2-Pentanone supplier | CasNO.107-87-9

Name
2-Pentanone
EINECS 203-528-1
CAS No. 107-87-9
Article Data456
CAS DataBase
Density 0.796 g/cm³
Solubility soluble in water
Melting Point -78 °C
Formula C₅H₁₀O
Boiling Point 102.7 °C at 760 mmHg
Molecular Weight 86.1338
Flash Point 7.2 °C
Transport Information UN 1249 3/PG 2
Appearance clear colorless liquid with the odor of fingernail polish
Safety 9-16-29-33-37/39-26
Risk Codes 11-22-36/37/38
Molecular Structure
Hazard Symbols F,Xn
Synonyms 4-Methyl-2-butanone;Ethylacetone;Methyl n-propyl ketone;Methyl propyl ketone;NSC 5350;Propylmethyl ketone;2-Pentanone ( Methyl propyl ketone);
PSA 17.07000
LogP 1.37550

Synthetic route

: 625-33-2
3-penten-2-one

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With limonene.; palladium on activated charcoal for 0.25h; Heating;	100%
With potassium bis(trimethylsilyl)amide In tetrahydrofuran at 0℃; for 6h;	94.2%
With hydrogen; 1,5-hexadienerhodium(I)-chloride dimer In hexane for 3h; Ambient temperature; pH=7.6;	71%

: 6032-29-7
(+/-)-2-pentanol

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With sodium dichromate; sulfuric acid; silica gel In dichloromethane at 20℃; for 0.5h;	99%
With dihydrogen peroxide In water at 89.84℃; for 5h;	98%
With pyridinium chlorochromate In chloroform at 16℃; for 168h; or 1-methyl imidazolium chlorochromate or imidazolium chlorochromate;	97%

: 1569-50-2
3-penten-2-ol

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; di(rhodium)tetracarbonyl dichloride In dichloromethane	98%
With [Ru(η3:η3-C10H16)Cl2(benzimidazole)] In glycerol at 75℃; for 8h; Sealed tube; Inert atmosphere; Green chemistry;	95%
With 2C25H28N2OP(1-)2Cl(1-)2Ru(2+) In tetrahydrofuran at 80℃; for 1h; Inert atmosphere; Schlenk technique; Sealed tube;	88%

: 627-19-0
1-Pentyne

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With disodium chloro[1,3-bis(2,6-diisopropyl-4-sodiumsulfonatophenyl)imidazol-2-ylidene]gold(I); water at 100℃; for 1.17h;	97%
With 1,3-bis{2,6-bis[bis(4-tert-butylphenyl)methyl]-4-methylphenyl}-1H-imidazol-2-ylidenegold(I) chloride; water; silver(I) triflimide In methanol at 80℃; for 0.25h; Temperature;	88%
With hexafluoroantimonic acid; AuOH(1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene); water at 120℃; for 24h;	40%

: 111957-98-3, 625-31-0
Pent-4-en-2-ol

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With Grotjahn’s catalyst In [(2)H6]acetone at 70℃; for 1h; Reagent/catalyst; Solvent; Inert atmosphere; Glovebox;	97%
With copper at 300℃;
{CpRu[P(i-Pr)2(1-Me-4-tBu-imidazol-2-yl)]MeCN}*PF6 In acetone at 70℃; for 1h;	97 % Spectr.

: 14848-64-7
2-pentanol(d O-H)

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With pyridinium chlorochromate In chloroform at 16℃; for 2.8h; Rate constant; Product distribution; Mechanism;	96.4%

: 1569-50-2
3-penten-2-ol

A: 3102-33-8
trans-3-penten-2-one

B: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With potassium tert-butylate; [RuCl2(η6-p-cymene){κ1-(P)-PPh2(OCH2CH2NMe2)}] In tetrahydrofuran at 75℃; for 0.0833333h;	A n/a B 95%

: 57230-59-8
2-methyl-2-propyl-1,3-dithiolane

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With selenium(IV) oxide In acetic acid for 1.16667h; Ambient temperature;	94%

