4-Methyl-2-pentanone
SIAL/02474 - analytical standard
Synonym: Isobutyl methyl ketone; Isopropylacetone; MIBK; Methyl isobutyl ketone
CAS Number: 108-10-1
Empirical Formula (Hill Notation): C6H12O
Molecular Weight: 100.16
EC Number: 203-550-1
MDL Number: MFCD00008938
Linear Formula: (CH3)2CHCH2COCH3
Product Type: Chemical
| application(s) | cleaning products cosmetics environmental flavors and fragrances food and beverages personal care |
| assay | ≥99.7% (GC) |
| autoignition temp. | 840 °F |
| bp | 117-118 °C |
| density | 0.801 g/mL at 25 °C (lit.) |
| expl. lim. | 1.2-8 %, 93 °F |
| format | neat |
| grade | analytical standard |
| InChI | 1S/C6H12O/c1-5(2)4-6(3)7/ |
| InChI key | NTIZESTWPVYFNL-UHFFFAOYSA |
| mp | −80 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| n |
|
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | CC(C)CC(C)=O |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable | |
| vapor density | 3.5 (vs air) |
| Application: | MBK may have been used as internal standard in GC/MS analysis for determining off-flavors in milk extracted using solid-phase microextraction, mass spectrometry, and multivariate analysis (SPME-MS-MVA). 4-Methyl-2-pentanone may be used as an analytical reference standard for the quantification of the analyte in hydro-alcoholic matrices using high-performance liquid chromatography with diode array detection. |
| General description: | 4-Methyl-2-pentanone (Methyl isobutyl ketone (MBK)) is an organic solvent widely used in various industrial applications, and exists as a clear colorless liquid with a pleasant odor. It is occasionally found as a volatile component of urine making it a biological marker of occupational exposure to this solvent. It is used as is used as a solvent for gums, resins, paints, varnishes, lacquers, and nitrocellulose. |
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| Symbol |   GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225 - H319 - H332 - H335 |
| Precautionary statements | P210 - P233 - P240 - P241 - P304 + P340 + P312 - P305 + P351 + P338 |
| Hazard Codes | F,Xn |
| Risk Statements | 11-20-36/37-66 |
| Safety Statements | 9-16-29 |
| RIDADR | UN1245 - class 3 - PG 2 - Methyl isobutyl ketone |
| WGK Germany | WGK 1 |
| Flash Point(F) | 57.2 °F - closed cup |
| Flash Point(C) | 14 °C - closed cup |
| Supplemental Hazard Statements | EUH066 |
| Purity | ≥99.7% (GC) |
| bp | 117-118 °C |
| mp | −80 °C (lit.) |
| Density | 0.801 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 41116107 |