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Category:natural substances and extractives
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Physical Properties:
| Appearance: | colorless clear liquid (est) |
| Assay: | 95.00 to 100.00
|
| Food Chemicals Codex Listed: | No |
| Specific Gravity: | 0.84000 to 0.85800 @ 20.00 °C.
|
| Pounds per Gallon - (est).: | 6.998 to 7.148
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| Refractive Index: | 1.41200 to 1.41900 @ 20.00 °C.
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| Melting Point: | -81.00 °C. @ 760.00 mm Hg
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| Boiling Point: | 68.40 °C. @ 760.00 mm Hg
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| Boiling Point: | 67.00 to 68.00 °C. @ 760.00 mm Hg (est)
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| Vapor Pressure: | 155.000000 mmHg @ 25.00 °C. |
| Vapor Density: | 2.4 ( Air = 1 ) |
| Flash Point: | 35.00 °F. TCC ( 1.67 °C. )
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| logP (o/w): | 0.681 (est) |
| Soluble in: |
| | water, 5.00E+04mg/L @ 20 °C (exp) |
Organoleptic Properties:
| Odor Type: floral |
| hyacinth foliage green |
| Odor Description:at 0.01 % in dipropylene glycol. wild hyacinth foliage |
| Odor and/or flavor descriptions from others (if found). |
Cosmetic Information:
Suppliers:
Safety Information:
| Preferred SDS: View |
| |
| Hazards identification |
| |
| Classification of the substance or mixture |
| GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) |
| None found. |
| GHS Label elements, including precautionary statements |
| |
| Pictogram | |
| |
| Hazard statement(s) |
| None found. |
| Precautionary statement(s) |
| None found. |
| Oral/Parenteral Toxicity: |
oral-rat LD50 140 mg/kg
Union Carbide Data Sheet. Vol. 7/21/1965
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| Dermal Toxicity: |
skin-rabbit LD50 430 ul/kg
Journal of Industrial Hygiene and Toxicology. Vol. 31, Pg. 60, 1949.
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| Inhalation Toxicity: |
inhalation-rat LCLo 125 ppm/4H
Journal of Industrial Hygiene and Toxicology. Vol. 31, Pg. 343, 1949.
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Safety in Use Information:
| Category: | | natural substances and extractives |
| Recommendation for methacrolein usage levels up to: | | | not for fragrance use.
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| |
| Recommendation for methacrolein flavor usage levels up to: |
| | not for flavor use.
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Safety References:
European Food Safety Authority (EFSA) reference(s):
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List of apha, beta-Unsaturated Aldehydes and Ketones representative of FGE.19 substances for Genotoxicity Testing [1] - Statement of the Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
View page or View pdf
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Flavouring Group Evaluation 201: 2-Alkylated aliphatic acyclic alpha,beta-unsaturated aldehydes and precursors with or without additional double bonds from chemical subgroup 1.1.2 of FGE.19[1]
View page or View pdf
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Scientific Opinion on Flavouring Group Evaluation 201 Revision 1 (FGE.201Rev1): 2-Alkylated, aliphatic, acyclic alpha,beta-unsaturated aldehydes and precursors, with or without additional double-bonds, from chemical subgroup 1.1.2 of FGE.19.