: 147050-27-9
2-Methyl-1-morpholino-1-pentene

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With potassium permanganate on Y-Zeolite In 1,2-dichloro-ethane for 6h; Ambient temperature;	93%

: 5145-25-5
1-methylbutyl nitrite

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With potassium carbonate; dimethyl sulfoxide at 70℃; for 9.25h;	92.03%
With boron trifluoride diethyl etherate In diethyl ether for 4h; Ambient temperature;	91%

: 98-01-1
furfural

A: 534-22-5
2-methylfuran

B: 6032-29-7
(+/-)-2-pentanol

C: 71-41-0
pentan-1-ol

D: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With Cu/SiO2; hydrogen at 220℃; under 760.051 Torr; for 0.5h; Catalytic behavior; Reagent/catalyst; Time; Temperature; Green chemistry;	A 89.5% B n/a C n/a D n/a

...Expand

: 98-01-1
furfural

A: 96-47-9
2-methyltetrahydrofuran

B: 534-22-5
2-methylfuran

C: 6032-29-7
(+/-)-2-pentanol

D: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With hydrogen; Cu-based catalyst at 212℃; Product distribution; Further Variations:; Temperatures; reaction in vapour phase, fixed bed reactor;	A 3.3% B 88.6% C 4.8% D 2.7%

...Expand

: (2-penten-2-yl)pentamethyl phosphoric triamide

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With sulfuric acid In benzene for 4h; Heating;	87%

: 4352-98-1
2-methyl-2-propyl-[1,3]dioxolane

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With caro's acid; silica gel In acetonitrile at 20℃; for 0.416667h;	86%
With tellurium; sodium tetrahydroborate; water 1.) EtOH, 25 deg C, 30 min; Multistep reaction;

: 26990-57-8
2-methyl-2-n-propyl-1,3-oxathiolane

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With Montmorillonite K10 In benzene for 2.5h; Heating;	86%

: 111957-98-3, 625-31-0
Pent-4-en-2-ol

A: 3102-33-8
trans-3-penten-2-one

B: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With potassium tert-butylate; [RuCl2(η6-p-cymene){κ1-(P)-PPh2(OCH2CH2NMe2)}] In tetrahydrofuran at 75℃; for 5.41667h;	A n/a B 85%

: 623-40-5
pentan-2-one oxime

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With N-Bromosuccinimide; β‐cyclodextrin In water; acetone at 20℃; for 0.333333h;	84%
With sodium bromate; ion exchange resin at 25 - 30℃; for 0.25h; ultrasonic irradiation;	97 % Chromat.

: 4-((Z)-2-Methyl-pent-1-enyl)-morpholine

A: 4394-85-8
4-morpholinecarboxaldehyde

B: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With oxygen; Cu-X zeolite In 1,2-dichloro-ethane; acetonitrile at 50℃; for 6h; Oxidation; Oxidative cleavage;	A 83% B 80%

: 2-pentanone semicarbazone

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With calcium hypochlorite; montmorillonite K-10 In chloroform at 20℃; for 2.75h;	82%

: 123-54-6
acetylacetone

A: 563-80-4
3-methyl-butan-2-one

B: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With hydrogenchloride; acetic acid; zinc for 2h; Heating;	A 79% B 21%
With hydrogenchloride; acetic acid; zinc for 2h; Product distribution; Mechanism; Heating; further co-reagents: LiCl, TFA; also amalgamated zinc; further β-dicarbonal substrates;	A 79% B 21%

: 123-54-6
acetylacetone

A: 6032-29-7
(+/-)-2-pentanol

B: 107-87-9
2-Pentanone

C: 1825-14-5, 3950-21-8, 36402-52-5, 42075-32-1, 72345-23-4, 625-69-4
pentane-1,3-diol

Conditions

Conditions	Yield
With samarium diiodide; water In tetrahydrofuran at 20℃; for 0.141667h;	A 78% B 6% C 6%

