CAS No.: 108-10-1 Formula: C6H12O Molecular Weight: 100.15900
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CAS No.: 108-10-1 Formula: C6H12O Molecular Weight: 100.15900
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Methyl isobutyl ketone (MIBK) is the organic compound with the formula (CH3)2CHCH2C(O)CH3. This colourless liquid, a ketone, is used as a solvent for gums, resins, paints, varnishes, lacquers, and nitrocellulose.

Basic Info

Chemical Name 4-Methyl-2-pentanone

4-methylpentan-2-one; 2-Pentanone, 4-methyl-; Methyl Isobutyl Ketone; 4-Methyl-2-pe; Isopropylacetone; Isobutyl methyl ketone; Expand

CAS No. 108-10-1
Molecular Formula C6H12O
Molecular Weight 100.15900
PSA 17.07000
LogP 1.62150

Numbering system

MDL number MFCD00008938
RTECS number SA9275000
EINECS number 203-550-1
BRN number 605399
PubChem number 24857648


Appearance & Physical State Clear liquid
Density 0.7978
Boiling Point 117.4ºC
Melting Point -84ºC
Flash Point 14ºC
Refractive Index 1.395-1.397
Water Solubility 17 g/L (20 ºC)
Storage Condition 2-8ºC
Vapor Density 3.5 (vs air)
Vapor Pressure 15 mm Hg ( 20 °C)

Safety Info

RTECS SA9275000
Hazard Class 3
Safety Statements S16-S29-S9
HS Code 2914130000
Packing Group II
WGK Germany 1
Risk Statements R11; R20; R36/37; R66
Hazard Codes F
Caution Statement P210; P261; P305 + P351 + P338
Supplemental Hazard Statements Repeated exposure may cause skin dryness or cracking.
Hazard Declaration H225; H319; H332; H335
Symbol GHS02, GHS07
Signal Word Danger
1H NMR : 400 MHz in CDCl3Expand

NMR Spectrum 1H NMR : 400 MHz in CDCl3


C6 H12 O 0.05 ml : 0.5 ml CDCl3

Assign. Shift(ppm)
A 2.312
B 2.133
C 2.123
D 0.926

IR : liquid filmExpand
Mass spectrum (electron ionization)Expand
Raman : 4880 A,200 M,liquidExpand
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