Product Name

  • Name

    Valeric acid

  • EINECS 203-677-2
  • CAS No. 109-52-4
  • Article Data582
  • CAS DataBase
  • Density 0.966 g/cm3
  • Solubility 40 g/L (20 ºC)
  • Melting Point -20 - -18 °C(lit.)
  • Formula C5H10O2
  • Boiling Point 185.3 °C at 760 mmHg
  • Molecular Weight 102.133
  • Flash Point 80.5 °C
  • Transport Information UN 3265 8/PG 3
  • Appearance clear colorless to pale yellow liquid
  • Safety 26-36-45-61
  • Risk Codes 34-52/53
  • Molecular Structure Molecular Structure of 109-52-4 (Valeric acid)
  • Hazard Symbols CorrosiveC
  • Synonyms Valericacid (8CI);1-Butanecarboxylic acid;NSC 406833;Propylacetic acid;n-Pentanoicacid;n-Valeric acid;Pentanoic acid;
  • PSA 37.30000
  • LogP 1.26120

Synthetic route

pentan-1-ol
71-41-0

pentan-1-ol

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With dihydrogen peroxide; Na12[WZn3(H2O)2(ZnW9O34)2] at 75℃; for 7h;100%
With Au NCs/TiO2; oxygen; sodium hydroxide In water at 120℃; under 7500.75 Torr; for 6h; Catalytic behavior; Autoclave; Green chemistry;95.3%
With nitric acid In water at 25 - 30℃; for 4h;90%
levulinic acid
123-76-2

levulinic acid

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With hydrogen In water at 150℃; under 22502.3 Torr; for 4h; Reagent/catalyst; Temperature; Pressure; Time; Solvent; Green chemistry;99.8%
With hydrogen In propan-1-ol at 240℃; under 22502.3 Torr; for 3h; Temperature; Reagent/catalyst; Time; Solvent;98%
in saurer Loesung.Electrolysis;
1,5-pentanedioic acid
110-94-1

1,5-pentanedioic acid

A

1 ,5-pentanediol
111-29-5

1 ,5-pentanediol

B

pentan-1-ol
71-41-0

pentan-1-ol

C

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With hydrogen In water at 130℃; under 37503.8 Torr; for 12h; Pressure; Reagent/catalyst; Autoclave;A 90%
B 4%
C 5%
3,4,5,6-tetrahydro-2H-pyran-2-one
542-28-9

3,4,5,6-tetrahydro-2H-pyran-2-one

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
In N,N,N,N,N,N-hexamethylphosphoric triamide; water for 17h; Irradiation;60%
With palladium 10% on activated carbon; W(OTf)6; hydrogen at 135℃; under 760.051 Torr; for 12h;44%
With water; iodine; nickel at 280℃; under 88260.9 - 183877 Torr; Hydrogenation;
With palladium on activated carbon; W(OTf)6; hydrogen In neat (no solvent) at 135℃; under 760.051 Torr; for 12h;44 %Chromat.
levulinic acid
123-76-2

levulinic acid

A

5-methyl-dihydro-furan-2-one
108-29-2

5-methyl-dihydro-furan-2-one

B

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With hydrogen In 1,4-dioxane at 199.84℃; under 30003 Torr; for 10h; Reagent/catalyst; Autoclave;A 91.6%
B n/a
With hydrogen In 1,4-dioxane at 199.84℃; under 30003 Torr; for 10h; Autoclave; Inert atmosphere;A n/a
B 17.7%
With hydrogen In 1,4-dioxane at 199.84℃; under 30003 Torr; for 10h; Reagent/catalyst; Autoclave;A 7.7%
B n/a
(E)-5-decene
7433-56-9

