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Ethyl acetate

Xem hình lớn
Code:494518
Code: 494518
Đóng gói: 1L, 2L
Hãng sản xuất: Sigma-Aldrich
Thông tin sản phẩm

Ethyl acetate

biotech. grade, ≥99.8%

Synonym: EtOAc

  • CAS Number 141-78-6

  • Linear Formula CH3COOC2H5

  • Molecular Weight 88.11

  •  Beilstein Registry Number 506104

  •  EC Number 205-500-4

  •  MDL number MFCD00009171

  •  PubChem Substance ID 24872910

  • Properties

    Related Categories Biotech Solvents, Ethyl Acetate, Solvent by Type, Solvent Bottles, Solvent Packaging Options,
    grade   biotech. grade
    vapor density   3 (20 °C, vs air)
    vapor pressure   73 mmHg ( 20 °C)
    assay   ≥99.8%
    autoignition temp.   801 °F
    expl. lim.   2.2-11.5 %, 38 °F
    impurities   ≤0.0009 meq/g Titr. acid
      <0.01% 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.)
      water: 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

    Description

    Other Notes

    A -D suffix exists for administrative purposes only.
    All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

    Packaging

    1, 2 L in Sure/Seal™

    Application

    Ethyl acetate may be used in the following processes:
    • Preparation of thin films of TiO2 (titanium dioxide) on glass.[7]
    • As an extraction medium in the multi-residue analysis of pesticide residues in fruit and vegetables.[2]
    • Acetylation of primary amines to form amides in the presence of dimethyltin(IV) acetic acid distannoxane.[9]

    General description

    Ethyl acetate (EA), a carboxylate ester, is bio-friendly organic solvent with a wide range of industrial applications.[3] Its synthesis by reactive distillation[4][5] and by acceptorless dehydrogenative dimerization of ethanol has been explored.[1] Its utility as a less toxic alternative to diethyl ether in the formalin-ether (F-E) sedimentation procedure for intestinal parasites has been investigated.[11] Its ability as an acyl acceptor in the immobilized lipase-mediated preparation of biodiesel from crude vegetable oils has been examined.[10] The complete degradation of ethyl acetate to CO2 using manganese octahedral molecular sieve (OMS-2) has been investigated.[6] Low water content, minimal residue and clean UV spectra are the special characteristics of this biotech grade solvent. It can be utilized for biotechnological processes like protein sequencing, peptide and oligonucleotide synthesis.

  • Safety Information

    Symbol 
    Signal word 
    Danger
    Hazard statements 
    Precautionary statements 
    Supplemental Hazard Statements 
    Repeated exposure may cause skin dryness or cracking.
    RIDADR 
    UN1173 - class 3 - PG 2 - Ethyl acetate
    WGK Germany 
    1
    RTECS 
    AH5425000
    Flash Point(F) 
    26.6 °F
    Flash Point(C) 
    -3 °C
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