Substance
ID:333445
Names and Identifiers
IUPAC Traditional name
ethoxy-ethyne
IUPAC name
ethoxyethyne
Synonyms
Ethoxyacetylene solution乙氧基乙炔 溶液
Registration numbers
MDL Number
PubChem SID
Beilstein Number
CAS Number
Properties
Safety Information
GHS Pictograms
Respiratory sensitization, category 1
Germ cell mutagenicity, categories 1A,1B,2
Carcinogenicity, categories 1A,1B,2
Reproductive toxicity, categories 1A,1B,2
Specific Target Organ Toxicity – Single exposure, categories 1,2
Specific Target Organ Toxicity – Repeated exposure, categories 1,2
Aspiration Hazard, category 1
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
Hazardous to the aquatic environment
Acute hazard, category1
Chronic hazard, categories 1,2
RID/ADR
UN 1993 3/PG 2
Safety Statements
36/37-61-62
Risk Statements
38-48/20-51/53-62-65-67
GHS Hazard statements
H304-H315-H336-H361-H373-H411
MSDS Link
GHS Signal Word
Danger
European Hazard Symbols
Harmful (Xn)
Nature polluting (N)German water hazard class
3
GHS Precautionary statements
P261-P273-P281-P301+P310-P331
Hazard Class
3
Packing Group
2
Storage Temperature
2-8°C
UN Number
1993
Product Information
Linear Formula
C2H5OC≡CH
Concentration
~40 wt. % in hexanes
Physical Property
Refractive Index
n20/D 1.378
Density
0.732 g/mL at 25 °C
Molecule Details
Application
Used with N-vinylamides and triflic anhydride in a direct, three-component synthesis of pyridines.1 Also used to prepare α,β-unsaturated esters from ketones via a Meyer-Schuster rearrangement.2
Packaging
1, 5 g in glass bottle
Used with N-vinylamides and triflic anhydride in a direct, three-component synthesis of pyridines.1 Also used to prepare α,β-unsaturated esters from ketones via a Meyer-Schuster rearrangement.2
Packaging
1, 5 g in glass bottle
Molecular Spectra
No Data Available
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References
No Data Available
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