(E)-5-decene

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With sodium periodate; ruthenium trichloride In tetrachloromethane; water; acetonitrile at 25℃; for 2h;88%
With sodium periodate; ruthenium trichloride In water; ethyl acetate; acetonitrile for 2h;76%
With sodium periodate; RuCl3*2.9H2O In water at 20℃; for 0.25h; Sonication;74%
With periodic acid; ruthenium trichloride In tetrachloromethane; water; acetonitrile at 20℃; for 2h; Oxidation;60%
With dihydrogen peroxide; methyltrioctylammonium tetrakis(oxodiperoxotungsto)phos In water at 85℃; for 6h; Yield given;
n-Butyl chloride
109-69-3

n-Butyl chloride

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
Stage #1: n-Butyl chloride With magnesium In tetrahydrofuran for 2h; Inert atmosphere; Reflux;
Stage #2: With potassium hydrogensulfate; carbon monoxide In tetrahydrofuran at 20℃; for 1h;
85%
5-methyl-dihydro-furan-2-one
108-29-2

5-methyl-dihydro-furan-2-one

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen; zirconium(IV) triflate at 135℃; under 760.051 Torr; for 12h; Reagent/catalyst; Temperature; Pressure;99%
With hafnium tetrakis(trifluoromethanesulfonate); palladium on activated carbon; hydrogen In neat (no solvent) at 135℃; under 760.051 Torr; for 12h; Schlenk technique; Glovebox;99%
With palladium on activated carbon; W(OTf)6; hydrogen In neat (no solvent) at 135℃; under 760.051 Torr; for 12h; Reagent/catalyst;97%
Adipic acid
124-04-9

Adipic acid

A

hexahydro-2H-oxepin-2-one
502-44-3

hexahydro-2H-oxepin-2-one

B

1,6-hexanediol
629-11-8

1,6-hexanediol

C

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With hydrogen In 1,4-dioxane at 265℃; under 18751.9 Torr;
XYLITOL
87-99-0

XYLITOL

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With formaldehyd; ruthenium (III) bromide; hydrogen bromide; hydrogen; tetrabutyl phosphonium bromide In water at 210℃; under 30003 Torr;17%
pentanal
110-62-3

pentanal

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With C4H11FeMo6NO24(3-)*3C16H36N(1+); water; oxygen; sodium carbonate at 50℃; under 760.051 Torr; for 8h; Green chemistry;99%
With dihydrogen peroxide In acetic acid at 90℃; for 7h;98%
With 4H3N*4H(1+)*CuMo6O18(OH)6(4-); water; oxygen; sodium carbonate at 50℃; under 760.051 Torr; for 12h;98%
pentan-1-ol
71-41-0

pentan-1-ol

A

pentanal
110-62-3

pentanal

B

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With 2,2,6,6-tetramethyl-piperidine-N-oxyl; sodium acetate; 4,7-di-(NaSO3Ph)-[1.10]phenanthroline-Pd(OAc)2 In water at 100℃; under 22502.3 Torr; for 15h; pH=6.5 - 11.5;A 90%
B n/a
With 2O34W9Zn(12-)*W(6+)*3Zn(2+)*2H2O; dihydrogen peroxide In water; acetonitrile at 135℃; under 2250.23 Torr; for 0.25h; Microwave irradiation;A n/a
B 75%
With [γ-W10SiO36(PhPO)2][TBA]4; dihydrogen peroxide In acetonitrile at 90 - 120℃; for 0.833333h; microwave irradiation;A 59%
B n/a
pentanal
110-62-3

pentanal

isovaleraldehyde
590-86-3

isovaleraldehyde

A

3-methylbutyric acid
503-74-2

3-methylbutyric acid

B

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With oxygen; chromium; valerianate de potassium In water at 50℃; for 2.5h; Product distribution / selectivity;A n/a
B 90.3%
With oxygen; valerianate de potassium; copper In water at 50℃; for 2.5h; Product distribution / selectivity;A n/a
B 88.3%
With oxygen; sodium valerate; iron In water at 50℃; for 2.5h; Product distribution / selectivity;A n/a
B 86.2%
n-pentyl methyl ketone
110-43-0

n-pentyl methyl ketone

A

formic acid
64-18-6

formic acid

B

acetic acid
64-19-7

acetic acid

C

propionic acid
802294-64-0

propionic acid

D

hexanoic acid
142-62-1

hexanoic acid

E

butyric acid
107-92-6

butyric acid

F

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With oxygen; copper(II) nitrate In acetonitrile at 120℃; under 4500.45 Torr; for 7h;A 29%
B 64%
C 8%
D 22%
E 7%
F 18%
5-hydroxymethyl-4,5-dihydrofuranone
10374-51-3

