methyl ethyl ketone
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IUPAC name :butan-2-one
InChI :InChI=1/C4H8O/c1-3-4(2)5/h3H2,1-2H3
InChIKey :ZWEHNKRNPOVVGH-UHFFFAOYAW
SMILES :CCC(=O)C
cas number :78-93-3
(EINECS) number :201-159-0
eu annex :606-002-00-3
beilstein number :0741880
fema number :2170
coe number :753
jecfa number :278
fl. number :07.053
molar refractivity :20.60 ± 0.3 cm3
parachor :196.3 ± 4.0 cm3
index of refraction :1.367 ± 0.02
surface tension :21.0 ± 3.0 dyne/cm
density :0.786 ± 0.06 g/cm3
polarizability :8.17 ± 0.5 10-24cm3
XlogP : 0.40
molecular weight : 72.1057200
formula :C4 H8 O
BioActivity Analysis :17389672
NMR Predictor :Predict
 
 
export tariff code :2914.12.00.00
fda reg :172.515
172.859
175.105
175.320
177.1200

Suppliers :
Cargill - Alfrebro :METHYL ETHYL KETONE
natural, Kosher
Mooreganics :2-Butanone (Methyl Ethyl Ketone)
Natural (Organic Compliant)
Penta :2-butanone
Penta :methyl ethyl ketone
natural
Sigma-Aldrich-SAFC :2-Butanone
≥99.5%, FCC, Kosher, FG
Odor:  ethereal

organoleptics :
odor type :ethereal
odor strength :high ,
recommend smelling in a 1.00 % solution or less
odor description :
at 1.00 % in dipropylene glycol.  
acetone-like ethereal fruity camphor

properties :
appearence :colorless clear liquid
assay : 99.00 to 100.00 %   
Food Chemicals Codex Listed :Yes
specific gravity :0.80100 to 0.80300 @ 25.00 °C.
pounds per gallon - calc. : 6.665 to 6.682
refractive index :1.37700 to 1.38000 @ 20.00 °C.
melting point : -85.00 to -87.00 °C. @ 760.00 mm Hg
boiling point : 78.60 to 80.00 °C. @ 760.00 mm Hg
acid value : 2.00  max.  KOH/g
vapor pressure :71.00000 mm/Hg @ 20.00 °C.
vapor density :2.49 ( Air = 1 )
flash point : 26.00  °F.  TCC  ( -3.33 °C. )
logP (o/w) : 0.29

safety :
most important hazard(s) :Xi - Irritant
  R 11 - Highly flammable.
R 36 - Irritating to eyes.
R 66 - Repeated exposure may cause skin dryness or cracking.
R 67 - Vapours may cause frowsiness and dizziness.
S 09 - Keep container in a well-ventilated place.
S 16 - Keep away from sources of ignition - No Smoking.
Oral Toxicity(LD50) :
  Oral-Rat   [sex: M]  5490.00  mg/kg
(Smyth et al., 1962)

Oral-Rat    2730.00  mg/kg
(Kimura et al., 1971a)

Oral-Rat    3980.00  mg/kg
(Union Carbide Corp., 1956)

Oral-Rat   [sex: F]  5525.00  mg/kg
(Pozzani et al., 1959)

Oral-Mouse   [sex: M]  3137.00  mg/kg
(Zakhari et al., 1977)

Oral-Mouse   [sex: M]  4050.00  mg/kg
(Tanii et al., 1986)

Dermal Toxicity(LD50) :
  Skin-Rabbit  6840.00  mg/kg
SHELL*  MSDS-5390-4

Inhalation Toxicity(LC50) :
  Inhalation-Muskrat  32.00  gm/M3/4hour
CUTOEX  1,47,1993

 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :96.00 (μg/capita/day)
 
recommendation for methyl ethyl ketone usage levels up to :
 not for fragrance use.
recommendation for methyl ethyl ketone usage levels up to :
  270.0000 ppm in the flavor.

