544000
5-Hexynoic acid
97%
Synonym(s):
4-Ethynylbutyric acid, 5-Hexyn-1-oic acid
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About This Item
Linear Formula:
CH≡C(CH2)3CO2H
CAS Number:
Molecular Weight:
112.13
Beilstein:
1743192
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
97%
refractive index
n20/D 1.449 (lit.)
bp
224-225 °C (lit.)
density
1.016 g/mL at 25 °C (lit.)
functional group
carboxylic acid
SMILES string
OC(=O)CCCC#C
InChI
1S/C6H8O2/c1-2-3-4-5-6(7)8/h1H,3-5H2,(H,7,8)
InChI key
VPFMEXRVUOPYRG-UHFFFAOYSA-N
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General description
5-Hexynoic acid is an alkynoic acid. It undergoes gold-catalyzed cyclization to form the corresponding methylene lactones.
Application
5-Hexynoic acid may be used in the preparation of:
- 5-hexynoic acid methyl ester
- 5,6-dicarba-closo-dodecaboranyl hexynoic acid
- 5,8,11-dodecatriynoic acid
- 5-isocyanato-1-pentyne
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Flash Point(F)
230.0 °F - closed cup
Flash Point(C)
110 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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