| send us an inquiry |
| LC2678 Dihydrocoumarin for synthesis |
| Order number | Packaging | Quantity | Price € |
| AC29678 | Glass bottle | 100 ml | 28.60 |
| Product information | |
| Synonyms | 3,4-Dihydro-2H-1-benzopyran-2-one |
| Hill Formula | C9H8O2 |
| HS Code | 2932 29 85 |
| EC number | 204-354-9 |
| Molar mass | 148.16 g/mol |
| CAS number | 119-84-6 |
| Chemical and physical data | |
| Solubility | (20 °C) practically insoluble |
| Melting point | 19 °C |
| Molar mass | 148.16 g/mol |
| Density | 1.19 g/cm3 (20 °C) |
| Boiling point | 272 °C (1013 hPa) |
| Vapor pressure | < – 0.1 hPa (20 °C) |
| Flash point | 117 °C |
| Refractive index | 1.5528 (25 °C, 589 nm) |
| Safety information | |
| R Phrase | R 22-43 Harmful if swallowed.May cause sensitization by skin contact. |
| S Phrase | S 24/25-37 Avoid contact with skin and eyes.Wear suitable gloves. |
| Categories of danger | harmful, sensitizing |
| Hazard Symbol |  Harmful |
| Storage class | 10 Combustible liquids not in Storage Class 3 |
| WGK | WGK 1 slightly water endangering |
| Disposal | 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
| Toxicological data | |
| LD 50 oral | LD50 rat 1460 mg/kg |
| LD 50 dermal | LD50 rabbit > 5000 mg/kg |
| Specifications | |
| Assay (GC, area%) | ≥ 99 % |
| Density (d 20 °C/ 4 °C) | 1.189 – 1.191 |
| Identity (IR) | passes test |
 |