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1-Penten-3-one cas no:1629-58-9

Synonyms: 4-Penten-3-one;Ethyl vinyl ketone;NSC 81211;Vinyl ethyl ketone;

Identification
Name1-Penten-3-one
CAS1629-58-9
Synonyms4-Penten-3-one;Ethyl vinyl ketone;NSC 81211;Vinyl ethyl ketone;
EINECS(EC#)216-624-3
Molecular FormulaC5H8O
Molecular Weight84.12
Chemical Properties
Appearanceclear colorless to amber liquid
refractive index1.419
storage temp2-8°C
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass3
Safety Data

Hazard F:Flammable;T:Toxic;
Risk R11;R23/24/25;R34
Safety

Poison by intravenous route. When heated to decomposition it emits acrid smoke and irritating fumes. See also KETONES.
Hazard Codes: FlammableF,ToxicT
Risk Statements: 11-23/24/25-34 
R11:Highly flammable. 
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed. 
R34:Causes burns.
Safety Statements: 26-36/37/39-45 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)


Toxicity
1.    

ivn-mus LD50:56 mg/kg

    CSLNX*    U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#00948 .

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