Dihydrocoumarin is also known as 1,2-benzodihydropyranone, Tonkamel, and Melilotine. Natural products exist in Melilotus officinalis. It has a coumarin-like aroma at room temperature and a nitrobenzene smell at high temperatures. It has a spicy taste. It is a colorless or light yellow viscous liquid, or leaf-shaped crystals. Relative molecular weight 148.17. Relative density 1.169 (18??C). Melting point 25??C. Boiling point 272??C, 145??C (2.400??103Pa). Refractive index 1.5563. Flash point 130??C. It is slightly soluble in water, soluble in ethanol and ether, and easily soluble in chloroform. Vapor irritates the skin, eyes and respiratory tract. The oral LD50 of rats is 1460mg/kg.
描述
Hydrocoumarin CAS# 119-84-6
| Dihydrocoumarin Basic information |
| Description?Sources |
| Product Name: | Dihydrocoumarin |
| Synonyms: | AKOS 222-08;Hydrocoumarin,6-methyl-4phenyl-3,4dihydro-6-methyl-4-phenyl-2h-benzopyran-2-one;Dihydrocoumarin 1g [119-84-6];Dihydrocoumarin,3,4-Dihydro-1-benzopyran-2-one, Benzodihydropyrone, Hydrocoumarin;DIHYDROCOUMARIN,3,4-(RG);3,4-dihydrobenzopyran-2-one;DIHYDROCOUMARIN FOR SYNTHESIS;DihydrocouMarin 99% |
| CAS: | 119-84-6 |
| MF: | C9H8O2 |
| MW: | 148.16 |
| EINECS: | 204-354-9 |
| Product Categories: | Coumarins |
| Mol File: | 119-84-6.mol |
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| Dihydrocoumarin Chemical Properties |
| Melting point | 24-25 ??C (lit.) |
| Boiling point | 272 ??C (lit.) |
| density | 1.169 g/mL at 25 ??C (lit.) |
| vapor pressure | 13.6kPa at 20?? |
| refractive index | n20/D?1.556(lit.) |
| FEMA | 2381 | DIHYDROCOUMARIN |
| Fp | >230???F |
| storage temp. | Sealed in dry,2-8??C |
| solubility | Chloroform, Methanol (Sparingly) |
| form | Solid |
| Specific Gravity | 1.169 |
| color | Colourless to Off-White |
| Odor | at 10.00 % in dipropylene glycol. sweet tonka coumarinic coconut herbal cinnamon balsamic |
| Odor Type | tonka |
| Water Solubility | insoluble |
| JECFA Number | 1171 |
| BRN | 4584 |
| LogP | 1.82 at 25?? |
| CAS DataBase Reference | 119-84-6(CAS DataBase Reference) |
| NIST Chemistry Reference | 2H-1-Benzopyran-2-one, 3,4-dihydro-(119-84-6) |
| EPA Substance Registry System | 3,4-Dihydrocoumarin (119-84-6) |
| Safety Information |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
| RTECS | MW5775000 |
| TSCA | Yes |
| HS Code | 29322980 |
| Hazardous Substances Data | 119-84-6(Hazardous Substances Data) |
| toxicity | The acute oral LD50?value in rats was reported as 1.65 g/kg (1.47-1.83 g/ kg) (Moreno, 1972a). The acute dermal LD50?value in rabbits was reported as > 5 g/kg (Moreno, 1972b). |