View page or View pdf
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| EPI System: View |
| NIOSH International Chemical Safety Cards:search |
| Chemical Carcinogenesis Research Information System:Search |
| AIDS Citations:Search |
| Cancer Citations:Search |
| Toxicology Citations:Search |
| EPA Substance Registry Services (TSCA):78-85-3 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :6562 |
| National Institute of Allergy and Infectious Diseases:Data |
| WGK Germany:3 |
| 2-methylprop-2-enal |
| Chemidplus:0000078853 |
| EPA/NOAA CAMEO:hazardous materials |
| RTECS:78-85-3 |
References:
Other Information:
Potential Blenders and core components note
Potential Uses:
Occurrence (nature, food, other): note
Synonyms:
| | acrolein, 2-methyl- | | | acrylaldehyde, methyl- | | iso | butenal | | | methacryl aldehyde | | | methacrylaldehyde | | | methacrylaldehyde, inhibited [UN2396] [Flammable liquid] | | | methacrylic aldehyde | | | methyl acrolein | | 2- | methyl acrolein | | alpha- | methyl acrolein | | | methyl acryl aldehyde | | 2- | methyl propenal | | 2- | methyl-2-propenal | | 2- | methyl-propenal | | 2- | methylacrolein | | | methylacrylaldehyde | | 2- | methylacrylaldehyde | | 2- | methylene propanal | | 2- | methylenepropanal | | 2- | methylprop-2-enal | | 2- | methylpropenal | | 2- | propenal, 2-methyl- |
Articles:
| Info:Volatile Flavor Components in Bogyojosaeng and Suhong Cultivars of Strawberry (Fragaria ananassa Duch.) |
| PubMed:Photocatalysis of sub-ppm limonene over multiwalled carbon nanotubes/titania composite nanofiber under visible-light irradiation. |
| PubMed:Application of chemical vapor generation systems to deliver constant gas concentrations for in vitro exposure to volatile organic compounds. |
| PubMed:Inhalable constituents of thirdhand tobacco smoke: chemical characterization and health impact considerations. |
| PubMed:OH-Initiated Photooxidations of 1-Pentene and 2-Methyl-2-propen-1-ol: Mechanism and Yields of the Primary Carbonyl Products. |
| PubMed:Hydrogen peroxide enhances the oxidation of oxygenated volatile organic compounds on mineral dust particles: a case study of methacrolein. |
| PubMed:Ethanol, isobutanol, and biohydrocarbons as gasoline components in relation to gaseous emissions and particulate matter. |
| PubMed:Atmospheric reaction of Cl + methacrolein: a theoretical study on the mechanism, and pressure- and temperature-dependent rate constants. |
| PubMed:Enantioselective ruthenium-catalyzed 1,3-dipolar cycloadditions between C-carboalkoxy ketonitrones and methacrolein: solvent effect on reaction selectivity and its rational. |
| PubMed:Atmospheric aqueous phase radical chemistry of the isoprene oxidation products methacrolein, methyl vinyl ketone, methacrylic acid and acrylic acid--kinetics and product studies. |
| PubMed:Emissions of putative isoprene oxidation products from mango branches under abiotic stress. |
| PubMed:Half-sandwich rhodium and iridium complexes containing homochiral imidazolyl-imine ligands: synthesis, characterization and catalytic applications. |
| PubMed:Epoxide as a precursor to secondary organic aerosol formation from isoprene photooxidation in the presence of nitrogen oxides. |
| PubMed:Formation of dimethylketene and methacrolein by reaction of the CH radical with acetone. |
| PubMed:Quantum chemical study of Diels-Alder reactions catalyzed by Lewis acid activated oxazaborolidines. |
| PubMed:Sulfate radical-initiated formation of isoprene-derived organosulfates in atmospheric aerosols. |
| PubMed:Investigating the impact of aqueous-phase chemistry and wet deposition on organic aerosol formation using a molecular surrogate modeling approach. |
| PubMed:Racing carbon atoms. Atomic motion reaction coordinates and structural effects on Newtonian kinetic isotope effects. |
| PubMed:Scanning tunneling microscopy study of nano-structured polyatom-substituted H4PW11M1O40 Keggin and H7P2W17M1O62 (M = Nb, Ta) Wells-Dawson heteropolyacid catalysts. |
