Substance profile
2,6-dimethylheptan-4-one
2,6-dimethylheptan-4-one is a water clear liquid with a peppermint odor.
01 · Identification
What 2,6-dimethylheptan-4-one is
2,6-dimethylheptan-4-one is a water clear liquid with a peppermint odor. It boils at 169 °C, melts at -41.5 °C, is miscible with water.
Under the GHS it carries the signal word Warning. It is classed as flammable agents - 2nd degree.
Other names for 2,6-dimethylheptan-4-one
- di-isobutyl ketone
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
03 · Physical and chemical properties
2,6-dimethylheptan-4-one properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 169.4 °C (336.9 °F) | HSDB | |
| 167.78 °C (334 °F) | NIOSH | ||
| 166.11 °C (331 °F) | at 760 mmHg | CAMEO | |
| Melting point | -41.5 °C (-42.7 °F) | HSDB | |
| -41.67 °C (-43 °F) | NIOSH | ||
| -46.39 °C (-51.5 °F) | CAMEO | ||
| Density | 0.81 g/cm³ | NIOSH | |
| 0.8062 g/cm³ | at 20 °C | HSDB | |
| 0.8028 g/cm³ | at 20 °C | HSDB | |
| Solubility | Miscible with ethanol, ether; soluble in carbon tetrachloride | HSDB | |
| SOL IN CHLOROFORM | HSDB | ||
| Miscible with benzene | HSDB | ||
| Vapor pressure | 2 mmHg | NIOSH | |
| 2.4 mmHg | CAMEO | ||
| 1.65 mmHg | at 25 °C | HSDB | |
| Flash point | 48.89 °C (120 °F) | HSDB | |
| 60 °C (140 °F) | CAMEO | ||
| Autoignition temperature | 396.11 °C (745 °F) | HSDB | |
| 396 °C (744.8 °F) | ICSC | ||
| Lower explosive limit (LEL) | 0.8 % by volume | DOE PAC | |
| 0.8 % by volume | at 93.33 °C | HSDB | |
| 0.8 % by volume | at 100 °C | HSDB | |
| Upper explosive limit (UEL) | 7.1 % by volume | at 93.33 °C | HSDB |
| 6.2 % by volume | at 100 °C | HSDB | |
| Vapor density | 4.9 (air = 1) | HSDB | |
| Odor threshold | < 0.11 ppm | HSDB | |
| 3.1X10-1 ppm (recognition in air, purity not specified) | HSDB | ||
| Odor (high)= 1.8600 mg/cu m, odor (low)= 0.660 mg/cu m, irritating concn 150.00 mg/cu m. | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling 2,6-dimethylheptan-4-one
Storage conditions
MATERIALS WHICH ARE TOXIC AS STORED OR WHICH CAN DECOMPOSE INTO TOXIC COMPONENTS ... SHOULD BE STORED IN A COOL, WELL VENTILATED PLACE, OUT OF THE DIRECT RAYS OF THE SUN, AWAY FROM AREAS OF HIGH FIRE HAZARD, AND SHOULD BE PERIODICALLY INSPECTED. IMCOMPATIBLE MATERIALS SHOULD BE ISOLATED.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Reacts with oxidants. Attacks some forms of plastics.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
DIISOBUTYL KETONE may attack some plastics. It reacts with oxidizers. (NTP, 1992)
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check 2,6-dimethylheptan-4-one in the storage compatibility matrix →