Names | |
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Preferred IUPAC name
4-Hydroxy-4-methylpentan-2-one | |
Other names
4-Hydroxy-4-methyl-2-pentanone; 4-Hydroxy-2-keto-4-methylpentane; Diacetone alcohol
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Identifiers | |
3D model (JSmol)
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1740440 | |
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.004.207 |
EC Number |
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PubChem CID
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RTECS number |
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UNII | |
UN number | 1148 |
CompTox Dashboard (EPA)
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Properties | |
C6H12O2 | |
Molar mass | 116.160 g·mol−1 |
Appearance | Colorless liquid |
Odor | Odorless |
Density | 0.938 g/cm3 |
Melting point | −47 °C (−53 °F; 226 K) |
Boiling point | 166 °C (331 °F; 439 K) |
moderate | |
Solubility | most organic solvents |
Refractive index (nD)
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1.4235 |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards
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Flammable |
GHS labelling: | |
Warning | |
H226, H319, H335 | |
P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P303+P361+P353, P304+P340, P305+P351+P338, P312, P337+P313, P370+P378, P403+P233, P403+P235, P405, P501 | |
Flash point | 52 °C; 125 °F; 325 K |
Explosive limits | 1.8–6.9%[1] |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose)
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4000 mg/kg (oral, rat) 4653 mg/kg (oral, rabbit) 3950 mg/kg (oral, mouse)[2] |
NIOSH (US health exposure limits): | |
PEL (Permissible)
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TWA 50 ppm (240 mg/m3)[1] |
Related compounds | |
Related compounds
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Acetone methyl isobutyl ketone |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Diacetone alcohol is an organic compound with the formula CH3C(O)CH2C(OH)(CH3)2, sometimes called DAA. This colorless liquid is a common synthetic intermediate used for the preparation of other compounds, and is also used as a solvent.[3]
Ull
was invoked but never defined (see the help page).