5-hydroxymethyl-4,5-dihydrofuranone

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With palladium 10% on activated carbon; W(OTf)6; hydrogen; acetic acid at 150℃; under 15001.5 Torr; for 12h;45%
XYLITOL
87-99-0

XYLITOL

A

levulinic acid
123-76-2

levulinic acid

B

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With formaldehyd; ruthenium (III) bromide; hydrogen bromide; hydrogen; tetrabutyl phosphonium bromide In water at 200℃; under 30003 Torr;A 10%
B 10%
1,1,1-trifluorooctane-2,4-dione
81944-89-0

1,1,1-trifluorooctane-2,4-dione

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With oxygen; sodium hydrogencarbonate In acetonitrile for 4h; Molecular sieve; Irradiation;99%
2-Pentanone
107-87-9

2-Pentanone

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With Citroflex-4; chromium(lll) acetate at 9 - 15℃; for 4.33333h; Temperature;96%
hex-1-yne
693-02-7

hex-1-yne

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With tert.-butylhydroperoxide; indium(III) chloride In water at 90℃; for 12h;68%
With periodic acid; ruthenium trichloride In tetrachloromethane; water; acetonitrile at 20℃; for 2h; Oxidation;60%
With tetrachloromethane; ozone at 0℃;
cis-5-decene
7433-78-5

cis-5-decene

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With sodium periodate; ruthenium trichloride In tetrachloromethane; water; acetonitrile at 25℃; for 1h;87%
Conditions
ConditionsYield
With prereduced 1 wtpercent Pt-Ir alloy particle covered with ReOx supported on silica In decane; water at 179.84℃; under 3750.38 Torr; for 24h; Inert atmosphere; Autoclave;
caprolactam; 6-aminocaproic acid; 6-aminocaproic amide; nylon-6-oligomers; water; mixture of

caprolactam; 6-aminocaproic acid; 6-aminocaproic amide; nylon-6-oligomers; water; mixture of

A

caprolactam
105-60-2

caprolactam

B

pentamide
626-97-1

pentamide

C

5-hexenoic acid
1577-22-6

5-hexenoic acid

D

hexanoic acid
142-62-1

hexanoic acid

E

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
at 300℃; under 9000.9 Torr; for 5h;A 99%
B n/a
C n/a
D n/a
E n/a
Stage #1: caprolactam; 6-aminocaproic acid; 6-aminocaproic amide; nylon-6-oligomers; water; mixture of at 220℃; under 5250.53 - 52505.3 Torr; for 0.5h;
Stage #2: at 300℃; under 9000.9 - 90009 Torr; for 5h;
A 99%
B n/a
C n/a
D n/a
E n/a
ethyl n-valerate
539-82-2

ethyl n-valerate

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With potassium hydroxide In tetrahydrofuran; water; ethyl acetate74%
6-hydroxydecan-5-one
6540-98-3, 27620-76-4

6-hydroxydecan-5-one

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With oxygen; 2(μ-O) In dimethyl sulfoxide at 95℃; for 53h;66%
With oxygen; bismuth mandelate In dimethyl sulfoxide at 80℃; for 4.5h;66%
Conditions
ConditionsYield
With prereduced 5 wtpercent Pt-Ir alloy particle covered with ReOx supported on silica In decane; water at 179.84℃; under 3750.38 Torr; for 24h; Inert atmosphere; Autoclave;
pent-4-enoic acid
591-80-0

pent-4-enoic acid

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With sodium hydroxide; Triethoxysilane; water; propargyl alcohol; palladium diacetate for 5.5h; Ambient temperature;96%
With tetrakis[3,5-bis(trifluoromethyl)phenyl]boric acid bis(diethyl ether) complex; C32H63CoNP2Si; hydrogen In tetrahydrofuran at 60℃; under 760.051 Torr; for 24h;82%
6-hydroxydecan-5-one
6540-98-3, 27620-76-4

