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| IUPAC name : | chromen-2-one |
| InChI : | InChI=1/C9H6O2/c10-9-6-5-7-3-1-2-4-8(7)11-9/h1-6H |
| InChIKey : | ZYGHJZDHTFUPRJ-UHFFFAOYAC |
| SMILES : | C1=CC=C2C(=C1)C=CC(=O)O2 |
| (EINECS) number : | 202-086-7 |
| cas number : | 91-64-5 |
| beilstein number : | 0383644 |
| molar refractivity : | 39.76 ± 0.3 cm3 |
| parachor : | 305.6 ± 6.0 cm3 |
| index of refraction : | 1.594 ± 0.02 |
| surface tension : | 46.4 ± 3.0 dyne/cm |
| density : | 1.248 ± 0.06 g/cm3 |
| polarizability : | 15.76 ± 0.5 10-24cm3 |
| xlogp : | 1.80 |
| molecular weight : | 146.1427400 |
| formula : | C9 H6 O2 |
| BioActivity Analysis : | 74390 |
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| fda reg : | 189.130 |
h. number : | 2932.21.0000 |
| organoleptics : | |
| odor type : | tonka |
| odor strength : | medium , recommend smelling in a 10.00 % solution or less |
odor description : at 10.00 % in dipropylene glycol. | sweet hay tonka new mown hay |
| substantivity : | 364 hour(s) at 10.00 % in dipropylene glycol |
| properties : | |
| appearence : | white crystals |
| assay : | 99.00 - 100.00 %
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| Food Chemicals Codex Listed : | No |
| melting point : | 68.00 - 73.00 °C. @ 760.00 mm Hg
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| boiling point : | 297.00 - 301.00 °C. @ 760.00 mm Hg
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| boiling point : | 161.00 - 162.00 °C. @ 14.00 mm Hg
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| logp : | 1.39 |
| shelf life : | 24.00 month(s) or longer if stored properly. |
| storage : | store in cool, dry place in tightly sealed containers, protected from heat and light. |
| safety : | |
| most important hazard(s) : |
Xn - Harmful. |
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| Oral Toxicity(LD50) : |
Oral-Rat 293.00 mg/kg FCTXAV 12,385,1974
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| Dermal Toxicity(LD50) : |
Not determined
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| flash point ( Deg. F. ) : | > 230.00 °F. TCC ( > 110.00 °C. )
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| recommendation for coumarin usage levels up to : |
| | 8.0000 % in the fragrance concentrate.
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| recommendation for coumarin usage levels up to : |
| | not for flavor use.
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| safety links : | |
| msds : | msds |
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| (EINECS) number : | 202-086-7 |
| rtecs : | GN4200000 for 91-64-5 |
| chemidplus : | 000091645 |
| epa-srs : | 91-64-5 |
| dtp/nci : | 8774 |
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| other : | |
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C of A
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| references : | |
| pubchem : | 150090 |
| NIST Chemistry WebBook : | 1597822399 |
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