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185892

Sigma-Aldrich

Ethyl chloroformate

97%

Sinonimo/i:

Chloroformic acid ethyl ester

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About This Item

Formula condensata:
ClCOOC2H5
Numero CAS:
541-41-3
Peso molecolare:
108.52
Beilstein:
385653
Numero CE:
208-778-5
Numero MDL:
MFCD00000644
Codice UNSPSC:
12352100
ID PubChem:
24851187
NACRES:
NA.22

Densità del vapore

3.74 (vs air)

Livello qualitativo

200

Tensione di vapore

3.42 psi ( 20 °C)

Saggio

97%

Forma fisica

liquid

Temp. autoaccensione

842 °F

Indice di rifrazione

n20/D 1.395 (lit.)

P. eboll.

93 °C (lit.)

Punto di fusione

−81 °C (lit.)

Solubilità

alcohol: miscible
benzene: miscible
chloroform: miscible
diethyl ether: miscible
water: insoluble

Densità

1.135 g/mL at 25 °C (lit.)

Stringa SMILE

CCOC(Cl)=O

InChI

1S/C3H5ClO2/c1-2-6-3(4)5/h2H2,1H3
RIFGWPKJUGCATF-UHFFFAOYSA-N

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Categorie correlate

Applicazioni

  • Ethyl chloroformate was used in the synthesis of nitrile oxides.
  • It was used as derivatization reagent to investigate stereochemical conversion of chiral non-steroidal anti-inflammatory drugs during derivatization reaction.
  • It was used to develop flexible template strategy for the generation of nanometer-scale templates via dip-pen nanolithography.
  • It was used as derivatization reagent in an enantiomeric analysis of amino acids by two-dimensional gas chromatography.
  • It was also used with ammonia and cyanuric chloride to convert carboxylic acids to nitriles.

Confezionamento

Derivatization reagent employed in an enantiomeric analysis of amino acids by two-dimensional gas chromatography. Also used with ammonia and cyanuric chloride to convert carboxylic acids to nitriles.

Avvertenze

Danger

Indicazioni di pericolo

H225,H290,H302,H314,H330

Classi di pericolo

Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Met. Corr. 1 - Skin Corr. 1B

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

60.8 °F

Punto d’infiammabilità (°C)

16 °C

Dispositivi di protezione individuale

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Certificati d'analisi (COA)

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Melanie Junge et al.
Chirality, 19(3), 228-234 (2007-01-19)
The chiral separation of amino acids (AA) derivatised with ethyl chloroformate by using comprehensive two-dimensional gas chromatography is reported. A commercially available enantioselective capillary column (Chirasil-l-Val) has been tested as first-dimension column. Two nonenantioselective stationary phases (BPX50 and BP1) with
A convenient preparative method of nitrile oxides by the dehydration of primary nitro compounds with ethyl chloroformate or benzenesulfonyl chloride in the presence of triethylamine.
Shimizu T, et al.
Bulletin of the Chemical Society of Japan, 59(9), 2827-2831 (1986)
Tetrahedron Letters, 48, 1465-1465 (2007)
M R Wright et al.
Journal of chromatography, 616(1), 59-65 (1993-06-23)
A potential problem with chiral derivatization is the possibility of stereochemical conversion during the derivatization reaction. This possibility has been examined using the non-steroidal anti-inflammatory drugs ibuprofen, ketoprofen, etodolac and flurbiprofen. To avoid possible interference from stereochemical impurities, male Sprague-Dawley
Sezin Erarpat et al.
Journal of separation science, 43(6), 1100-1106 (2019-12-21)
A green and fast analytical method for the determination of l-methionine in human plasma is presented in this study. Preconcentration of the analyte was carried out by switchable solvent liquid phase microextraction after ethyl chloroformate derivatization reaction. Instrumental detection of
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