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Merck
CN

271365

Ethoxyacetylene solution

~40 wt. % in hexanes

Synonym(s):

1-Ethoxyethyne, Ethoxyethyne, Ethyl ethynyl ether, Ethynyl ethyl ether

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About This Item

Linear Formula:
C2H5OC≡CH
CAS Number:
927-80-0
Molecular Weight:
70.09
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24856434
MDL number:
MFCD00009247
Beilstein/REAXYS Number:
741882

Key Documents

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Product Name

Ethoxyacetylene solution, ~40 wt. % in hexanes

InChI

1S/C4H6O/c1-3-5-4-2/h1H,4H2,2H3

SMILES string

CCOC#C

InChI key

WMYNMYVRWWCRPS-UHFFFAOYSA-N

form

liquid

concentration

~40 wt. % in hexanes

refractive index

n20/D 1.378

density

0.732 g/mL at 25 °C

storage temp.

2-8°C

Quality Level

100

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Application

Used with N-vinylamides and triflic anhydride in a direct, three-component synthesis of pyridines. Also used to prepare α,β-unsaturated esters from ketones via a Meyer-Schuster rearrangement.

signalword

Danger

Hazard Classifications

Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3

target_organs

Central nervous system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

-14.8 °F

flash_point_c

-26 °C

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SDBB6623
STBL3147
STBK6380
STBK7669
STBJ4836

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Synlett, 949-949 (2007)
Direct synthesis of pyridine derivatives.
Mohammad Movassaghi et al.
Journal of the American Chemical Society, 129(33), 10096-10097 (2007-08-01)
Nicholas D Stebbins et al.
Biomacromolecules, 16(11), 3632-3639 (2015-10-10)
Sugar alcohols, such as mannitol and xylitol, are biocompatible polyols that have been used to make highly cross-linked polyester elastomers and dendrimers for tissue engineering and drug delivery. However, research that utilizes the secondary hydroxyl groups as sites for pendant

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