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. |
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 |