ethyl acetate
CAS No.: 141-78-6 Formula: C4H8O2 Molecular Weight: 88.10510
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ethyl acetate

CAS No.: 141-78-6 Formula: C4H8O2 Molecular Weight: 88.10510
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Description

Ethyl acetate (systematically, ethyl ethanoate, commonly abbreviated EtOAc or EA) is the organic compound with the formula CH3-COO-CH2-CH3, simplified to C4H8O2. This colorless liquid has a characteristic sweet smell (similar to pear drops) and is used in glues, nail polish removers, decaffeinating tea and coffee, and cigarettes (see list of additives in cigarettes). Ethyl acetate is the ester of ethanol and acetic acid; it is manufactured on a large scale for use as a solvent. The combined annual production in 1985 of Japan, North America, and Europe was about 400,000 tons. In 2004, an estimated 1.3M tons were produced worldwide.

Basic Info

Chemical Name ethyl acetate
Synonyms

Acetidin; Vinegar naphtha; Ethyl ethanoate; Ethyl acetic ester; Ethyl acetate; Acetoxyethane; Ethylacetate; Acetic ether; Acetic acid ethyl ester; Expand

CAS No. 141-78-6
Molecular Formula C4H8O2
Molecular Weight 88.10510
PSA 26.30000
LogP 0.56940

Numbering system

EINECS number 205-500-4
MDL number MFCD00009171
BRN number 506104
PubChem number 24861703
RTECS number AH5425000

Properties

Appearance & Physical State Colorless liquid
Density 0.902
Boiling Point 75-77.5ºC
Melting Point -83.5ºC
Flash Point -4ºC
Refractive Index 1.371-1.374
Water Solubility 80 g/L (20 ºC)
Stability Stable. Incompatible with various plastics, strong oxidizing agents. Highly flammable. Vapour/air mixtures explosive. May be moisture sensitive.
Storage Condition 2-8°C
Vapor Density 3 (20 °C, vs air)
Vapor Pressure 73 mm Hg ( 20 °C)

Safety Info

RTECS AH5425000
Hazard Class 3
Safety Statements S16-S26-S33
HS Code 2915310000
WGK Germany 1
Packing Group II
RIDADR UN 1173
Risk Statements R11; R36; R66; R67
Hazard Codes F
Supplemental Hazard Statements Repeated exposure may cause skin dryness or cracking.
Signal Word Danger
Hazard Declaration H225; H319; H336
Symbol GHS02, GHS07
Caution Statement P210; P305 + P351 + P338; P370 + P378; P403 + P235
1H NMR : 90 MHz in CDCl3Expand

NMR Spectrum 1H NMR : 90 MHz in CDCl3

Collapse

C4 H8 O2 0.04 ml : 0.5 ml CDCl3
ethyl acetate

Assign. Shift(ppm)
A 4.119
B 2.038
C 1.260

J(A,C)=7.1HZ.

IR : CCl4 solutionExpand
Mass Expand
Raman : 4880 A,100M,liquidExpand
Exposure Route Type of Test Species Observed Dose/Duration Toxic Effects
Administration into the eye Standard Draize test Human 400 ppm -
Inhalation TCLo - Lowest published toxic concentration Human 400 ppm 1.Sense Organs and Special Senses (Olfaction)-effect, not otherwise specified
2.Sense Organs and Special Senses (Eye)-conjunctive irritation
3.Lungs, Thorax, or Respiration-other changes
Oral LD50 - Lethal dose, 50 percent kill Rodent - rat 5620 mg/kg 1.Details of toxic effects not reported other than lethal dose value
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