DIACETYL

Details

Stereochemistry	ACHIRAL
Molecular Formula	C4H6O2
Molecular Weight	86.0892
Optical Activity	NONE
Defined Stereocenters	0 / 0
E/Z Centers	0
Charge	0

SHOW SMILES / InChI

Structure Search

SMILES

CC(=O)C(C)=O

InChI

InChIKey=QSJXEFYPDANLFS-UHFFFAOYSA-N

InChI=1S/C4H6O2/c1-3(5)4(2)6/h1-2H3

HIDE SMILES / InChI

Molecular Formula	C4H6O2
Molecular Weight	86.0892
Charge	0
Count

Stereochemistry	ACHIRAL
Additional Stereochemistry	No
Defined Stereocenters	0 / 0
E/Z Centers	0
Optical Activity	NONE

Approval Year

PubMed

Title	Date	PubMed
Quality and flavour stability of coffee substitute prepared by extrusion of wheat germ and chicory roots.	2008-02	17136511
Identification of characteristic aroma components of Thai fried chili paste.	2008-01-23	18163558
Methylglyoxal and other carbohydrate metabolites induce lanthanum-sensitive Ca2+ transients and inhibit growth in E. coli.	2007-12-01	17961498
Determination of glyoxal and methylglyoxal in the serum of diabetic patients by MEKC using stilbenediamine as derivatizing reagent.	2007-11	17924366
Influence of additives on the properties of Bis-GMA/Bis-GMA analog comonomers and corresponding copolymers.	2007-10	17178149
Kinetic analysis of volatile formation in milk subjected to pressure-assisted thermal treatments.	2007-09	17995641
Evaluation of the contact and respiratory sensitization potential of volatile organic compounds generated by simulated indoor air chemistry.	2007-06	17347135
Volatile organic compounds from feces and their potential for diagnosis of gastrointestinal disease.	2007-06	17314143
Predicting olfactory receptor neuron responses from odorant structure.	2007-05-04	17880742
Diketone radical cations: ketonic and enolic forms as revealed by matrix EPR studies and DFT calculations.	2007-05-03	17428039
Changes in color and odorant compounds during oxidative aging of Pedro Ximenez sweet wines.	2007-05-02	17402744
Instrumental and sensory characterization of heat-induced odorants in aseptically packaged soy milk.	2007-04-18	17373812
Sensitized phosphorescence studies of p-xylene+biacetyl system, an optical antenna.	2007-04	16968675
Poly-beta-hydroxybutyrate accumulation in Nostoc muscorum: effects of metabolic inhibitors.	2007-03	16542751
Purification and characterization of alcohol dehydrogenase reducing N-benzyl-3-pyrrolidinone from Geotrichum capitatum.	2007-02	17368401
Photoinduced generation of 2,3-butanedione from riboflavin.	2007-01-10	17199329
Effects of high pressure treatment on volatile profile during ripening of ewe milk cheese.	2007-01	17183081
Use of the arginine-specific butanedione/phenylboronic acid tag for analysis of peptides and protein digests using matrix-assisted laser desorption/ionization mass spectrometry.	2007	17340573
Volatile metabolite production of spoilage micro-organisms on a mixed-lettuce agar during storage at 7 degrees C in air and low oxygen atmosphere.	2006-11-01	16860421
Synthesis and crystal structure of some transition metal complexes with a novel bis-Schiff base ligand and their antitumor activities.	2006-09	16782235
Triplet-triplet energy transfer from naphthalene to biacetyl in the vapor phase.	2006-09	16488183
Studies on poly-beta-hydroxybutyrate synthase activity of Nostoc muscorum.	2006-08	17116969
Solid-phase microextraction: investigation of the metabolism of substances that may be abused by inhalation.	2006-08	16925936
Characterization of the Enterobacteriaceae isolated from an artisanal Italian ewe's cheese (Pecorino Abruzzese).	2006-08	16882142
Generation of mono- and bis-dioxiranes from 2,3-butanedione.	2006-07-21	16839169
Characterisation of lactic acid bacteria isolated from fermented milk "laban".	2006-07-01	16701913
Specific modification of peptide-bound citrulline residues.	2006-05-01	16540076
Piezoelectric biosensor using olfactory receptor protein expressed in Escherichia coli.	2006-04-15	16297612
