439169
Acétate d′éthyle
suitable for HPLC, ≥99.8%
Synonyme(s) :
EtOAc
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A propos de cet article
Formule linéaire :
CH3COOC2H5
Numéro CAS:
Poids moléculaire :
88.11
UNSPSC Code:
12190000
NACRES:
NA.21
PubChem Substance ID:
EC Number:
205-500-4
Beilstein/REAXYS Number:
506104
MDL number:
Assay:
≥99.8%
Grade:
HPLC grade
Technique(s):
GC/MS: suitable, HPLC: suitable
Bp:
76.5-77.5 °C (lit.)
Vapor pressure:
73 mmHg ( 20 °C)
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HPLC grade
Quality Level
vapor density
3 (20 °C, vs air)
vapor pressure
73 mmHg ( 20 °C)
assay
≥99.8%
form
liquid
autoignition temp.
801 °F
expl. lim.
2.2-11.5 %, 38 °F
technique(s)
GC/MS: suitable, HPLC: suitable
impurities
<0.050% water
evapn. residue
<0.0003%
refractive index
n20/D 1.3720 (lit.)
bp
76.5-77.5 °C (lit.)
mp
−84 °C (lit.)
solubility
alcohol: soluble(lit.), chloroform: soluble(lit.)
density
0.902 g/mL at 25 °C (lit.)
λ
H2O reference
UV absorption
λ: 254 nm Amax: 1.00, λ: 263 nm Amax: 0.05, λ: 275-400 nm Amax: 0.01
application(s)
food and beverages
format
neat
SMILES string
CCOC(C)=O
InChI
1S/C4H8O2/c1-3-6-4(2)5/h3H2,1-2H3
InChI key
XEKOWRVHYACXOJ-UHFFFAOYSA-N
General description
Ethyl acetate (EA), a carboxylate ester, is bio-friendly organic solvent with a wide range of industrial applications. Its synthesis by reactive distillation and by acceptorless dehydrogenative dimerization of ethanol has been explored. Its ability as an acyl acceptor in the immobilized lipase-mediated preparation of biodiesel from crude vegetable oils has been examined. The complete degradation of ethyl acetate to CO2 using manganese octahedral molecular sieve (OMS-2) has been investigated. EA is an effective alternate solvent of diethyl ether, employed for the concentration of eggs, larvae, and cysts in fecal specimens during the Formalin-ether sedimentation technique. Acetaldehyde is reaction intermediate formed during the oxidative combustion of ethanol and ethyl acetate in the presence of copper oxide embedded on Ce-doped titania surface.
Application
Ethyl acetate may be used in the following studies:
- As solvent for the isolation of Rose hip (Rosa canina L., Rosaceae) powder, via sonication.
- As solvent for the abstraction of volatile thiols from wine for their quantitative estimation by gas chromatography/mass spectrometry (GC-MS).
- Preparation of thin films of TiO2 (titanium dioxide) on glass.
- As an extraction medium in the multi-residue analysis of pesticide residues in fruit and vegetables.
- Acetylation of primary amines to form amides in the presence of dimethyltin(IV) acetic acid distannoxane.
Packaging
M-Bottle for Solvents
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Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
target_organs
Central nervous system
supp_hazards
Classe de stockage
3 - Flammable liquids
wgk
WGK 1
flash_point_f
24.8 °F - closed cup
flash_point_c
-4 °C - closed cup
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Maria Nikolantonaki et al.
Analytica chimica acta, 660(1-2), 102-109 (2010-01-28)
As volatile thiols are nucleophiles, they are capable of additional reactions with electrophiles. In enology, this concerns reactions between volatile or non-volatile thiols and oxidized phenolic compounds. Initial studies concerning the reactivity of volatile thiols with polyphenols showed that (+)-catechin
Isolation of immunomodulatory triterpene acids from a standardized rose hip powder (Rosa canina L.).
Lasse Saaby et al.
Phytotherapy research : PTR, 25(2), 195-201 (2010-07-16)
A previously published systematic review and a metaanalysis have concluded that the consumption of standardized rose hip powder (Rosa canina L.) can reduce pain in osteoarthritis patients. Synovial inflammation has been suggested to play an important role in the pathogenesis
Manganese oxide OMS-2 as an effective catalyst for total oxidation of ethyl acetate.
Gandhe AR, et al.
Applied Catalysis. B, Environmental, 72(1), 129-135 (2007)
Numéro d'article de commerce international
| Référence | GTIN |
|---|---|
| 439169-20L | 04061832245966 |
| 439169-20L-P2-3A | 04061837287459 |
| 439169-2X10L | 04061837287466 |
| 439169-4L | 04061837479052 |
| 439169-4X4L | 04061837479069 |
| 439169-50L | 04061837287473 |