6-hydroxydecan-5-one

A

decane-5,6-dione
5579-73-7

decane-5,6-dione

B

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With 4 Angstroem MS; oxygen; tetrapropylammonium perruthennate In toluene Oxidation; Heating;A 56%
B 10%
(Z)-2-(2-chlorophenyl)-3,4-diphenyldec-3-en-5-yn-2-ol
864943-41-9

(Z)-2-(2-chlorophenyl)-3,4-diphenyldec-3-en-5-yn-2-ol

tetrahydrofuran
109-99-9

tetrahydrofuran

A

2-hydroperoxytetrahydrofuran
4676-82-8

2-hydroperoxytetrahydrofuran

B

5-(2-chlorophenyl)-5-methyl-3,4-diphenyl-5H-furan-2-one

5-(2-chlorophenyl)-5-methyl-3,4-diphenyl-5H-furan-2-one

C

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With oxygen; silver trifluoromethanesulfonate; (triphenylphosphine)gold(I) chloride at 50℃; for 3h;A n/a
B 82%
C 21%
pentanonitrile
110-59-8

pentanonitrile

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
enzyme from Synechocystis sp. PCC 6803 In phosphate buffer at 30℃; for 12h; pH=7.2;99%
With benzene-1,2-dicarboxylic acid at 250℃; under 7600 Torr; for 0.5h; microwave irradiation;98%
With benzene-1,2-dicarboxylic acid at 240℃; under 3040 Torr; for 1h;91%
4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

A

ethyl n-valerate
539-82-2

ethyl n-valerate

B

5-methyl-dihydro-furan-2-one
108-29-2

5-methyl-dihydro-furan-2-one

C

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With hydrogen; 10 wtpercent nickel/0.1 wtpercent platinum on silica Product distribution / selectivity;A n/a
B 77%
C n/a
With hydrogen; 10 wtpercent rhenium/0.1 wtpercent platinum on silica Product distribution / selectivity;A n/a
B 68%
C n/a
With hydrogen; 1 wtpercent ruthenium on silica Product distribution / selectivity;A n/a
B 54%
C n/a
valeric acid
109-52-4

valeric acid

pentanoic anhydride
2082-59-9

pentanoic anhydride

Conditions
ConditionsYield
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran Ambient temperature;94%
With dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 0.583333h; Time;91%
With acetic anhydride at 150℃; for 0.5h;88.5%
valeric acid
109-52-4

valeric acid

pentan-1-ol
71-41-0

pentan-1-ol

Conditions
ConditionsYield
With zinc(II) tetrahydroborate In tetrahydrofuran for 3h; Heating;95%
With hydrogen In neat (no solvent) at 180℃; under 37503.8 Torr; for 18h;83%
With hydrogen In water at 129.84℃; for 5h; Autoclave;77%
recorcinol
108-46-3

recorcinol

valeric acid
109-52-4

valeric acid

1-(2,4-dihydroxyphenyl) pentan-1-one
15116-13-9

1-(2,4-dihydroxyphenyl) pentan-1-one

Conditions
ConditionsYield
With zinc(II) chloride at 140 - 145℃; for 2h; Friedel Crafts acylation;80%
With boron trifluoride diethyl etherate In chlorobenzene at 80℃; Friedel-Crafts Acylation;70%
With zinc(II) chloride at 120℃; for 4h; Friedel-Crafts Acylation;24.2%
3-indolylacetic acid amidoxime
4404-18-6

3-indolylacetic acid amidoxime

valeric acid
109-52-4

valeric acid

C15H19N3O2

C15H19N3O2

Conditions
ConditionsYield
Stage #1: valeric acid With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In dichloromethane for 0.5h;
Stage #2: 3-indolylacetic acid amidoxime In dichloromethane at 20℃; for 2h;
85%
Stage #1: valeric acid With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In dichloromethane for 0.5h;
Stage #2: 3-indolylacetic acid amidoxime In dichloromethane at 20℃; for 2h;
(S)-4-Benzyl-2-oxazolidinone
90719-32-7

