Ethyl acetateCAS#141-78-6

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)

refractive index 

n20/D 1.3720(lit.)

FEMA 

2414 | ETHYL ACETATE

Fp 

26 °F

storage temp. 

Store at +2°C to +25°C.

solubility 

Miscible with ethanol, acetone, diethyl ether and benzene.

pka

16-18(at 25℃)

form 

Liquid

Specific Gravity

0.902 (20/20℃)

color 

APHA: ≤10

Odor

Pleasant fruity odor detectable at 7 to 50 ppm (mean = 18 ppm)

Relative polarity

0.228

explosive limit

2.2-11.5%, 38°F

Odor Threshold

0.87ppm

Odor Type

ethereal

biological source

synthetic

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

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).

Dielectric constant

23.0（Ambient）

Stability:

Stable. Incompatible with various plastics, strong oxidizing agents. Highly flammable. Vapour/air mixtures explosive. May be moisture sensitive.

Cosmetics Ingredients Functions

SOLVENT
PERFUMING

InChIKey

XEKOWRVHYACXOJ-UHFFFAOYSA-N

LogP

0.68-0.73 at 20-25℃

Surface tension

23.93mN/m at 293.15K

CAS DataBase Reference

141-78-6(CAS DataBase Reference)

NIST Chemistry Reference

Ethyl acetate(141-78-6)

EPA Substance Registry System

Ethyl acetate (141-78-6)

Safety Information

Risk Statements 

11-36-66-67-20/21/22-10-39/23/24/25-23/24/25-68/20/21/22

Safety Statements 

16-26-33-36/37-45-7-25

RIDADR 

UN 1173 3/PG 2

OEB

A

OEL

TWA: 400 ppm (1400 mg/m3)

WGK Germany 

1

RTECS 

AH5425000

F 

1

Autoignition Temperature

427 °C

TSCA 

Yes

HS Code 

2915 31 00

HazardClass 

3

PackingGroup 

II

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]