Home Categories Flavors and fragrances 2-Pentanone
A6643512

2-Pentanone , Analysis of standard products, for environmental analysis, ≥99.8%(GC) , 107-87-9

Synonym(s):
2-Pentanone;Methyl propyl ketone

CAS NO.:107-87-9

Empirical Formula: C5H10O

Molecular Weight: 86.13

MDL number: MFCD00009400

EINECS: 203-528-1

Update time: 2022-07-08

PRODUCT Properties

Melting point: -78 °C (lit.)
Boiling point: 101-105 °C (lit.)
Density  0.809 g/mL at 25 °C (lit.)
vapor pressure  27 mm Hg ( 20 °C)
FEMA  2842 | 2-PENTANONE
refractive index  n20/D 1.39(lit.)
Flash point: 45 °F
storage temp.  Store below +30°C.
solubility  water: soluble72.6g/L at 20°C (OECD Test Guideline 105)
form  Liquid
color  Colorless to Almost colorless
Odor at 1.00 % in dipropylene glycol. sweet fruity ethereal wine banana woody
Relative polarity 0.321
explosive limit 1.56-8.70%(V)
Odor Threshold 0.028ppm
Odor Type fruity
Water Solubility  43 g/L (20 ºC)
λmax λ: 330 nm Amax: 1.00
λ: 340 nm Amax: 0.10
λ: 350 nm Amax: 0.01
λ: 370-400 nm Amax: 0.005
JECFA Number 279
Merck  14,6114
BRN  506058
Henry's Law Constant 12.30 at 25.00 °C (headspace-GC, Straver and de Loos, 2005)
Exposure limits TLV-TWA 700 mg/m3 (200 ppm); STEL 875 mg/m3 (250 ppm) (ACGIH).
Dielectric constant 16.8(14℃)
Stability: Stable. Highly flammable - note low flashpoint. Incompatible with strong bases, oxidizing agents, reducing agents.
LogP 0.857 at 20℃
CAS DataBase Reference 107-87-9(CAS DataBase Reference)
NIST Chemistry Reference 2-Pentanone(107-87-9)
EPA Substance Registry System 2-Pentanone (107-87-9)

Description and Uses

MPK is a colorless to water-white liquid witha strong odor resembling acetone and ether. The odorthreshold is 7.7 ppm. Molecular weight = 86.15; Specificgravity (H2O:1) 5 0.81; Boiling point = 102℃; Freezing/Melting point 5 2 78℃; Vapor pressure 5 27 mmHg at20℃; Flash point = 7℃ (cc); Autoignition temperature 5452℃. Explosive limits: LEL 5 1.5%; UEL 5 8.2%.Hazard Identification (based on NFPA-704 M RatingSystem): Health 2, Flammability 3, Reactivity 0. Slightlysoluble in water; solubility 5 6%

2-Pentanone is used as a solvent for lacquers and surface coatings. It acts as a flavoring agent. It is also used as a solvent for cleaning and degreasing purpose. Further, it serves as an intermediate, paint additive and coating additive.

Safety

Symbol(GHS) 
GHS02,GHS07
Signal word  Danger
Hazard statements  H225-H302-H319
Precautionary statements  P210-P233-P240-P241-P301+P312-P305+P351+P338
Hazard Codes  F,Xn
Risk Statements  11-22-36/37/38
Safety Statements  9-16-29-33-37/39-26
OEB A
OEL TWA: 150 ppm (530 mg/m3)
RIDADR  UN 1249 3/PG 2
WGK Germany  1
RTECS  SA7875000
Autoignition Temperature 941 °F
TSCA  Yes
HS Code  2914 19 90
HazardClass  3
PackingGroup  II
Hazardous Substances Data 107-87-9(Hazardous Substances Data)
Toxicity LD50 orally in rats: 3.73 g/kg (Smyth)
IDLA 1,500 ppm

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