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
EPA-Iris :IRIS
NIOSH International Chemical Safety Cards :search
NIOSH Pocket Guide :search
NLM Hazardous Substances Data Bank :search
Chemical Carcinogenesis Research Information System :Search
Cancer Citations :Search
Toxicology Citations :Search
EPA GENetic TOXicology :Search
Env. Mutagen Info. Center :Search
NLM Developmental and Reproductive Toxicity :Search
National Toxicology Program :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
WISER :UN 1193
 
WGK Germany :1
 
 
 
 butan-2-one
(EINECS) number :201-159-0
RTECS :78-93-3
chemidplus :000078933
EPA/NOAA CAMEO :hazardous materials
EPA Substance Registry Services :78-93-3

references :
 butan-2-one
fl. number :07.053
jecfa number :278
NIST Chemistry WebBook :677523036
pubchem :149533

Cosmetics :
Cosmetic uses : perfuming agents
solvents

other :
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
Household Products : Search
synonyms :
 butan-2-one
2-oxobutane
2-butanone
 ethyl methyl ketone
 ketone C-4
 mek
 methyl acetone

soluble in :
 alcohol
 fixed oils
 water, 223000 mg/L @ 25C

insoluble in :
 water

(odor and/or flavor) blends with :
 acetaldehyde
 allyl amyl glycolate
 allyl butyrate
isoamyl benzoate
isoamyl butyrate
 amyl formate
isoamyl formate
 amyl heptanoate
isoamyl isovalerate
isoamyl octanoate
isobutyl formate
 butyl isobutyrate
isobutyl propionate
 cherry pentenoate
beta-cyclocitral
 cyclohexanone
2-cyclopentyl cyclopentanone
alpha-decalactone
 diethyl malonate
 dimethyl succinate
(E,E)-2,4-dodecadien-1-ol
 ethyl (E)-2-octenoate
 ethyl 2-cyclohexyl propionate
 ethyl 2-octenoate
 ethyl 3-acetoxyhexanoate
 ethyl 3,5,5-trimethyl hexanoate
 ethyl acetate
 ethyl acetoacetate
2-ethyl butyl acetate
2-ethyl butyraldehyde
 ethyl pyruvate
 furfuryl propionate
 heptanal cyclic ethylene acetal
2-heptanol
2-hexen-1-al
(E)-2-hexen-1-al diethyl acetal
2-hexen-1-al diethyl acetal
2-hexen-1-ol
(E)-3-hexen-1-yl acetate
(E)-2-hexen-1-yl formate
(E)-2-hexen-1-yl hexanoate
(Z)-3-hexen-1-yl hexanoate
(Z)-3-hexen-1-yl isobutyrate
 hexyl (E)-2-hexenoate
 hexyl 2-butenoate
 hexyl acetate
 hexyl octanoate
 melon valerate
 methyl (E)-2-hexenoate
 methyl (E)-3-nonenoate
 methyl (E)-3-nonenoate
 methyl 2-undecynoate
 methyl acetate
2-methyl butyl 2-methyl butyrate
2-methyl furan
 methyl heptanoate
 methyl R-3-acetoxyhexanoate
2-methyl valeraldehyde
(E)-2-methyl-2-octen-1-al
2-methyl-2-octen-1-al
3-methyl-3-pentanol
 nerolidyl isobutyrate
(E,E)-3,5-octadien-2-one
 octen-1-yl cyclopentanone
 octyl 2-methyl butyrate
 octyl butyrate
(Z)-2-penten-1-ol
3-penten-2-one
2-pentyl furan
 phenoxyethyl isobutyrate
 pineapple pentenoate
 prenol
 prenyl ethyl ether
 prenyl hexanoate
isopropyl 2-methyl butyrate
isopropyl acetate
 propylene acetal
 rhubarb undecane
 tetrahydrofurfuryl butyrate
 timber dioxolane
 tropical indene
 tropical thiazole
 violet dienyne

(odor and/or flavor) used in :
 banana
 bread white bread
 carrot
 cheese cheddar cheese
 cheese swiss cheese
 coffee
 cream
 dairy
 fish
 grape
 solvents
 tea black tea
 tomato
 yogurt

natural occurrence in :
apple juice
bread white bread
butter
carrot
cheese cheddar cheese
cheese swiss cheese
coffee
fish
potato chip
tea black tea
tomato
yogurt



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