3-Hydroxy-2-methyl-4H-pyran-4-one CAS#: 118-71-8; ChemWhat Code: 74478
Names & Identifiers |
| Product Name | 3-Hydroxy-2-methyl-4H-pyran-4-one |
| Synonyms | 2-hydroxy-3-methyl-4H-pyran-4-one (maltol);2-Methyl pyromeconic acid;2-Methyl-3-hydroxy-.gamma.-pyranone;2-Methyl-3-hydroxy-4-pyrone;2-Methyl-3-hydroxy-gamma.-pyranone;2-Methyl-3-hydroxypyrone;2-Methyl-3-oxy-gamma-pyrone;2-Methylpromeconicacid |
| CAS Registry Number | 118-71-8 |
| Molecular Formula | C6H6O3 |
| Molecular Weight | 126.11 |
| EINECS | 204-271-8 |
| Other Registry Numbers | ; |
| More Identifiers on PubChem | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
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Chemical & Physical Properties |
| Melting point | 160-164 °C(lit.) |
| Boiling Point | 205 °C |
| Density | 1.046 g/mL at 25 °C |
| Refractive Index | n |
| FEMA | 2656 | MALTOL |
| Flash Point | 198 °F |
| Storage | Store below +30°C. |
| Solubulity | methanol: 50 mg/mL, clear |
| form | Liquid |
| Color | Clear Colorless |
| PH | 5.3 (0.5g/l, H2O) |
| Explosive Limit | 25% |
| Water Solubility | 1.2 g/100 mL (25 ºC) |
| Merck | 14,5713 |
| BRN | 112169 |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| NIST Chemistry Reference | 3-Hydroxy-2-methyl-4h-pyran-4-one(118-71-8) |
| EPA Substance Registry System | 4H-Pyran-4-one, 3-hydroxy-2-methyl-(118-71-8) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | Xn,Xi |
| R Phrase | 22-38-36/37/38-41-20/22 |
| S Phrase | 37-37/39-26-36-36/37/39-36/37 |
| RIDADR | UN 3334 |
| WGK Germany | 3 |
| RTECS | UQ1050000 |
| Hazard Note | Irritant |
| TSCA | Yes |
| HS Code | 29329995 |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
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