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| CAS No.: | 2445-83-2 |
|---|---|
| Name: | 7-METHYLCOUMARIN |
| Molecular Structure: | |
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| Formula: | C10H8 O2 |
| Molecular Weight: | 160.172 |
| Synonyms: | Coumarin,7-methyl- (6CI,7CI,8CI); 7-Methyl-2H-1-benzopyran-2-one;7-Methyl-2H-chromen-2-one; 7-Methylchromen-2-one; 7-Methylcoumarin; NSC 19511 |
| Density: | 1.2g/cm3 |
| Melting Point: |
128-130 °C(lit.) |
| Boiling Point: |
171-172 °C11 mm Hg(lit.) |
| Flash Point: | 125.9°C |
| Risk Codes: | 23/24/25 |
| Safety: | Poison by subcutaneous route. Moderately toxic by ingestion. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes. |
| PSA: | 30.21000 |
| LogP: | 2.10140 |
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Chemistry
Molecular Structure of 7-Methylcoumarin (CAS NO.2445-83-2):
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IUPAC Name: 7-methylchromen-2-one
assay ≥98%
Empirical Formula: C10H8O2
Molecular Weight: 160.1693
Surface Tension: 44.2 dyne/cm
Density: 1.2 g/cm3
Flash Point: 125.9 °C
Enthalpy of Vaporization: 55.41 kJ/mol
Boiling Point: 313.1 °C at 760 mmHg
Vapour Pressure: 0.000508 mmHg at 25°C
Index of Refraction: 1.583
Product Categories:Coumarins;CoumarinsFluorescent Probes, Labels, Particles and Stains;Building Blocks;Fluorescent Labels;Heterocyclic Building Blocks;Other Fluorescent Labels
Packaging: 10, 50 g in glass btl
Synonyms of 7-Methylcoumarin (CAS NO.2445-83-2): Methylcoumarin,7- ; 7-Methylcoumarin ; 7-Methylcoumarin ; 7-methyl-2h-1-benzopyran-2-on ; 7-Methyl-2H-1-benzopyran-2-one ; 7-Methyl-2H-chromen-2-one;7-Methyl-chromen-2-one ; 7-methyl-coumari
Toxicity Data With Reference
| 1. | skn-rbt 500 mg/24H MLD | FCTOD7 Food and Chemical Toxicology. 20 (Suppl)(1982),747. | ||
| 2. | orl-rat LD50:3800 mg/kg | FCTOD7 Food and Chemical Toxicology. 20 (Suppl)(1982),747. | ||
| 3. | scu-mus LD50:258 mg/kg | YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. 76 (1956),168. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Poison by subcutaneous route. Moderately toxic by ingestion. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
Risk Statements：23/24/25
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.
Safety Statements 1-13-45
S1 :Keep locked up.
S13:Keep away from food, drink and animal foodstuffs.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
WGK Germany 2
RTECS GN7792100