4-Methylumbelliferone CAS#: 90-33-5; ChemWhat Code: 136744
Names & Identifiers |
| Product Name | 4-Methylumbelliferone |
| Synonyms | 2H-1-Benzopyran, 7-hydroxy-4-methyl-2-oxo-;2H-1-Benzopyran-2-one, 7-hydroxy-4-methyl-;2H-1-Benzopyren-2-one, 7-hydroxy-4-methyl-;4-Methylumbelliferon;4-Metylumbelliferone;7-hydroxy-4-methyl-2h-1-benzopyran-2-on;7-Hydroxy-4-methyl-2H-1-benzopyran-2-one;7-hydroxy-4-methyl-2h-1-benzopyren-2-on |
| CAS Registry Number | 90-33-5 |
| Molecular Formula | C10H8O3 |
| Molecular Weight | 176.17 |
| EINECS | 201-986-7 |
| Other Registry Numbers | ; |
| More Identifiers on PubChem | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
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Chemical & Physical Properties |
| Melting point | 188.5-190 °C(lit.) |
| Storage | -20°C Freezer |
| Solubulity | Solubility Practically insoluble in water; slightly soluble in ethanol, ether,chloroform; soluble inmethanol |
| pka | 7.79(at 25℃) |
| form | Crystalline Powder |
| Color | off-white to yellow |
| PH Range | Green 1 uorescent (0.0) to weak blue 1 uorescent (2.0);Weak blue 1 uorescent (6.5) blue 1 uorescent (8.0) |
| Water Solubility | slightly soluble |
| λmax | 221nm, 251nm, 322nm |
| Merck | 14,4854 |
| BRN | 142217 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Major Application | Color filter, electroluminescent displays, document security processes, lasers, integrated circuits, liquid crystal displays, surface brightening composition, oil products, teeth whitening agent, lysosomal enzyme assay, substrate for lipase, determining protein-protein-interactions in living cells, Antitrypanosomal, antileishmanial, anticancer, antiHIV, antimalarial, antibacterial, antifungal |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| NIST Chemistry Reference | Coumarin, 7-hydroxy-4-methyl-(90-33-5) |
| EPA Substance Registry System | 2H-1-Benzopyran- 2-one, 7-hydroxy-4-methyl-(90-33-5) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | Xi,Xn |
| R Phrase | 36/37/38-20/21/22 |
| S Phrase | 26-37/39-36 |
| WGK Germany | 2 |
| RTECS | GN7000000 |
| Hazard Note | Irritant |
| TSCA | Yes |
| 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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