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Basic Information
CAS No.: 64091-91-4
Name: 4-(N-NITROSOMETHYLAMINO)-1-(3-PYRIDYL)-1-BUTANONE
Molecular Structure:
Molecular Structure of 64091-91-4 (4-(N-NITROSOMETHYLAMINO)-1-(3-PYRIDYL)-1-BUTANONE)
Formula: C10H13 N3 O2
Molecular Weight: 207.232
Synonyms: 4-(Methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone;4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone;4-(Methylnitrosoamino)-1-(3-pyridinyl)-1-butanone;4-(Methylnitrosoamino)-1-(3-pyridyl)-1-butanone;4-(N-Methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone;4-(N-Nitrosomethylamino)-1-(3-pyridyl)-1-butanone;NNK;NNK (carcinogen);
Density: 1.15 g/cm3
Melting Point: 63-65°C
Boiling Point: 423.9 °C at 760 mmHg
Flash Point: 210.2 °C
Hazard Symbols: R26/27/28:Very toxic by inhalation, in contact with skin and if swallowed.; R45:May cause cancer.;
Risk Codes: 26/27/28-45
Safety: Confirmed carcinogen with experimental carcinogenic and neoplastigenic data. An experimental teratogen. Mutation data reported. A flammable liquid. When heated to decomposition it emits toxic fumes of NOx. See also N-NITROSO COMPOUNDS.
PSA: 62.63000
LogP: 1.65770
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Chemistry

Product Name: 4-(N-methyl-n-nitrosamino)-1-(3-pyridyl)-1-butanone (CAS NO.64091-91-4)


Molecular Formula: C10H13N3O2
Molecular Weight: 207.23g/mol
Mol File: 64091-91-4.mol
Appearance: Off-White Crystals
Melting Point: 63-65°C
Boiling point: 423.9 °C at 760 mmHg
Flash Point: 210.2 °C
Density: 1.15 g/cm3
Stability: Stable. Incompatible with strong oxidizing agents
Surface Tension: 44.8 dyne/cm
Enthalpy of Vaporization: 67.83 kJ/mol
Vapour Pressure: 2.15E-07 mmHg at 25°C
XLogP3-AA: 0.8
H-Bond Donor: 0
H-Bond Acceptor: 5
Product Categories: Nicotine Derivatives; Aromatics

Uses

 4-(N-methyl-n-nitrosamino)-1-(3-pyridyl)-1-butanone (CAS NO.64091-91-4) was present in the highest concentrations in smokeless tobacco out of the nitrosamines identified. Readily produces cancer in rats and hamsters.

Toxicity Data With Reference

1.    

mma-sat 1 µmol/plate

    CRNGDP    Carcinogenesis. 4 (1983),305.
2.    

dnd-rat-ipr 1200 mg/kg/12D-C

    CNREA8    Cancer Research. 46 (1986),1280.
3.    

ipr-mus LD50:1 g/kg

    CALEDQ    Cancer Letters (Shannon, Ireland). 46 (1989),173.

Consensus Reports

NTP 10th Report on Carcinogens. IARC Cancer Review: Group 2B 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 . 37 ,1985,p. 209.(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) . EPA Genetic Toxicology Program.

Safety Profile

Confirmed carcinogen with experimental carcinogenic and neoplastigenic data. An experimental teratogen. Mutation data reported. A flammable liquid. When heated to decomposition it emits toxic fumes of NOx. See also N-NITROSO COMPOUNDS.
Safety Information of 4-(N-methyl-n-nitrosamino)-1-(3-pyridyl)-1-butanone (CAS NO.64091-91-4):
Hazard Codes: Xn
Risk Statements: 26/27/28-45-43-40-22 
22:  Harmful if swallowed
26:  Very Toxic by inhalation 
27:  Very Toxic in contact with skin 
28:  Very Toxic if swallowed
40:  Limited evidence of a carcinogenic effect  
43:  May cause sensitization by skin contact 
45:  May cause cancer  
Safety Statements: 45-53-36/37
36:  Wear suitable protective clothing  
37:  Wear suitable gloves 
45:  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) 
53:  Avoid exposure - obtain special instruction before use 

Standards and Recommendations

DOT Classification:  3; Label: Flammable Liquid

Specification

 4-(N-methyl-n-nitrosamino)-1-(3-pyridyl)-1-butanone ,its CAS NO. is 64091-91-4,the synonyms is 4-(N-nitrosomethylamino)-1-(3-pyridyl)-1-butanone ; 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanone ; 4-(1-Methyl-2-oxohydrazino)-1-(3-pyridinyl)-1-butanone ; 4-(Methylnitrosoamino)-1-(3-pyridinyl)-1-butanon ; 4-(Nitrosoamino-n-methyl)-1-(3-pyridyl)-1-butanone ; 4-(N-methyl-n-nitrosamino)-1-(3-pyridyl)-1-butanone ; 4-(N-methyl-n-nitrosoamino)-4-(3-pyridyl)-1-butanone .