): T,F
Risk Statements: 45-22-39/23/24/25-23/24/25-11 
R11:Highly flammable. 
R22:Harmful if swallowed. 
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed. 
R39:Danger of very serious irreversible effects. 
R45:May cause cancer.
Safety Statements: 53-45-36/37-16 
S16:Keep away from sources of ignition. 
S36/37:Wear suitable protective clothing and gloves. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S53:Avoid exposure - obtain special instructions before use.

DFG MAK: Animal Carcinogen, Suspected Human Carcinogen

For occupational chemical analysis use OSHA: #27 or NIOSH: Nitrosamines, 2522.

 N-Nitrosodiethylamine ,its cas register number is 55-18-5. It also can be called Nitrosodiethylamine ; N-ethyl-N-nitrosoethanamine ; Ethanamine, N-ethyl-N-nitroso- ;and Diethylnitrosamine . N-Nitrosodiethylamine (CAS NO.55-18-5) reacts with strong oxidizing agents, and can be hydrolyzed by hydrogen bromide in acetic acid .