DIETHYL-ALPHA, BETA-DI-KETONE
3,4-Hexanedione
CAS: 4437-51-8
Molecular Formula: C6H10O2
DIETHYL-ALPHA, BETA-DI-KETONE - Names and Identifiers
| Name | 3,4-Hexanedione |
| Synonyms | FEMA 3168 DIPROPIONYL Bipropionyl HEXANDION 3,4 3,4-Hexandion 3,4-Hexanedione 3,4-DIOXOHEXANE 3,4-HEXANEDIONE Hexane-3,4-dione DIETHYL-ALPHA, BETA-DI-KETONE |
| CAS | 4437-51-8 |
| EINECS | 224-651-7 |
| InChI | InChI=1/C6H10O2/c1-3-5(7)6(8)4-2/h3-4H2,1-2H3 |
DIETHYL-ALPHA, BETA-DI-KETONE - Physico-chemical Properties
| Molecular Formula | C6H10O2 |
| Molar Mass | 114.14 |
| Density | 0.939 g/mL at 25 °C (lit.) |
| Melting Point | -10 °C |
| Boling Point | 131 °C (lit.) |
| Flash Point | 88°F |
| JECFA Number | 413 |
| Water Solubility | 127 g/L (20 ºC) |
| Vapor Presure | 9.91mmHg at 25°C |
| Appearance | Transparent yellow liquid |
| Color | Clear yellow |
| BRN | 1700837 |
| Storage Condition | Sealed in dry,2-8°C |
| Refractive Index | n20/D 1.41(lit.) |
| MDL | MFCD00010237 |
| Physical and Chemical Properties | Yellow oily liquid, cream-like aroma, slightly unpleasant irritation. Melting Point -100 °c, boiling point 130 °c. Relative density (d420)0.946, refractive index (nD20)1.4110. A few insoluble in water, soluble in ethanol and oil, very soluble in propylene glycol. Flash point 27 °c. |
DIETHYL-ALPHA, BETA-DI-KETONE - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R10 - Flammable R36/38 - Irritating to eyes and skin. R20 - Harmful by inhalation |
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S16 - Keep away from sources of ignition. |
| UN IDs | UN 1224 3/PG 3 |
| WGK Germany | 1 |
| TSCA | Yes |
| HS Code | 29141900 |
| Hazard Class | 3 |
| Packing Group | III |
DIETHYL-ALPHA, BETA-DI-KETONE - Upstream Downstream Industry
| Downstream Products | 2,3-Diethylpyrazine 2,3-Diethyl-5-methylpyrazine |
DIETHYL-ALPHA, BETA-DI-KETONE - Reference Information
| FEMA | 3168 | 3,4-HEXANEDIONE |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxicity | GRAS(FEMA). |
| use limit | FEMA: soft drinks, cold drinks, candy, jelly, pudding, all 10.0 mg/kg. |
| use | GB 2760-1996 specified as allowed food spices. |
| Production method | After the condensation of ethyl propionate in the presence of sodium metal, the resulting glycerol-propionate is oxidized in the presence of copper acetate or ferric chloride. |
Last Update：2024-04-09 02:00:08
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