Hexane-2,5-dione
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Not to be confused with Acetylacetone.
2,5-Hexanedione (Acetonylacetone) is an aliphatic diketone. It is a colorless liquid.[1] In humans, it is a toxic metabolite of hexane and of 2-hexanone.
Quick Facts Names, Identifiers ...
Names | |
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Preferred IUPAC name
Hexane-2,5-dione | |
Other names
1,2-Diacetylethane 'α','β'-Diacetylethane Acetonyl acetone Diacetonyl 2,5-Dioxohexane 2,5-Diketohexane 2,5-Hexanedione | |
Identifiers | |
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3D model (JSmol) |
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ChEBI | |
ChemSpider |
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ECHA InfoCard | 100.003.400 |
EC Number |
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PubChem CID |
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RTECS number |
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UNII | |
UN number | 1224 |
CompTox Dashboard (EPA) |
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Properties | |
C6H10O2 | |
Molar mass | 114.1438 g mol−1 |
Appearance | colorless liquid |
Density | 0.973 g cm−3, liquid |
Melting point | −5.5 °C (22.1 °F; 267.6 K) |
Boiling point | 191.4 °C (376.5 °F; 464.5 K) |
≥ 10 g/100 mL (22 °C) | |
-62.51·10−6 cm3/mol | |
Structure | |
trigonal planar at carbonyl tetrahedral elsewhere | |
Hazards | |
GHS labelling: | |
Warning | |
H315, H319, H373 | |
P260, P264, P280, P302+P352, P305+P351+P338, P314, P321, P332+P313, P337+P313, P362, P501 | |
Flash point | 78 °C (172 °F; 351 K) |
Related compounds | |
Related diketones |
acetylacetone |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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