Other grades of this product :
| Coumalic acid Basic information |
| Product Name: | Coumalic acid | | Synonyms: | 2-Oxo-2H-pyran-5-carboxylic acid, 2-Pyrone-5-carboxylic acid;6-Oxopyran-3-carboxylic acid;a-Pyrone-5-carboxylic acid;α-Pyrone-5-carboxylic acid;Coumalic acid, 5-Carboxy-2-pyrone;courMaric acid;2H-Pyran-5-carboxylic acid, 2-oxo;CouMalic acid 97% | | CAS: | 500-05-0 | | MF: | C6H4O4 | | MW: | 140.09 | | EINECS: | 207-899-0 | | Product Categories: | sy | | Mol File: | 500-05-0.mol |
| Coumalic acid Chemical Properties |
| Hazard Codes | Xi | | Safety Statements | 22-24/25 | | WGK Germany | 3 | | TSCA | Yes | | HS Code | 29322090 |
| Coumalic acid Usage And Synthesis |
| Chemical Properties | pale yellow to pale brown powder | | Uses | Coumalic acid undergoes thermal reaction with 1,3-butadiene to yield dimethyl tricycle[3.2.1.02,7]oct-3-ene-2,4-dicarboxylate. | | General Description | Decarboxylates to α-pyrone, a Diels-Alder diene. | | Purification Methods | The acid crystallises from MeOH. The methyl ester has m 73-74o (from pet ether) and b 178-180o/60 mm. [Beilstein 18/8 V 120.] |
| Coumalic acid Preparation Products And Raw materials |
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