...Expand

: 625-33-2
3-penten-2-one

A: 6032-29-7
(+/-)-2-pentanol

B: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With hydrogen; In diethylene glycol dimethyl ether; water at 30℃; under 735.5 Torr; for 5h;	A 7.8% B 77.3%
With nickel kieselguhr at 100℃; under 88260.9 Torr; Hydrogenation;
With nickel kieselguhr at 100 - 160℃; under 88260.9 Torr; Hydrogenation.Hydrieren des Reaktionsprodukts an Kupferchromit; (+-)-pentanol-(2);

: 106-31-0
butanoic acid anhydride

: (PPh3)3CoCH3

A: 99668-71-0
Co(OCO-n-C3H7)

B: 187737-37-7
propene

C: 34557-54-5
methane

D: 74-98-6
propane

E: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
In tetrahydrofuran in THF at -40-20°C;	A n/a B 7% C 6% D 2% E 76%

...Expand

: 20117-47-9
1-methylcyclobutanol

A: 3884-71-7
bromo-5-pentanone-2

B: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With lead(IV) acetate; potassium bromide In benzene at 80℃;	A 75% B 3%

: 109-67-1
1-penten

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With palladium diacetate; Dess-Martin periodane In water; acetonitrile at 50℃; Wacker-Tsuji Olefin Oxidation; Inert atmosphere;	72%
With dihydrogen peroxide In water; acetonitrile at 55℃; for 12h; Wacker Oxidation;	71%
With oxygen; cetyltrimethylammonim bromide; copper dichloride; palladium dichloride In water; benzene at 80℃; under 2327.2 Torr; Product distribution;	48%

: 3622-62-6
pentan-2-one semicarbazone

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With tetraethylammonium bromate In ethanol for 5h; Heating;	72%
With potassium carbonate In water at 9.9℃; Kinetics; Mechanism; Thermodynamic data; E(activ.), ΔG(excit.), ΔH(excit.), ΔS(excit.); other temperatures;

: 105-30-6
2-methylpentan-1-ol

A: 6032-29-7
(+/-)-2-pentanol

B: 97-61-0, 22160-39-0
2-Methylpentanoic acid

C: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With dihydrogen peroxide; methyltrioctylammonium tetrakis(oxodiperoxotungsto)phosphate at 90℃; for 6h;	A n/a B 70% C n/a

...Expand

: 123-15-9
2-methylvaleraldehyde

A: 6032-29-7
(+/-)-2-pentanol

B: 97-61-0, 22160-39-0
2-Methylpentanoic acid

C: 58368-66-4
1-methylbutyl formate

D: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With dihydrogen peroxide; methyltrioctylammonium tetrakis(oxodiperoxotungsto)phosphate at 90℃; for 0.5h;	A n/a B 70% C 7% D n/a

...Expand

: 15681-48-8
lithium dimethylcuprate

: 107-13-1
acrylonitrile

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With chloro-trimethyl-silane In diethyl ether for 2h; -78 deg C;	69%

: 646-04-8
(E)-pent-2-ene

: 107-87-9
2-Pentanone

Conditions

Conditions	Yield
With water; palladium dichloride at 25℃; under 1300 Torr; for 22h; in microemulsion system, closed reactor;	66%

: 107-87-9
2-Pentanone

: 74-86-2
acetylene

: 4339-05-3
3-methylhex-1-yn-3-ol

Conditions

Conditions	Yield
With potassium tert-butylate In tetrahydrofuran at 0℃;	100%
With tetra(n-butyl)ammonium hydroxide In water; dimethyl sulfoxide at 5℃; for 1h; Favorskii-Babayan Synthesis;	90%
With diethyl ether; potassium 2-methylbutan-2-olate

: 104-87-0
4-methyl-benzaldehyde

: 107-87-9
2-Pentanone

: 100765-39-7
(E)-1-(4-tolyl)hex-1-en-3-one

Conditions

Conditions	Yield
barium dihydroxide In ethanol for 1h; Heating;	100%

: 7677-24-9
trimethylsilyl cyanide

: 107-87-9
2-Pentanone

: 91390-80-6
2-methyl-2-(trimethylsiloxy)pentanenitrile

Conditions

Conditions	Yield
With trans-{(iBu)2ATIGeiPr}2Pt(CN)2 In chloroform-d1 at 50℃; for 6h; Catalytic behavior; Schlenk technique; Glovebox;	100%
With C29H38AlN4O2(1+)*CF3O3S(1-) In neat (no solvent) at 20℃; for 0.0833333h; Catalytic behavior; Inert atmosphere; Schlenk technique;	99%
With gold(III) chloride In dichloromethane at 20℃; for 0.5h;	92%

