4-METHYL-2,3-PENTANEDIONE
- Product Name
- 4-METHYL-2,3-PENTANEDIONE
- CAS No.
- 7493-58-5
- Chemical Name
- 4-METHYL-2,3-PENTANEDIONE
- Synonyms
- Nsc31666;FEMA 2730;ACETYL ISOBUTYRYL;4-methyl-3-pentanedione;4-METHYL-2,3-PENTANEDIONE;4-methylpentane-2,3-dione;4-Methyl-pentane-2,3-dione;2,3-Pentanedione,4-methyl-;2,3-Pentanedione, 4-methyl-
- CBNumber
- CB0210571
- Molecular Formula
- C6H10O2
- Formula Weight
- 114.14
- MOL File
- 7493-58-5.mol
4-METHYL-2,3-PENTANEDIONE Property
- FEMA
- 2730 | 4-METHYL-2,3-PENTANEDIONE
- Odor
- at 1.00 % in dipropylene glycol. sweet fruity buttery creamy fatty
- Odor Type
- buttery
- JECFA Number
- 411
- LogP
- -0.45
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H226Flammable liquid and vapour
H317May cause an allergic skin reaction
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P272Contaminated work clothing should not be allowed out of the workplace.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P321Specific treatment (see … on this label).
P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.
P363Wash contaminated clothing before reuse.
P501Dispose of contents/container to..…
4-METHYL-2,3-PENTANEDIONE Chemical Properties,Usage,Production
Description
4-Methyl-2,3-pentanedione has a characteristic pungent odor. This may be prepared from isonitroso methyl isobutyl ketone by treatment with concentrated H2S04; other methods employ mesityl oxide as the starting material.
Occurrence
Reported found in coffee, beer, avocado, malt and krill.
Definition
ChEBI: 4-Methyl-2,3-pentanedione is an alpha-diketone.
Preparation
Prepared from isonitroso methyl isobutyl ketone by treatment with concentrated H2SO4; other methods employ mesityl oxide as the starting material
Taste threshold values
Taste characteristics at 80 ppm: sweet, creamy, fruity, buttery, with a cooked estry nuance.