| PubMed:Reaction of methacrolein with the hydroxyl radical in air: incorporation of secondary O2 addition into the MACR + OH master equation. |
| PubMed:Branching ratios for the reaction of selected carbonyl-containing peroxy radicals with hydroperoxy radicals. |
| PubMed:Atmospheric fate of methacrolein. 2. Formation of lactone and implications for organic aerosol production. |
| PubMed:Atmospheric fate of methacrolein. 1. Peroxy radical isomerization following addition of OH and O2. |
| PubMed:Measurements of secondary organic aerosol formed from OH-initiated photo-oxidation of isoprene using online photoionization aerosol mass spectrometry. |
| PubMed:New types of reactivity of α,β-unsaturated N,N-dimethylhydrazones: chemodivergent diastereoselective synthesis of functionalized tetrahydroquinolines and hexahydropyrrolo[3,2-b]indoles. |
| PubMed:Mukaiyama-Michael reactions with acrolein and methacrolein: a catalytic enantioselective synthesis of the C17-C28 fragment of pectenotoxins. |
| PubMed:The overall reaction process of ozone with methacrolein and isoprene in the condensed phase. |
| PubMed:A VUV photoionization mass spectrometric study on the OH-initiated photooxidation of isoprene with synchrotron radiation. |
| PubMed:Direct detection of isoprene photooxidation products by using synchrotron radiation photoionization mass spectrometry. |
| PubMed:Uptake of methacrolein into aqueous solutions of sulfuric acid and hydrogen peroxide. |
| PubMed:Nanostructured H(3+x)PW(12-x)NbxO40 (x = 0-3) Keggin heteropolyacid catalysts. |
| PubMed:Denuder sampling techniques for the determination of gas-phase carbonyl compounds: a comparison and characterisation of in situ and ex situ derivatisation methods. |
| PubMed:[Level and characteristics of indoor air pollutants in a furniture mall in Beijing]. |
| PubMed:Radical dependence of the yields of methacrolein and methyl vinyl ketone from the OH-initiated oxidation of isoprene under NO(x)-free conditions. |
| PubMed:Quantitative determination of biogenic volatile organic compounds in the atmosphere using proton-transfer reaction linear ion trap mass spectrometry. |
| PubMed:Uptake of methacrolein and methyl vinyl ketone by tree saplings and implications for forest atmosphere. |
| PubMed:Quantum chemical study of the acrolein (CH2CHCHO) + OH + O2 reactions. |
| PubMed:Kinetics and mechanism of the reaction of methacrolein with chlorine atoms in 1-950 Torr of N2 or N2/O2 diluent at 297 K. |
| PubMed:Aluminium complexes derived from tridentate thioetherbis(phenolate) ligands and their activity in Diels-Alder catalysis. |
| PubMed:Comparison of carcinogen, carbon monoxide, and ultrafine particle emissions from narghile waterpipe and cigarette smoking: Sidestream smoke measurements and assessment of second-hand smoke emission factors. |
| PubMed:Heterogeneous reactions of methacrolein and methyl vinyl ketone on α-Al2O3 particles. |
| PubMed:Chemical composition and size distribution of secondary organic aerosol formed from the photooxidation of isoprene. |
| PubMed:Reactive intermediates revealed in secondary organic aerosol formation from isoprene. |
| PubMed:Quantum chemistry and TST study of the mechanisms and branching ratios for the reactions of OH with unsaturated aldehydes. |
| PubMed:Enantioselective synthesis of allylic alcohols via an oxazaborolidinium ion catalyzed Diels-Alder/Retro-Diels-Alder sequence. |
| PubMed:Kinetics of the gas-phase reactions of OH and NO(3) radicals and O(3) with allyl alcohol and allyl isocyanate. |
| PubMed:[Contribution of isoprene emitted from vegetable to atmospheric formaldehyde in the ambient air of Beijing city]. |
| PubMed:Release of volatile organic compounds (VOCs) from the lung cancer cell line CALU-1 in vitro. |
| PubMed:[Heterogeneous reactions on the surface of atmospheric particles: a transmission FTIR spectroscopy study]. |
