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Basic information

  • Name:

  • 2-Pentanone

  • CAS No.:

  • 107-87-9

  • Formula:
  • C5H10O
  • Synonyms:
  • 4-Methyl-2-butanone;Ethylacetone;Methyl n-propyl ketone;Methyl propyl ketone;NSC 5350;Propylmethyl ketone;2-Pentanone ( Methyl propyl ketone);

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Chemistry

Molecular structure of 2-Pentanone (CAS NO.107-87-9) is:

Product Name: 2-Pentanone
CAS Registry Number: 107-87-9
IUPAC Name: pentan-2-one
Molecular Weight: 86.1323 [g/mol]
Molecular Formula: C5H10O
XLogP3: 0.9
H-Bond Donor: 0
H-Bond Acceptor: 1 
EINECS: 203-528-1
Melting Point: -78 °C
Surface Tension: 22.6 dyne/cm
Density: 0.796 g/cm3
Flash Point: 7.2 °C
Enthalpy of Vaporization: 32.76 kJ/mol
Boiling Point: 102.7 °C at 760 mmHg
Vapour Pressure: 38.6 mmHg at 25°C
Refractive index: n20/D 1.39(lit.)
Storage temp.: Flammables area
Water Solubility: 43 g/L (20 °C)
Stability: Stable. Highly flammable - note low flashpoint. Incompatible with strong bases, oxidizing agents, reducing agents.
Product Categories: Organics;ketone;ketone Flavor

Uses

 2-Pentanone (CAS NO.107-87-9) is used as a flavoring food additive in very small amounts.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LCLo inhalation 13000ppm/5H (13000ppm)   "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 6, Pg. 1036, 1991.
human TCLo inhalation 1500ppm (1500ppm) SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE

BEHAVIORAL: HEADACHE

GASTROINTESTINAL: NAUSEA OR VOMITING		 Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. Vol. 1, Pg. 83, 1974.
mammal (species unspecified) LC50 inhalation 22gm/m3 (22000mg/m3)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 51(5), Pg. 61, 1986.
mammal (species unspecified) LD50 oral 3700mg/kg (3700mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 32(10), Pg. 25, 1988.
mouse LD50 intraperitoneal 1600mg/kg (1600mg/kg)   "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4735, 1982.
mouse LD50 oral 1600mg/kg (1600mg/kg)   "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4735, 1982.
rabbit LD50 skin 6500mg/kg (6500mg/kg)   Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. Vol. 1, Pg. 83, 1974.
rat LCLo inhalation 2000ppm/4H (2000ppm)   American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962.
rat LD50 intraperitoneal 800mg/kg (800mg/kg)   "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4735, 1982.
rat LD50 oral 1600mg/kg (1600mg/kg)   "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New

Safety Profile

Hazard Codes: FlammableF,HarmfulXn
Risk Statements: 11-22-36/37/38 
R11:Highly flammable. 
R22:Harmful if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 9-16-29-33-37/39-26 
S9:Keep container in a well-ventilated place. 
S16:Keep away from sources of ignition. 
S29:Do not empty into drains. 
S33:Take precautionary measures against static discharges. 
S37/39:Wear suitable gloves and eye/face protection. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN 1249 3/PG 2
WGK Germany: 1
RTECS: SA7875000
HazardClass: 3
PackingGroup: II

Specification

 2-Pentanone , its cas register number is 107-87-9. It also can be called Methyl propyl ketone ; Ethyl acetone ; Methyl n-propyl ketone ; Methyl propyl ketone ; Methyl-propyl-cetone ; Metylopropyloketon [Polish] ; Propyl methyl ketone .It is a clear colorless liquid with the odor of fingernail polish. It less dense than water and soluble in water.It is highly flammable and can soluble in water. It is incompatible with oxidizing agents, strong bases and reducing agents. Reacts violently with bromine trifluoride.

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