Methyl isobutyl ketone
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Methyl isobutyl ketone
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CAS No:
108-10-1
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Formula:
C6H12O
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Chemical Name:
Methyl isobutyl ketone
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Synonyms:
2-Pentanone,4-methyl-;4-Methyl-2-pentanone;Isobutyl methyl ketone;Methyl isobutyl ketone;2-Methyl-4-pentanone;MIBK;MIK;Hexone;4-Methyl-2-oxopentane;Isopropylacetone;2-Methylpropyl methyl ketone;Methyl iso-butyl ketone;Methyl 2-methylpropyl ketone;NSC 5712;ZMD-D;1338234-91-5
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CAS No:
Description
4-Methyl-2-pentanone has a fruity, ethereal, spicy (on dilution) odor. Methyl isobutyl ketone (MIBK) is a colorless liquid with a pleasant, sweet, fruity odor. The odor threshold can be as low as 0.10 ppm. It is 2% soluble in water by weight and with several other organic solvents. The lower explosive limit is 1.2% and the upper explosive limit is 8.0% at 200 °F. Methyl isobutyl ketone may be incompatible with strong oxidizers and potassium tert-butoxide.4-Methyl-2-pentanone has a pleasant odor
Characteristics
17.1
1.38
Clear liquid
0.8042 g/cm3 @ Temp: 20 °C
-85 °C
115.8 °C @ Press: 760 Torr
64°F
n 20/D 1.395(lit.)
water: soluble 20g/L
Conditions that could lead to autoxidation (presence of air, light, heat, or heavy metals) or condensation (strongly acidic or basic media) should be avoided during storage. Containers of V2A steel are recommended for both storage and transportation.
Vapour pressure, kPa at 20°C: 2.1
3.45
LD50 orally in rats: 2.08 g/kg (Smyth)
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
vol% in air: 1.4.5
Safety Information
II
3
UN1245 Methyl isobutyl ketone, Hazard Class: 3;Labels: 3-Flammable liquid.UN 1245 3/PG 2
1
11-20-36/37-66
9-16-29-45-36/37-7
SA9275000
F,Xn,T
Fireproof. Separated from strong oxidants. Well closed.
STABLE LIQUID
P201, P202, P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P281, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P312, P337+P313, P370+P378, P403+P233, P403+P235, P405, P501
H225
Methyl isobutyl ketone Use and Manufacturing
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.
MIBK is used as a solvent for gums, resins,nitrocellulose and cellulose ethers, and various fats, oils, and waxes. Methyl isobutyl ketone (hexone, isobutyl methyl ketone, 4-methyl-2-pentanone) is an organic solvent similar in structure and use to methyl butyl ketone. In addition to its use as a solvent for paints, lacquers, and varnishes, methyl isobutyl ketone is used in extraction processes and as a denaturant for rubbing alcohol. Methyl isobutyl ketone is also used as a synthetic flavoring
Computed Properties
Molecular Weight:100.16
XLogP3:1.3
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:2
Exact Mass:100.088815002
Monoisotopic Mass:100.088815002
Topological Polar Surface Area:17.1
Heavy Atom Count:7
Complexity:64.6
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
Price Analysis
- Data: 2026-07-22
- Price: 9300.00Yuan/mt
- Change: 0
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