| PubMed:Development of a proton-transfer reaction-linear ion trap mass spectrometer for quantitative determination of volatile organic compounds. |
| PubMed:Volatile aldehydes in the mainstream smoke of the narghile waterpipe. |
| PubMed:6,6'-Substituent effect of BINOL in bis-titanium chiral Lewis acid catalyzed 1,3-dipolar cycloaddition of nitrones. |
| PubMed:Chiral pyridylamino-ruthenium(II) complexes: synthesis, structure and catalytic properties in Diels-Alder reactions. |
| PubMed:A direct route to fluostatin C by a fascinating Diels-Alder reaction. |
| PubMed:Asymmetric 1,3-dipolar cycloadditions of N-benzyl and N-diphenylmethyl nitrones and alpha,beta-unsaturated aldehydes catalyzed by bis-titanium chiral Lewis acids. |
| PubMed:Substituent effects on dynamics at conical intersections: alpha,beta-enones. |
| PubMed:Asymmetric 1,3-dipolar cycloadditions of nitrones and methacrolein catalyzed by chiral bis-titanium lewis acid: a dramatic effect of N-substituent on nitrone. |
| PubMed:Pentamethylcyclopentadienyl-iridium(III) complexes with pyridylamino ligands: synthesis and applications as asymmetric catalysts for Diels-Alder reactions. |
| PubMed:The first aza Diels-Alder reaction involving an alpha,beta-unsaturated hydrazone as the dienophile: stereoselective synthesis of C-4 functionalized 1,2,3,4-tetrahydroquinolines containing a quaternary stereocenter. |
| PubMed:Overall rate constant measurements of the reaction of hydroxy- and chloroalkylperoxy radicals derived from methacrolein and methyl vinyl ketone with nitric oxide. |
| PubMed:Conformational preferences of methacrolein in Diels-Alder and 1,3-dipolar cycloaddition reactions. |
| PubMed:Catalytic enantioselective Diels-Alder reaction in ionic liquid via a recyclable chiral In(III) complex. |
| PubMed:Methyl vinyl ketone+OH and methacrolein+OH oxidation reactions: a master equation analysis of the pressure- and temperature-dependent rate constants. |
| PubMed:Chemical composition of secondary organic aerosol formed from the photooxidation of isoprene. |
| PubMed:Ruthenium complexes of thiocinnamaldehydes: synthesis, structure, and [4+2]-cycloaddition reactions. |
| PubMed:Stereoselective alkylation of alpha,beta-unsaturated imines via C-H bond activation. |
| PubMed:A sensitive method for the quantification of acrolein and other volatile carbonyls in ambient air. |
| PubMed:The uptake of methyl vinyl ketone, methacrolein, and 2-methyl-3-butene-2-ol onto sulfuric acid solutions. |
| PubMed:Priming of plant defense responses in nature by airborne signaling between Artemisia tridentata and Nicotiana attenuata. |
| PubMed:Differentiation of isobaric compounds using chemical ionization reaction mass spectrometry. |
| PubMed:Enantioselective 1,3-dipolar cycloaddition of nitrones to methacrolein catalyzed by (eta5-C5Me5)M{(R)-prophos} containing complexes (M = Rh, Ir; (R)-prophos = 1,2-bis(diphenylphosphino)propane): on the origin of the enantioselectivity. |
| PubMed:[Ozonolysis of methacrolein and methyl vinyl ketone in aqueous solutions]. |
| PubMed:Pressure dependence in the methyl vinyl ketone + OH and methacrolein + OH oxidation reactions: an electronic structure study. |
| PubMed:Oxidative coupling of benzenes with alpha,beta-unsaturated aldehydes by the Pd(OAc)2/molybdovanadophosphoric acid/O2 system. |
| PubMed:Catalytic enantioselective Diels-Alder reaction via a chiral indium(III) complex. |
| PubMed:Quantitative determination of volatile organic compounds in indoor dust using gas chromatography-UV spectrometry. |
| PubMed:Kinetics and products of the OH radical-initiated reaction of 3-methyl-2-butenal. |
| PubMed:Total synthesis of (+)-tubelactomicin A. 1. Stereoselective synthesis of the lower-half segment by an intramolecular Diels-Alder approach. |
| PubMed:Optimization of MoVSb oxide catalyst for partial oxidation of isobutane by combinatorial approaches. |
