Propiolic acid
Propiolic acid (CAS 471-25-0), with the linear formula HC≡CCOOH and a molecular weight of 70.05 g/mol, is a valuable organic building block. This carboxylic acid is recognised for its utility in chemical synthesis, particularly in the preparation of complex organic molecules and as a reagent in the formation of transition metal complexes and various halogenated compounds. Available at 95% purity, it serves as a key intermediate for researchers and industrial chemists.
- IUPAC
- Acetylenecarboxylic acid,Propynoic acid
- Synonyms
- Acetylenecarboxylic acidPropynoic acid
Synthesis of Transition Metal Complexes
Propiolic acid serves as a reagent in the synthesis of various transition metal complexes. Its unique structure allows for coordination and incorporation into diverse metallic structures, valuable in catalysis and materials science research.
Preparation of Haloalkyl Propiolates
This compound is employed in the preparation of haloalkyl propiolates. These intermediates are useful in further organic transformations, enabling the construction of more complex molecular architectures.
Formation of Halopropenoates
Propiolic acid is a precursor for the synthesis of halopropenoates. These compounds find applications in organic synthesis due to the reactivity of the double bond and halogen substituents.
| Molecular weight | 70.05 |
|---|---|
| Linear formula | HC≡CCOOH |
| Assay | 95% |
| Boiling point | 102 °C/200 mmHg(lit.) |
| Density | 1.138 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.431(lit.) |
| Storage temperature | 2-8°C |
| Melting point | 16-18 °C(lit.) |
| Impurities tested | ≤6.0% acetic acid |
| Application | Reagent employed in the synthesis of transition metal complexes,1 haloalkyl propiolates,2,3 and halopropenoates.4 |
Hazard statements
- H226Flammable liquid and vapour
- H301Toxic if swallowed
- H310Fatal in contact with skin
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P302IF ON SKIN
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 58 °C / 136.4 °F |
| Transport (UN / ADR) | UN 2920 3(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 24/25-34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Propiolic acid used for?
+
Propiolic acid is employed as a reagent in the synthesis of transition metal complexes, haloalkyl propiolates, and halopropenoates. It is also categorised as an organic building block suitable for chemical synthesis.
What is the CAS number and formula for Propiolic acid?
+
The CAS number for Propiolic acid is 471-25-0, and its linear formula is HC≡CCOOH.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Propiolic acid with an assay of 95%. This product is not classified as USP, BP, or EP grade; TSS does not represent it as such.
How should Propiolic acid be handled safely?
+
Propiolic acid is a dangerous substance requiring careful handling. It is flammable and corrosive, with significant health hazards including toxicity upon ingestion and skin contact, and causes severe skin burns and eye damage. Always use appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, and handle in a well-ventilated area or fume hood.
How is Propiolic acid packed and exported by TSS?
+
Propiolic acid is packed and exported according to stringent international regulations for hazardous materials, including UN 2920 classification. Storage is recommended at 2-8°C.
How can I request a quote or sample for Propiolic acid?
+
To request a quote or sample for Propiolic acid, please contact our sales team through the website or by phone, providing your details and specific requirements.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis