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Acetylenedicarboxylic acid, 97%
CAS: 142-45-0 | C4H2O4 | 114.06 g/mol
Supplier: Thermo Scientific Chemicals A1873622
Description
Acetylenedicarboxylic acid is employed in the preparation of dimethyl acetylenedicarboxylate and potassium hydrogenacetylenedicarboxylate. It is also used as a laboratory reagent. Further, it is used as a precursor in organic synthesis and also serves as a pharmaceutical intermediate.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
ApplicationsAcetylenedicarboxylic acid is employed in the preparation of dimethyl acetylenedicarboxylate and potassium hydrogenacetylenedicarboxylate. It is also used as a laboratory reagent. Further, it is used as a precursor in organic synthesis and also serves as a pharmaceutical intermediate.
Solubility
Soluble in diethyl ether and water.
Notes
Air sensitive. Store in a cool place. Incompatible with bases, alkali, reducing agents and oxidizing agents.
Specifications
| Acetylenedicarboxylic acid | |
| ∼182°C (decomposition) | |
| C4H2O4 | |
| 100 g | |
| 878357 | |
| Soluble in diethyl ether and water. | |
| OC(=O)C#CC(O)=O | |
| 114.06 | |
| CHEBI:30781 | |
| 97% |
| 142-45-0 | |
| 131°C (267°F) | |
| MFCD00004362 | |
| UN2928 | |
| acetylenedicarboxylic acid, 2-butynedioic acid, butynedioic acid, acetylenedicarboxylate, unii-2d2oj4ko44, acetylenedicarboxylic acid 8ci, acetylendicarboxylate, hoocc=ccooh, acetylenedicarboxylicacid, pubchem13735 | |
| YTIVTFGABIZHHX-UHFFFAOYSA-N | |
| but-2-ynedioic acid | |
| 371 | |
| 114.06 |
Chemical Identifiers
| 142-45-0 | |
| 114.06 | |
| YTIVTFGABIZHHX-UHFFFAOYSA-N | |
| 371 | |
| but-2-ynedioic acid |
| C4H2O4 | |
| MFCD00004362 | |
| acetylenedicarboxylic acid, 2-butynedioic acid, butynedioic acid, acetylenedicarboxylate, unii-2d2oj4ko44, acetylenedicarboxylic acid 8ci, acetylendicarboxylate, hoocc=ccooh, acetylenedicarboxylicacid, pubchem13735 | |
| CHEBI:30781 | |
| OC(=O)C#CC(O)=O |
Safety and Handling
GHS H Statement
H300-H310-H330-H314-H318
Fatal if swallowed.
Fatal in contact with skin.
Fatal if inhaled.
Causes severe skin burns and eye damage.
Causes serious eye damage.
P261-P264b-P270-P271-P280-P301+P310-P302+P352-P304+P340-P305+P351+P338-P311-P312-P330-P332+P313-P361-P363-P501c
H301+H311+H331-H315-H319-H335
DOTInformation : Hazard Class: 6.1; Packaging Group: III
EINECSNumber : 205-536-0
TSCA : Yes
Recommended Storage : Keep cold
RUO – Research Use Only