乙酸乙酯

InChI

1S/C4H8O2/c1-3-6-4(2)5/h3H2,1-2H3

SMILES string

CCOC(C)=O

InChI key

XEKOWRVHYACXOJ-UHFFFAOYSA-N

vapor density

3 (20 °C, vs air)

vapor pressure

73 mmHg ( 20 °C)

assay

≥99.9% (GC)

form

liquid

autoignition temp.

801 °F

potency

5620 mg/kg LD₅₀, oral (Rat), >18000 mg/kg LD₅₀, skin (Rabbit)

expl. lim.

2.2-11.5 %, 38 °F

technique(s)

UV/Vis spectroscopy: suitable

impurities

≤0.0002 meq/g Acidity, ≤0.0002 meq/g Alkalinity, ≤0.01% Water

evapn. residue

≤0.0002%

color

APHA: ≤10

transmittance

255 nm, ≥20%, 260 nm, ≥75%, 263 nm, ≥80%, 265 nm, ≥90%, 270 nm, ≥98%

refractive index

n20/D 1.3720 (lit.)

Quality Level

100

mp

−84 °C (lit.)

transition temp

flash point -4 °C

solubility

85.3 g/L

density

0.902 g/mL at 25 °C (lit.)

UV absorption

λ: 255 nm A_max: ≤0.70, λ: 260 nm A_max: ≤0.13, λ: 263 nm A_max: ≤0.10, λ: 265 nm A_max: ≤0.05, λ: 270 nm A_max: ≤0.01

format

neat

storage temp.

2-30°C