: 107-87-9
2-Pentanone

: 60-24-2
2-hydroxyethanethiol

: 26990-57-8
2-methyl-2-n-propyl-1,3-oxathiolane

Conditions

Conditions	Yield
With boron trifluoride diethyl etherate In diethyl ether for 3h; Heating;	100%
sulfur dioxide In benzene Heating;	72%
With toluene-4-sulfonic acid In benzene Heating;

: 501-94-0
p-hydroxyphenethyl alcohol

: 107-87-9
2-Pentanone

: 386263-87-2
2-(4-hydroxylphenyl)ethyl butyrate

Conditions

Conditions	Yield
With Candida antarctica lipase B at 45℃; for 24h; Enzymatic reaction;	100%

: 621-87-4
3-phenoxy-2-propanone

: 107-87-9
2-Pentanone

A: 625-30-9, 33985-20-5, 54542-13-1, 63493-28-7
(R)‐2‐aminopentane

B: 45972-74-5
R-(-)-1-phenoxy-2-propanamine

Conditions

Conditions	Yield
With Candida boidinii formate dehydrogenase; pyridoxal 5'-phosphate; Aspergillus terreus ω-trans aminase; Lysinibacillus fusiformis leucine dehydrogenase; ammonium formate; nicotinamide adenine dinucleotide In aq. buffer at 30℃; for 24h; pH=8.8; Catalytic behavior; Green chemistry; Enzymatic reaction;	A 99.2% B 99.8%

...Expand

: 459-03-0
4-fluorophenyl acetone

: 107-87-9
2-Pentanone

A: 625-30-9, 33985-20-5, 54542-13-1, 63493-28-7
(R)‐2‐aminopentane

B: 72522-20-4
(R)-(-)-α-methyl-β-(4-fluorophenyl)ethylamine

Conditions

Conditions	Yield
With Candida boidinii formate dehydrogenase; pyridoxal 5'-phosphate; Aspergillus terreus ω-trans aminase; Lysinibacillus fusiformis leucine dehydrogenase; ammonium formate; nicotinamide adenine dinucleotide In aq. buffer at 30℃; for 24h; pH=8.8; Catalytic behavior; Green chemistry; Enzymatic reaction;	A 99.7% B 99.4%

...Expand

: 122-84-9
4-methoxybenzyl methyl ketone

: 107-87-9
2-Pentanone

A: 625-30-9, 33985-20-5, 54542-13-1, 63493-28-7
(R)‐2‐aminopentane

B: 58993-79-6
(R)-(-)-p-methoxyamphetamine

Conditions

Conditions	Yield
With Candida boidinii formate dehydrogenase; pyridoxal 5'-phosphate; Aspergillus terreus ω-trans aminase; Lysinibacillus fusiformis leucine dehydrogenase; ammonium formate; nicotinamide adenine dinucleotide In aq. buffer at 30℃; for 24h; pH=8.8; Catalytic behavior; Green chemistry; Enzymatic reaction;	A 99.7% B 99.4%

...Expand

: 107-87-9
2-Pentanone

: 5586-88-9
1-(4-chlorophenyl)propan-2-one

A: 625-30-9, 33985-20-5, 54542-13-1, 63493-28-7
(R)‐2‐aminopentane

B: (R)-(-)-1-(4'-chloro)phenyl-2-propanamine

Conditions

Conditions	Yield
With Candida boidinii formate dehydrogenase; pyridoxal 5'-phosphate; Aspergillus terreus ω-trans aminase; Lysinibacillus fusiformis leucine dehydrogenase; ammonium formate; nicotinamide adenine dinucleotide In aq. buffer at 30℃; for 24h; pH=8.8; Catalytic behavior; Green chemistry; Enzymatic reaction;	A 99.3% B 99.1%