Quantitative determination of thermally derived off-flavor compounds in milk using solid-phase microextraction and gas chromatography.	2005-11	16230682
Wound healing ability of Xenopus laevis embryos. II. Morphological analysis of wound marginal epidermis.	2005-10	16287487
Influence of rearing conditions on the volatile compounds of cooked fillets of Silurus glanis (European catfish).	2005-09-07	16131131
A C2-symmetric nickel diamine complex as an asymmetric catalyst for enecarbamate additions to butane-2,3-dione.	2005-08-21	16186919
Enhancing alpha-tocopherol and linoleic acid in ewe's milk by feeding emulsified sunflower oil and DL-alpha-tocopheryl acetate in a chemically treated protein matrix.	2005-08-10	16076135
Functional probing of arginine residues in proteins using mass spectrometry and an arginine-specific covalent tagging concept.	2005-07-15	16013863
p-Hertz excitation spectroscopy of an optical antenna, optical transmitter-receiver mechanism.	2005-07	15911399
Solid-phase capture and release of arginine peptides by selective tagging and boronate affinity chromatography.	2005-06-24	16038304
Reactivity of epicatechin in aqueous glycine and glucose maillard reaction models: quenching of C2, C3, and C4 sugar fragments.	2005-05-18	15884850
Radiative electronic energy transfer-time studies of naphthalene-biacetyl system by one and two-photon excitation, and optical antenna mechanism.	2005-04	15741104
Modeling the competitive dissociation of protonated 2,3-butanedione. The enthalpy of formation of methylhydroxycarbene.	2005-03-17	16838989
Interleukin-18 primes the oxidative burst of neutrophils in response to formyl-peptides: role of cytochrome b558 translocation and N-formyl peptide receptor endocytosis.	2005-03	15753257
Aroma analysis of light-exposed milk stored with and without natural and synthetic antioxidants.	2005-03	15738221
Halothane and isoflurane do not directly interact with cardiac cross-bridge function.	2005-02	15681952
Polymodal sensory function of the Caenorhabditis elegans OCR-2 channel arises from distinct intrinsic determinants within the protein and is selectively conserved in mammalian TRPV proteins.	2005-01-26	15673683
Titin isoform-dependent effect of calcium on passive myocardial tension.	2004-12	15548726
Effects of 1,3-butadiene, isoprene, and their photochemical degradation products on human lung cells.	2004-11	15531432
Monitoring conformational rearrangements in the substrate-binding site of a membrane transport protein by mass spectrometry.	2004-10-01	15272008
Evidence for the involvement of arginyl residue at the active site of penicillin G acylase from Kluyvera citrophila.	2004-10	15604805
Mechanochemical coupling of two substeps in a single myosin V motor.	2004-09	15286720
Aroma extract dilution analysis of cv. Meeker (Rubus idaeus L.) red raspberries from Oregon and Washington.	2004-08-11	15291490
Proton-transfer-reaction mass spectrometry as a new tool for real time analysis of root-secreted volatile organic compounds in Arabidopsis.	2004-05	15141066

Patents

Substance Class	Chemical Created by `admin` on `Mon Mar 31 17:49:24 GMT 2025` Edited by `admin` on `Mon Mar 31 17:49:24 GMT 2025`
Record UNII	K324J5K4HM
Record Status	`Validated (UNII)`
Record Version

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Name

Type

Language

FEMA NO. 2370

Preferred Name

English

DIACETYL

Common Name

English

2,3-BUTANEDIONE

Systematic Name

English

DIACETYL [HSDB]

Common Name

English

NSC-8750

Code

English

DIMETHYL DIKETONE

Systematic Name

English

DIACETYL [MI]

Common Name

English

BIACETYL

Systematic Name

English

BUTANEDIONE

Systematic Name

English

DIACETYL [FHFI]

Common Name

English

DIACETYL [FCC]

Common Name

English

Classification Tree Code System Code

CFR

21 CFR 184.1278