CAS 53293-00-8: 5-Hexynoic acid
Description:5-Hexynoic acid is an alkyne carboxylic acid characterized by its linear chain structure, featuring a triple bond between the fifth and sixth carbon atoms. It has the molecular formula C6H10O2, indicating the presence of a carboxylic acid functional group (-COOH) at one end of the carbon chain. This compound is typically a colorless to pale yellow liquid with a distinctive odor. It is soluble in organic solvents but has limited solubility in water due to its hydrophobic carbon chain. 5-Hexynoic acid can participate in various chemical reactions, including esterification and amidation, making it useful in organic synthesis and as an intermediate in the production of pharmaceuticals and agrochemicals. Additionally, its unique structure allows for potential applications in materials science and polymer chemistry. Safety data indicates that it should be handled with care, as it may cause irritation to the skin and eyes. Proper safety measures, including the use of personal protective equipment, are recommended when working with this compound.
Formula:C6H8O2
InChI:InChI=1S/C6H8O2/c1-2-3-4-5-6(7)8/h1H,3-5H2,(H,7,8)
InChI key:InChIKey=VPFMEXRVUOPYRG-UHFFFAOYSA-N
SMILES:O=C(O)CCCC#C
- Synonyms:
- 4-Ethynylbutyric acid
- 5-Hexyn-1-oic acid
- Ec2-103
- Hex-5-Ynoate
- Hex-5-ynoic acid
- 5-Hexynoic acid

5-Hexynoic Acid
- Building Blocks
- Acetylenes
- Functional Groups
- Carbonyls
- See more categories
- Carboxylic Acids
- DNA Cross Linkers
- Carboxylic Acids C6
- Electronic Materials
- Biochemicals and Reagents
- Aliphatic compounds and derivatives
- Quantum Dot (QD) Reagents and Research
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)
Ref: 3B-H0882
5g | 84.00 € | ||
25g | 310.00 € |

5-Hexynoic acid, 96%
Ref: 02-B25132
1g | 48.00 € | ||
5g | 117.00 € | ||
25g | 370.00 € |

5-Hexynoic acid
- Acetylenes
- Functional Groups
- Carbonyls
- Carboxylic Acids
- See more categories
- DNA Cross Linkers
- Organic Building Blocks
- Carboxylic Acids C6
- Electronic Materials
- Biochemicals and Reagents
- Aliphatic compounds and derivatives
- Quantum Dot (QD) Reagents and Research
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)
Ref: IN-DA0034A6
1g | 25.00 € | ||
5g | 56.00 € | ||
10g | 104.00 € | ||
25g | 189.00 € | ||
50g | 246.00 € | ||
100g | 623.00 € | ||
500g | To inquire | ||
250mg | 25.00 € |

Hex-5-ynoic acid
Ref: 54-OR30593
1g | 32.00 € | ||
5g | 91.00 € | ||
25g | 293.00 € |

5-Hexynoic acid, 97%
Ref: AC-38370
1g | 44.00 € | ||
5g | 120.00 € | ||
25g | To inquire |

5-Hexynoic acid
Ref: 10-F145705
1g | 25.00 € | ||
5g | 58.00 € | ||
10g | 96.00 € | ||
25g | 237.00 € | ||
100g | 684.00 € |

5-Hexynoic Acid
Controlled ProductRef: TR-H325263
100mg | 91.00 € | ||
250mg | 102.00 € | ||
500mg | 119.00 € |

5-Hexynoic acid
Ref: 3D-FH61672
5g | 336.00 € | ||
10g | 403.00 € | ||
25g | 598.00 € |