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141-78-6

Name Ethyl acetate
CAS 141-78-6
EINECS(EC#) 205-500-4
Molecular Formula C4H8O2
MDL Number MFCD00003568
Molecular Weight 88.11
MOL File 141-78-6.mol

Chemical Properties

Appearance Ethyl acetate is a colorless liquid. Pleasant, fruity odor.
Melting point  −84 °C(lit.)
Boiling point  76.5-77.5 °C(lit.)
density  0.902 g/mL at 25 °C(lit.)
vapor density  3 (20 °C, vs air)
vapor pressure  73 mm Hg ( 20 °C)
FEMA  2414
refractive index  n20/D 1.3720(lit.)
Fp  26 °F
storage temp.  2-8°C
solubility  Miscible with ethanol, acetone, diethyl ether and benzene.
form  Liquid
pka 16-18(at 25℃)
color  APHA: ≤10
Specific Gravity 0.902 (20/20℃)
Odor Pleasant fruity odor detectable at 7 to 50 ppm (mean = 18 ppm)
Relative polarity 0.228
Stability: Stable. Incompatible with various plastics, strong oxidizing agents. Highly flammable. Vapour/air mixtures explosive. May be moisture sensitive.
explosive limit 2.2-11.5%, 38°F
Odor Threshold 0.87ppm
Water Solubility  80 g/L (20 ºC)
λmax λ: 256 nm Amax: ≤1.00
λ: 275 nm Amax: ≤0.05
λ: 300 nm Amax: ≤0.03
λ: 325-400 nm Amax: ≤0.005
Detection Methods GC
JECFA Number 27
Merck  14,3757
BRN  506104
Henry's Law Constant 0.39 at 5.00 °C, 0.58 at 10.00 °C, 0.85 at 15.00 °C, 1.17 at 20.00 °C, 1.58 at 25.00 °C (column stripping-UV, Kutsuna et al., 2005)
Exposure limits TLV-TWA 400 ppm (~1400 mg/m3) (ACGIH, MSHA, and OSHA); IDLH 10,000 ppm (NIOSH).
InChIKey XEKOWRVHYACXOJ-UHFFFAOYSA-N
CAS DataBase Reference 141-78-6(CAS DataBase Reference)
NIST Chemistry Reference Ethyl acetate(141-78-6)
Storage Precautions Moisture sensitive
EPA Substance Registry System 141-78-6(EPA Substance)

Safety Data

Hazard Codes  F,Xi,Xn,T
Risk Statements 
R11:Highly Flammable.
R36:Irritating to the eyes.
R66:Repeated exposure may cause skin dryness or cracking.
R67:Vapors may cause drowsiness and dizziness.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R10:Flammable.
R39/23/24/25:Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed .
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R68/20/21/22:Harmful: possible risk of irreversible effects through inhalation, in contact with skin and if swallowed .
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S33:Take precautionary measures against static discharges .
S36/37:Wear suitable protective clothing and gloves .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S7:Keep container tightly closed .
S25:Avoid contact with eyes .
RIDADR  UN 1173 3/PG 2
WGK Germany  1
RTECS  AH5425000
1
Autoignition Temperature 427 °C
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29153100
Safety Profile
Potentially poisonous by ingestion. Toxicity depends upon alcohols in question, generally ethanol with methanol as a denaturant. A flammable liquid and dangerous fire hazard; can react vigorously with oxidzing materials. Moderate explosion hazard. See ETHANOL, METHYL ALCOHOL, and n-PROPYL ALCOHOL.
Hazardous Substances Data 141-78-6(Hazardous Substances Data)
Toxicity
LD50 orally in rats: 11.3 ml/kg (Smyth)
IDLA 2,000 ppm [10% LEL]

Hazard Information

Material Safety Data Sheet(MSDS)

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