738271
3-Butynoic acid
95%
Synonym(s):
2-Ethynylacetic acid
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| Size/SKU | Availability | Price |
|---|---|---|
1 g | Available to ship TODAY | $344.00 |
About This Item
Empirical Formula (Hill Notation):
C4H4O2
CAS Number:
Molecular Weight:
84.07
MDL number:
UNSPSC Code:
12352100
NACRES:
NA.22
Assay:
95%
Form:
powder
$344.00
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Quality Segment
assay
95%
form
powder
mp
70-80 °C
functional group
carboxylic acid
SMILES string
OC(=O)CC#C
InChI
1S/C4H4O2/c1-2-3-4(5)6/h1H,3H2,(H,5,6)
InChI key
KKAHGSQLSTUDAV-UHFFFAOYSA-N
Application
Some of the applications of 3-butynoic acid are:
- Synthesis of functionalized γ-butyrolactones and tetrahydrofurans via Conia-ene cyclizations.
- Synthesis of allenoates for [2+2] cycloadditions with alkenes.
- Phosphine-catalyzed synthesis of highly functionalized coumarins.
- Synthesis of various useful organotin reagents via radical hydrostannation of 3-butynoic acid.
1 of 1
This Item | ||
|---|---|---|
| description 95% | description 98% | description 95% |
| assay 95% | assay 98% | assay 95% |
| Quality Level 100 | Quality Level 100 | Quality Level 100 |
| mp 70-80 °C | mp 78-80 °C (lit.) | mp - |
| form powder | form solid | form - |
| functional group carboxylic acid | functional group carboxylic acid | functional group ketone |
Signal Word
Danger
Hazard Codes
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B
Storage Class
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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