4-Methyl-2-pentanone
CAS Number: 108-10-1
Chemical Formula: C6H12O
Synonyms:
4-METHYL-2-PENTANONE, FOR GC
4-METHYL-2-PENTANONE >=98.5% A.C.S. REAGENT
METHYL ISOBUTYL KETONE GC STANDARD
Appearance: Transparent Liquid
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
4-Methyl-2-pentanone has a pleasant odor. It can be produced through hydrogenation of mesityl oxide over nickel catalyst at 160–190°C. It is also obtained by oxidation of methyl isobutyl carbinol.
Parameters
| Property | Value |
| Melting point | -80 °C (lit.) |
| Boiling point | 117-118 °C |
| density | 0.801 g/mL at 25 °C (lit.) |
| vapor density | 3.5 (vs air) |
| vapor pressure | 15 mm Hg (20 °C) |
| refractive index | n20/D 1.395(lit.) |
| FEMA | 2731 | 4-METHYL-2-PENTANONE |
| Fp | 56 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | water: soluble 20g/L, soluble in alcohol, miscible with oils. Soluble in Propylene glycol and Glycerin. |
| form | Liquid |
| color | APHA: ≤15 |
| Specific Gravity | 0.80 |
| PH | 7 (20°C) |
| Odor | Pleasant; mild, characteristic; sharp; non-residual; ketonic. |
| Odor Threshold | 0.17ppm |
| biological source | synthetic |
| Odor Type | green |
| explosive limit | 1.2-8%, 93°F |
| Water Solubility | 17 g/L (20 ºC) |
| λmax | λ: 335 nm Amax: 1.00; λ: 340 nm Amax: 0.50; λ: 360 nm Amax: 0.15; λ: 380 nm Amax: 0.02; λ: 400 nm Amax: 0.01 |
| Merck | 14,5207 |
| JECFA Number | 301 |
| BRN | 605399 |
| Henry’s Law Constant | 2.56 at 25 °C (batch stripping method-GC, Kim et al., 2000) |
| Exposure limits | TLV-TWA 205 mg/m3 (50 ppm); STEL 300 mg/m3 (75 ppm) (ACGIH); IDLH 3000 ppm (NIOSH). |
| Dielectric constant | 13.0（Ambient） |
| Stability: | Volatile |
| Cosmetics Ingredients Functions | SOLVENT, PERFUMING, DENATURANT |
| LogP | 1.3-1.9 at 20℃ |
| CAS DataBase Reference | 108-10-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Methyl isobutyl ketone(108-10-1) |
| IARC | 2B (Vol. 101) 2013 |
| EPA Substance Registry System | Methyl isobutyl ketone (108-10-1) |
| ECETOC JACC REPORT | 4-Methyl-2-pentanone (108-10-1) |
Safety Information
| Item | Details |
| Hazard Codes | F,Xn,T |
| Risk Statements | 11-20-36/37-66-39/23/24/25-23/24/25 |
| Safety Statements | 9-16-29-45-36/37-7 |
| RIDADR | UN 1245 3/PG 2 |
| OEB | A |
| OEL | TWA: 50 ppm (205 mg/m3), STEL: 75 ppm (300 mg/m3) |
| WGK Germany | 1 |
| RTECS | SA9275000 |
| Autoignition Temperature | 840 °F |
| TSCA | TSCA listed |
| HS Code | 2914 13 00 |
| HazardClass | 3 |
| PackingGroup | II |
| Hazardous Substances Data | 108-10-1(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 2.08 g/kg (Smyth) |
| IDLA | 500 ppm |
Product Application
Methyl isobutyl ketone (hexone, isobutyl methyl ketone, 4-methyl-2-pentanone) is an organic solvent with structure and applications similar to methyl butyl ketone. Besides serving as a solvent for paints, lacquers, and varnishes, it is widely used in extraction processes and as a denaturant for rubbing alcohol. It also functions as a synthetic flavoring agent in certain types of rum, candy, and cheese. In contrast to methyl butyl ketone, 4-methyl-2-pentanone is not found in natural sources.
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