...Expand

: 2550-26-7
4-Phenyl-2-butanone

: 107-87-9
2-Pentanone

A: 625-30-9, 33985-20-5, 54542-13-1, 63493-28-7
(R)‐2‐aminopentane

B: 937-52-0
(R)-1-methyl-3-phenylpropylamine

Conditions

Conditions	Yield
With Candida boidinii formate dehydrogenase; pyridoxal 5'-phosphate; Aspergillus terreus ω-trans aminase; Lysinibacillus fusiformis leucine dehydrogenase; ammonium formate; nicotinamide adenine dinucleotide In aq. buffer at 30℃; for 24h; pH=8.8; Catalytic behavior; Reagent/catalyst; pH-value; Green chemistry; Enzymatic reaction;	A 99.1% B 96.4%

...Expand

: 107-87-9
2-Pentanone

: 6032-29-7
(+/-)-2-pentanol

Conditions

Conditions	Yield
With sodium isopropylate; acetonitrile In isopropyl alcohol at 80℃; for 1h; Catalytic behavior;	99%
With formic acid; sodium formate; (η5-C4Ph4COHOC4Ph4-η5)(μ-H)(CO)4Ru2 In water at 100℃; for 3h;	98%
With C40H37ClN2PRuS(1+)*C24H20B(1-); isopropyl alcohol; potassium hydroxide at 82℃; for 2h; Catalytic behavior;	97.7%

: 107-87-9
2-Pentanone

: 100-46-9
benzylamine

: 61806-76-6
N-Benzyl-1-methylbutylamine

Conditions

Conditions	Yield
Stage #1: 2-Pentanone; benzylamine With formic acid; chlorido(8-quinolinolato-k2N,O)(η5-pentamethylcyclo-pentadienyl)rhodium(III) In ethyl acetate at 0 - 40℃; Inert atmosphere; Cooling with ice; Schlenk tube; Stage #2: With sodium hydrogencarbonate In water; ethyl acetate Product distribution / selectivity;	99%
With 5-ethyl-2-methylpyridine borane In methanol at 20℃;	84%
With 4 A molecular sieve; borane pyridine complex In methanol for 16h;	80%
With 2-picoline borane complex; acetic acid In methanol at 20℃; for 6h;	79%

: 6,6'-dihydrazino-2,2'-bipyridylnickel(II) perchlorate

: 107-87-9
2-Pentanone

: Ni(C10H6N2(NHNC(CH3)CH2CH2CH3)2)(H2O)2(2+)*2ClO4(1-)=[Ni(C10H6N2(NHNC(CH3)CH2CH2CH3)2)(H2O)2](ClO4)2

Conditions

Conditions	Yield
In water byproducts: water; addn. of 10% water to suspn. of Ni-complex in PrCOMe (dissoln.), refluxing for 10 min; evapn. (reduced pressure), recrystn. (Me2CO/Et2O); elem. anal.;	99%

: 464-72-2
tetraphenylethane-1,2-diol

: 107-87-9
2-Pentanone

A: 119-61-9
benzophenone

B: 2-methyl-1,1-diphenylpentane-1,2-diol

Conditions

Conditions	Yield
With titanium(IV) tetrabutoxide; triethylsilyl chloride In dichloromethane at 20℃;	A n/a B 99%

...Expand

: 1260828-48-5
C8H4BrClF3NO

: 107-87-9
2-Pentanone

: 1448544-33-9
8-bromo-6-chloro-2-propyl-4-(trifluoromethyl)quinoline

Conditions

Conditions	Yield
With L-proline potassium salt In dimethyl sulfoxide at 20℃; for 0.416667h; Friedlaender Quinoline Synthesis; regioselective reaction;	99%