| PubMed:Measurements of biogenic hydrocarbons and carbonyl compounds emitted by trees from temperate warm Atlantic rainforest, Brazil. |
| PubMed:Simple diastereoselectivity of the BF3.OEt2-catalyzed vinylogous Mukaiyama aldol reaction of 2-(trimethylsiloxy)furans with aldehydes. |
| PubMed:Monitoring OH-initiated oxidation kinetics of isoprene and its products using online mass spectrometry. |
| PubMed:The effect on human eye blink frequency of exposure to limonene oxidation products and methacrolein. |
| PubMed:Effects of 1,3-butadiene, isoprene, and their photochemical degradation products on human lung cells. |
| PubMed:Cp*Rh complexes with pyridyloxazolines: synthesis, fluxionality and applications as asymmetric catalysts for Diels-Alder reactions. |
| PubMed:[CpRu((R)-Binop-F)(H2O)][SbF6], a new fluxional chiral Lewis acid catalyst: synthesis, dynamic nmr, asymmetric catalysis, and theoretical studies. |
| PubMed:The complete characterization of a rhodium Lewis acid-dipolarophile complex as an intermediate for the enantioselective catalytic 1,3-dipolar cycloaddition of C,N-diphenylnitrone to methacrolein. |
| PubMed:Airborne observations of vegetation and implications for biogenic emission characterization. |
| PubMed:Proton transfer reaction ion trap mass spectrometer. |
| PubMed:A new cationic, chiral catalyst for highly enantioselective Diels-Alder reactions. |
| PubMed:Description and characterization of an on-line system for long-term measurements of isoprene, methyl vinyl ketone, and methacrolein in ambient air. |
| PubMed:Cycloaldol approach to the isobenzofuran core of eunicellin diterpenes. |
| PubMed:Highly stereoselective hydroxy-directed Diels-Alder reaction. |
| PubMed:New bulky chiral Lewis acid catalyst: 3,3'-di(2-mesitylethynyl)binaphthol-titanium(IV) complex. |
| PubMed:Emissions of aldehydes and ketones from a two-stroke engine using ethanol and ethanol-blended gasoline as fuel. |
| PubMed:Formation of strong airway irritants in terpene/ozone mixtures. |
| PubMed:Airborne carbonyls from motor vehicle emissions in two highway tunnels. |
| PubMed:Broadly effective enantioselective Diels-Alder reactions of 1-amino-substituted-1,3-butadienes. |
| PubMed:Enantioselective synthesis of the antiinflammatory agent (-)-acanthoic acid. |
| PubMed:1-Amino-3-siloxy-1,3-butadienes: Highly Reactive Dienes for the Diels-Alder Reaction. |
| PubMed:Formation of strong airway irritants in mixtures of isoprene/ozone and isoprene/ozone/nitrogen dioxide. |
| PubMed:An application of electronic asymmetry to highly enantioselective catalytic Diels-Alder reactions. |
| PubMed:Characterization of chemical interferences in the determination of unsaturated aldehydes using aromatic hydrazine reagents and liquid chromatography. |
| PubMed:GC/ITMS measurement of carbonyls and multifunctional carbonyls in PM2.5 particles emitted from motor vehicles. |
| PubMed:On-road emissions of carbonyls from light-duty and heavy-duty vehicles. |
| PubMed:Ozone removal in the sampling of parts per billion levels of terpenoid compounds: an evaluation of different scrubber materials. |
| PubMed:Diastereoselectivity an chiral ruthenium complexes of chiraphos monoxide ligands: epimerization, quasiracemates, and Lewis acid catalysis. |
| PubMed:Effects of methacrolein on the respiratory tract in mice. |
| PubMed:Asymmetric Diels-Alder Reaction of Methacrolein with Cyclopentadiene Using Polymer-Supported Catalysts: Design of Highly Enantioselective Polymeric Catalysts. |
| PubMed:Formation yields of methyl vinyl ketone and methacrolein from the gas-phase reaction of o3 with isoprene. |
| PubMed:The lipid peroxidation product 4-hydroxynonenal is a potent inducer of the SOS response. |
| PubMed:Influence of sagebrush terpenoids on mule deer preference. |
| PubMed:Cytochemistry and electron microscopy. The preservation of cellular ultrastructure and enzymatic activity by aldehyde fixation. |
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3D/inchi