Acetylenedicarboxylic acid
Acetylenedicarboxylic acid (CAS 142-45-0), with the molecular formula HOOCC≡CCOOH and a molecular weight of 114.06 g/mol, is a crucial organic building block. This dicarboxylic acid features a triple bond between the carbonyl functionalities, making it a reactive intermediate. It is primarily utilized in chemical synthesis for the creation of various organic compounds and complex molecules in research and development settings.
- IUPAC
- 2-Butynedioic acid
- Synonyms
- 2-Butynedioic acid
Organic Synthesis Intermediate
Acetylenedicarboxylic acid serves as a versatile synthon in organic chemistry. Its reactive alkyne and carboxylic acid groups allow for participation in diverse reactions, including cycloadditions and esterifications, facilitating the construction of novel molecular architectures.
Research and Development
This compound is employed in academic and industrial research laboratories for exploring new synthetic pathways and developing novel materials. Its unique structure enables the synthesis of specialized reagents and intermediates.
Building Block for Heterocycles
The molecule is a valuable precursor for synthesizing various heterocyclic compounds. Reactions involving acetylenedicarboxylic acid can lead to the formation of fused ring systems and other complex organic structures with potential applications in medicinal chemistry.
| Molecular weight | 114.06 |
|---|---|
| Linear formula | HOOCC≡CCOOH |
| Assay | ≥94.0% (T) |
| Grade | purum |
| Storage temperature | 2-8°C |
| Melting point | 180-187 °C (dec.)(lit.) |
Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-36/37/38 |
| Safety statements (S) | 26-45 |
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 Acetylenedicarboxylic acid used for?
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Acetylenedicarboxylic acid is primarily used as an intermediate in organic synthesis and as a building block for creating complex organic molecules in research and development settings.
What is the CAS number and molecular formula for Acetylenedicarboxylic acid?
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The CAS number for Acetylenedicarboxylic acid is 142-45-0, and its molecular formula is HOOCC≡CCOOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Acetylenedicarboxylic acid in 'purum' grade with an assay of ≥94.0% (T). TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Acetylenedicarboxylic acid be handled safely?
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Acetylenedicarboxylic acid is a dangerous substance that is toxic if swallowed and causes skin and serious eye irritation, and may cause respiratory irritation. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and a P2 respirator, should be used. Handle in a well-ventilated area and follow emergency procedures as indicated by the Safety Data Sheet.
How is Acetylenedicarboxylic acid shipped?
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Acetylenedicarboxylic acid is shipped under UN 2811, Class 6.1, Packing Group III regulations.
How can I request a quote or sample for Acetylenedicarboxylic acid?
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To request a quote or sample of Acetylenedicarboxylic acid, please contact our sales team through the website or by phone.
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