: 107-87-9
2-Pentanone

: 93-03-8
(3,4-dimethoxyphenyl)methanol

: 39728-57-9
1-(3,4-dimethoxyphenyl)hexan-3-one

Conditions

Conditions	Yield
With potassium phosphate; 5%-palladium/activated carbon In toluene at 100℃; for 24h; Reagent/catalyst; Temperature; Inert atmosphere;	99%
With potassium phosphate In toluene at 80℃; for 24h; Inert atmosphere;	79%

: 77086-38-5
ketene t-butyldimethylsilyl methyl acetal

: 107-87-9
2-Pentanone

: methyl 3-((tert-butyldimethylsilyl)oxy)-3-methylhexanoate

Conditions

Conditions	Yield
Stage #1: 2-Pentanone With bis(trifluoromethanesulfonyl)amide In diethyl ether at -78 - 23℃; Mukaiyama Aldol Addition; Schlenk technique; Inert atmosphere; Stage #2: ketene t-butyldimethylsilyl methyl acetal In diethyl ether at -20℃; for 0.5h; Mukaiyama Aldol Addition; Schlenk technique; Inert atmosphere;	99%

: 50-00-0
formaldehyd

: 107-87-9
2-Pentanone

: 13229-09-9
1-(5-Ethyl-[1,3]dioxan-5-yl)-ethanone

Conditions

Conditions	Yield
With Nafion-H resin In 1,2-dimethoxyethane at 70℃; for 8h;	98%

: 931-53-3
Cyclohexyl isocyanide

: 107-87-9
2-Pentanone

: 1187-42-4
diaminomaleonitrile

: 5-(cyclohexylamino)-1,6-dihydro-6-methyl-6-propylpyrazine-2,3-dicarbonitrile

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In ethanol at 20℃; for 1.66667h;	98%

...Expand

: 864847-09-6
2-allyl-2,3,3-tris-ethoxycarbonyl-hept-5-ynoic acid ethyl ester

: 107-87-9
2-Pentanone

: 1017603-41-6
1,3-dimethyl-3-propyl-3,4,4a,5-tetrahydro-8H-isochromene-6,6,7,7-tetracarboxylic acid tetraethyl ester

Conditions

Conditions	Yield
With 3 A molecular sieve; 1,3-bis-(2,6-diisopropylphenyl)-imidazol-2-ylidene; bis(1,5-cyclooctadiene)nickel (0) In toluene at 20℃;	98%

: 107-87-9
2-Pentanone

: 154598-53-5
1-(2-amino-5-chloro-phenyl)-2,2,2-trifluoro-ethanone

: 1042738-31-7
6-chloro-2-propyl-4-(trifluoromethyl)quinoline

Conditions

Conditions	Yield
With L-proline potassium salt In dimethyl sulfoxide at 20℃; for 0.583333h; Reagent/catalyst; Time; Temperature; Friedlaender Quinoline Synthesis; regioselective reaction;	98%
With L-proline In dimethyl sulfoxide at 50℃; for 48h; Friedlaender synthesis; regioselective reaction;	93%

: (E)-N-(2,6-dimethylphenyl)-2-phenyl-3H-3-iminoindole

: 107-87-9
2-Pentanone

: (S,E)-1-(3-((2,6-dimethylphenyl)imino)-2-phenylindolin-2-yl)pentan-2-one

Conditions

Conditions	Yield
With L-proline In dimethyl sulfoxide at 20℃; for 24h; Mannich Aminomethylation; enantioselective reaction;	97%

: 107-87-9
2-Pentanone

: 26184-62-3
(S)-2-pentanol

Conditions

Conditions	Yield
With dried cells of Geotrichum candidum; NAD; isopropyl alcohol In various solvent(s) at 30℃; for 9h; pH=7.0; Enzymatic reaction;	96%
With glucose dehydrogenase; ketoreductase Kred-108; glucose; NADPH at 37℃; for 24h; pH=6.9; aq. phosphate buffer; Enzymatic reaction; optical yield given as %ee; stereoselective reaction;	92%
Daucas carota root; extract of In water at 35 - 40℃; for 88h; pH=7.5; Conversion of starting material; Enzymatic reaction; Aqueous phosphate buffer;	49%

