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Acetylenedicarboxylic acid, 97%

Catalog No. AAA1873622
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Catalog No. AAA1873622 Supplier Thermo Scientific Chemicals Supplier No. A1873622
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Description

CAS: 142-45-0 | C4H2O4 | 114.06 g/mol

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.

Applications
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.

Solubility
Soluble in diethyl ether and water.

Notes
Air sensitive. Store in a cool place. Incompatible with bases, alkali, reducing agents and oxidizing agents.

Chemical Identifiers

CAS 142-45-0
Molecular Formula C4H2O4
Molecular Weight (g/mol) 114.06
MDL Number MFCD00004362
InChI Key YTIVTFGABIZHHX-UHFFFAOYSA-N
Synonym acetylenedicarboxylic acid, 2-butynedioic acid, butynedioic acid, acetylenedicarboxylate, unii-2d2oj4ko44, acetylenedicarboxylic acid 8ci, acetylendicarboxylate, hoocc=ccooh, acetylenedicarboxylicacid, pubchem13735
PubChem CID 371
ChEBI CHEBI:30781
IUPAC Name but-2-ynedioic acid
SMILES OC(=O)C#CC(O)=O

Specifications

Melting Point ∼182°C (decomposition)
Flash Point 131°C (267°F)
Quantity 100 g
UN Number UN2928
Beilstein 878357
Solubility Information Soluble in diethyl ether and water.
Formula Weight 114.06
Percent Purity 97%
Chemical Name or Material Acetylenedicarboxylic acid

Safety and Handling

Hazard Category H301+H311+H331-H315-H319-H335
Hazard Statement 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.
Precautionary Statement P261-P264b-P270-P271-P280-P301+P310-P302+P352-P304+P340-P305+P351+P338-P311-P312-P330-P332+P313-P361-P363-P501c
DOTInformation Hazard Class: 6.1; Packaging Group: III
EINECSNumber 205-536-0
TSCA Yes
Recommended Storage Keep cold

RUO – Research Use Only