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23131

Sigma-Aldrich

Ethyl chloroformate

purum, ≥98.0% (GC)

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Synonym(s):
Chloroformic acid ethyl ester
Linear Formula:
ClCOOC2H5
CAS Number:
541-41-3
Molecular Weight:
108.52
Beilstein:
385653
EC Number:
208-778-5
MDL number:
MFCD00000644
UNSPSC Code:
12352100
PubChem Substance ID:
329752388
NACRES:
NA.22

vapor density

3.74 (vs air)

Quality Level

100

vapor pressure

3.42 psi ( 20 °C)

grade

purum

Assay

≥98.0% (GC)

form

liquid

autoignition temp.

842 °F

refractive index

n20/D 1.395 (lit.)
n20/D 1.396

bp

93 °C (lit.)

mp

−81 °C (lit.)

density

1.139 g/mL at 20 °C
1.135 g/mL at 25 °C (lit.)

SMILES string

CCOC(Cl)=O

InChI

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

InChI key

RIFGWPKJUGCATF-UHFFFAOYSA-N

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Application

  • GC-MS Analysis of Resveratrol Isomers in Red Wine: Application of ethyl chloroformate for derivatization of resveratrol isomers, enhancing GC-MS analysis effectiveness, crucial for quality control in food chemistry and drug discovery focusing on dietary supplements (Di Fabio et al., 2020).
  • Determination of Free Aromatic Carboxylic Acids and Phenols in Juices: Uses ethyl chloroformate for rapid GC-MS analysis, important for food safety and pharmacology by verifying phenolic bioactive compounds in consumer products (Incocciati et al., 2021).
  • Synthesis of Diaryl Ketones: Discusses a nickel-catalyzed method of synthesizing diaryl ketones using ethyl chloroformate, valuable for material science chemists developing new materials and pharmaceutical compounds (Shi & Hu, 2019).

Signal Word

Danger

Hazard Statements

H225,H290,H302,H314,H330

Hazard Classifications

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

WGK

WGK 1

Flash Point(F)

60.8 °F

Flash Point(C)

16 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

监管及禁止进口产品

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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P Husek et al.
Journal of chromatography. B, Biomedical sciences and applications, 693(2), 499-502 (1997-06-06)
Following deproteinization of plasma with organic solvents the supernatant was shaken with hexane and cation-exchange resin in an Eppendorf tube to remove fatty and amino acids and the medium was subjected to direct treatment with ethyl chloroformate under catalytic influence
Guo-Xiang Xie et al.
Journal of pharmaceutical and biomedical analysis, 43(3), 920-925 (2006-10-13)
Dencichine (beta-N-oxalyl-l-alpha,beta-diaminopropionic acid) is a haemostatic agent present in well-known traditional Chinese medicinal herbs such as Panax notoginseng, as well as other Panax species. It is also a reported neurotoxic agent found in Lathyrus sativus (grass pea seed) and cycad
Mohana Krishna Reddy Mudiam et al.
Analytical and bioanalytical chemistry, 401(5), 1695-1701 (2011-07-12)
A simple and rapid analytical method based on in-matrix ethyl chloroformate (ECF) derivatization has been developed for the quantitative determination of bisphenol-A (BPA) in milk and water samples. The samples containing BPA were derivatised with ECF in the presence of
Man-Jeong Paik et al.
Journal of chromatography. A, 1214(1-2), 151-156 (2008-11-11)
N-ethoxycarbonylation was combined with (S)-1-phenylethylamidation for enantioseparation of amino acids by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) on achiral capillary columns. The method provided complete enantioseparations of 12 amino acids as diastereomeric N-ethoxycarbonyl/(S)-1-phenylethylamides with exceptional resolutions for proline
Nico C van de Merbel et al.
Bioanalysis, 3(17), 1949-1961 (2011-09-09)
Two methods have been developed and validated for the determination of free and total dopamine in human plasma. They are based on solid-phase extraction of the analyte from the matrix by covalent complexation with phenylboronic acid, followed by derivatization with
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