Names | |
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Preferred IUPAC name
4-Hydroxy-6-methyl-2H-pyran-2-one | |
Other names
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Identifiers | |
CAS Number
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3D model (JSmol)
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ChEBI |
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ChemSpider |
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ECHA InfoCard | 100.010.564 |
EC Number |
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PubChem CID
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UNII |
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CompTox Dashboard (EPA)
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InChI
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SMILES
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Properties | |
Chemical formula
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C6H6O3 |
Molar mass | 126.12 g mol−1 |
Appearance | light yellow crystal powder |
Density | 1.348 g cm−3 |
Melting point | 188 to 190 °C (370 to 374 °F; 461 to 463 K) |
Boiling point | 285.9 °C (546.6 °F; 559.0 K) |
Solubility in water
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8.60 g L-1 at 20°C in H2O |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards
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Moderately Toxic |
GHS labelling: | |
Pictograms
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Signal word
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Warning |
Hazard statements
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H315, H319, H335 |
Precautionary statements
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P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 |
Flash point | 127.9 °C (262.2 °F; 401.0 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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Triacetic acid lactone (TAL;[1] 4-hydroxy-6-methyl-2-pyrone) is an organic compound derived enzymatically from glucose. It is a light yellow solid that is soluble in organic solvents.