: 107-87-9
2-Pentanone

: 1099-45-2
ethyl (triphenylphosphoranylidene)acetate

: 15677-00-6
ethyl 3-methylhex-2-enoate

Conditions

Conditions	Yield
In xylene at 50℃; under 6750540 Torr; for 30h;	96%
With benzoic acid

2-Pentanone Chemical Properties

Molecular structure of 2-Pentanone (CAS NO.107-87-9) is:

Product Name: 2-Pentanone
CAS Registry Number: 107-87-9
IUPAC Name: pentan-2-one
Molecular Weight: 86.1323 [g/mol]
Molecular Formula: C₅H₁₀O
XLogP3: 0.9
H-Bond Donor: 0
H-Bond Acceptor: 1
EINECS: 203-528-1
Melting Point: -78 °C
Surface Tension: 22.6 dyne/cm
Density: 0.796 g/cm³
Flash Point: 7.2 °C
Enthalpy of Vaporization: 32.76 kJ/mol
Boiling Point: 102.7 °C at 760 mmHg
Vapour Pressure: 38.6 mmHg at 25°C
Refractive index: n20/D 1.39(lit.)
Storage temp.: Flammables area
Water Solubility: 43 g/L (20 °C)
Stability: Stable. Highly flammable - note low flashpoint. Incompatible with strong bases, oxidizing agents, reducing agents.
Product Categories: Organics;ketone;ketone Flavor

2-Pentanone Uses

2-Pentanone (CAS NO.107-87-9) is used as a flavoring food additive in very small amounts.

2-Pentanone Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
guinea pig	LCLo	inhalation	13000ppm/5H (13000ppm)		"Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 6, Pg. 1036, 1991.
human	TCLo	inhalation	1500ppm (1500ppm)	SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE BEHAVIORAL: HEADACHE GASTROINTESTINAL: NAUSEA OR VOMITING	Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. Vol. 1, Pg. 83, 1974.
mammal (species unspecified)	LC50	inhalation	22gm/m³ (22000mg/m³)		Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 51(5), Pg. 61, 1986.
mammal (species unspecified)	LD50	oral	3700mg/kg (3700mg/kg)		Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 32(10), Pg. 25, 1988.
mouse	LD50	intraperitoneal	1600mg/kg (1600mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4735, 1982.
mouse	LD50	oral	1600mg/kg (1600mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4735, 1982.
rabbit	LD50	skin	6500mg/kg (6500mg/kg)		Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. Vol. 1, Pg. 83, 1974.
rat	LCLo	inhalation	2000ppm/4H (2000ppm)		American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962.
rat	LD50	intraperitoneal	800mg/kg (800mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4735, 1982.
rat	LD50	oral	1600mg/kg (1600mg/kg)		"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New

2-Pentanone Safety Profile

Hazard Codes: F, Harmful Xn
Risk Statements: 11-22-36/37/38
R11:Highly flammable.
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 9-16-29-33-37/39-26
S9:Keep container in a well-ventilated place.
S16:Keep away from sources of ignition.
S29:Do not empty into drains.
S33:Take precautionary measures against static discharges.
S37/39:Wear suitable gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN 1249 3/PG 2
WGK Germany: 1
RTECS: SA7875000
HazardClass: 3
PackingGroup: II

2-Pentanone Specification

2-Pentanone , its cas register number is 107-87-9. It also can be called Methyl propyl ketone ; Ethyl acetone ; Methyl n-propyl ketone ; Methyl propyl ketone ; Methyl-propyl-cetone ; Metylopropyloketon [Polish] ; Propyl methyl ketone .It is a clear colorless liquid with the odor of fingernail polish. It less dense than water and soluble in water.It is highly flammable and can soluble in water. It is incompatible with oxidizing agents, strong bases and reducing agents. Reacts violently with bromine trifluoride.

Product Name

2-Pentanone

Synthetic route

2-Pentanone Chemical Properties

2-Pentanone Uses

2-Pentanone Toxicity Data With Reference

2-Pentanone Safety Profile

2-Pentanone Specification

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