2-Methyl-3-pentanone
Pharmaceutical Materials 2025-03-02
CAS Number: 565-69-5
Molecular Formula: C6H12O
Molecular Weight: 100.16 g/mol
Appearance: Colorless to light yellow transparent liquid
Boiling Point: 113 °C (lit.)
Density: 0.811 g/mL at 25 °C
Usage: Mainly used as a solvent and intermediate in dyes, pharmaceuticals, pesticides, textiles, paints, and mineral processing.
| Attribute | Information |
|---|---|
| Chemical Name | 2-Methyl-3-pentanone |
| Synonyms | Isobutyl acetone, 4-Methyl-2-pentanone, MIBK |
| CAS Number | 108-10-1 |
| Molecular Formula | C6H12O |
| Molecular Weight | 100.16 g/mol |
| Physical State | Colorless to slightly yellow liquid with a characteristic odor |
| Density | 0.805 g/mL at 25°C |
| Boiling Point | 115.9°C |
| Refractive Index | 1.406-1.408 |
| Flash Point | 22°C (closed cup) |
| Solubility | Miscible with organic solvents, slightly soluble in water |
| Chemical Properties | Ketone; undergoes typical ketone reactions such as addition, condensation, and oxidation |
| Applications | Solvent in paints, coatings, and inks; intermediate in the production of pharmaceuticals, pesticides, and plastics |
| Hazard Classification | Flammable liquid, harmful if swallowed or inhaled, may cause skin and eye irritation |
| Safety Precautions | Store in a cool, dry, well-ventilated area, keep away from heat, sparks, and open flames, wear appropriate protective clothing and eye/face protection |
| Disposal | Dispose of in accordance with local regulations and guidelines for hazardous waste |
Names and Identifiers
| Name | 2-Methyl-3-pentanone |
| Synonyms | iso-C3H7COC2H5 2-Methyl-3-pentanal 2-Methylpentan-3-one 2-Methyl-3-pentanone 4-METHYL-3-PENTANONE Isopropylethylketone 3-Pentanone,2-methyl- 2-methyl-pentan-3-one Isopropyl ethyl ketone 3,3,5,5-tetramethylheptan-4-one |
| CAS | 565-69-5 |
| EINECS | 209-288-4 |
| InChI | InChI=1/C11H22O/c1-7-10(3,4)9(12)11(5,6)8-2/h7-8H2,1-6H3 |
565-69-5 – Physico-chemical Properties
| Molecular Formula | C6H12O |
| Molar Mass | 100.16 |
| Density | 0.811 g/mL at 25 °C (lit.) |
| Melting Point | 116.5-118℃ |
| Boling Point | 113 °C (lit.) |
| Flash Point | 57°F |
| Water Solubility | 14.97g/L(25 ºC) |
| Vapor Presure | 0.487mmHg at 25°C |
| Appearance | clear liquid |
| Color | Colorless to Yellow to Green |
| BRN | 1698849 |
| Refractive Index | n20/D 1.397(lit.) |
| Physical and Chemical Properties | colorless liquid |
| Use | Mainly used as dye intermediates, and can be used in medicine, pesticide, textile, paint, mineral processing and other industries, as a solvent, also used in plastics and Organic synthesis |
565-69-5 – Risk and Safety
| Hazard Symbols | F – Flammable |
| Risk Codes | 11 – Highly Flammable |
| Safety Description | S9 – Keep container in a well-ventilated place. S16 – Keep away from sources of ignition. S23 – Do not breathe vapour. S33 – Take precautionary measures against static discharges. |
| UN IDs | UN 1224 3/PG 2 |
| WGK Germany | 3 |
| Hazard Class | 3.1 |
| Packing Group | II |
565-69-5 – Reference Information
| Application | is mainly used as dye intermediate, and can be used in medicine, pesticide, textile, paint, mineral processing and other industries, used as solvent, also used in plastics and organic synthesis |
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