(S)-4-Benzyl-2-oxazolidinone

valeric acid
109-52-4

valeric acid

3-(1-oxopentyl)-4(S)-(phenylmethyl)-2-oxazolidinone
143868-89-7

3-(1-oxopentyl)-4(S)-(phenylmethyl)-2-oxazolidinone

Conditions
ConditionsYield
Stage #1: valeric acid With pivaloyl chloride; triethylamine In tetrahydrofuran at -10 - 15℃; for 2h; Large scale;
Stage #2: (S)-4-Benzyl-2-oxazolidinone With lithium chloride at 20℃; Large scale;
100%
Stage #1: valeric acid With pivaloyl chloride; triethylamine In tetrahydrofuran at -20 - -15℃; for 1h; Inert atmosphere;
Stage #2: (S)-4-Benzyl-2-oxazolidinone With lithium chloride In tetrahydrofuran at -20 - 20℃; for 16h; Solvent; Temperature; Reagent/catalyst;
98.12%
Stage #1: valeric acid With pivaloyl chloride; triethylamine In tetrahydrofuran at -10℃; for 0.5h; Inert atmosphere;
Stage #2: (S)-4-Benzyl-2-oxazolidinone With lithium chloride In tetrahydrofuran at 20 - 25℃; for 16h;
94%
cyanomethyl bromide
590-17-0

cyanomethyl bromide

valeric acid
109-52-4

valeric acid

2-(cyanomethyl)pentanoic acid

2-(cyanomethyl)pentanoic acid

Conditions
ConditionsYield
Stage #1: valeric acid With n-butyllithium; diethylamine In tetrahydrofuran; hexane at -78 - 0℃; for 0.75h; Inert atmosphere;
Stage #2: cyanomethyl bromide In tetrahydrofuran; hexane at -78 - 20℃; for 24h; Inert atmosphere;
78%
With n-butyllithium; diethylamine In tetrahydrofuran at 20℃; for 24h;71%
With n-butyllithium; diethylamine In tetrahydrofuran; hexane at -78 - 20℃;71%
benzylamine
100-46-9

benzylamine

valeric acid
109-52-4

valeric acid

pentanoic acid benzylamide
10264-05-8

pentanoic acid benzylamide

Conditions
ConditionsYield
With 6Zr(4+)*4O(2-)*6C14H8N2O4(2-)*4HO(1-) In tetrahydrofuran at 70℃; for 24h; Molecular sieve; Sealed tube; Inert atmosphere;97%
With zirconium(IV) chloride In tetrahydrofuran at 70℃; for 24h; Molecular sieve; Inert atmosphere;95%
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 0 - 20℃; for 14h; Inert atmosphere;86%
1-[4-(trifluoromethyl)phenyl]piperazine
30459-17-7

1-[4-(trifluoromethyl)phenyl]piperazine

valeric acid
109-52-4

valeric acid

1-(4-(4-(trifluoromethyl)phenyl)piperazin-1-yl)pentan-1-one
1432445-22-1

1-(4-(4-(trifluoromethyl)phenyl)piperazin-1-yl)pentan-1-one

Conditions
ConditionsYield
Stage #1: valeric acid With benzotriazol-1-ol; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine In N,N-dimethyl-formamide at 20℃; for 0.25h; Inert atmosphere;
Stage #2: 1-[4-(trifluoromethyl)phenyl]piperazine In N,N-dimethyl-formamide for 24h; Inert atmosphere;
57%
Stage #1: valeric acid With benzotriazol-1-ol; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine In N,N-dimethyl-formamide at 20℃; for 0.25h; Inert atmosphere; Schlenk technique;
Stage #2: 1-[4-(trifluoromethyl)phenyl]piperazine In N,N-dimethyl-formamide at 20℃; for 23h; Inert atmosphere; Schlenk technique;
57%
hydroquinone
123-31-9

hydroquinone

valeric acid
109-52-4

valeric acid

1-(2,5-dihydroxyphenyl)pentan-1-one
4693-17-8

1-(2,5-dihydroxyphenyl)pentan-1-one

Conditions
ConditionsYield
With boron trifluoride dihydrate at 90℃; for 0.333333h; Microwave irradiation;52.5%
With zinc(II) chloride
With boron trifluoride
valeric acid
109-52-4

valeric acid

2-Bromovaleric acid
584-93-0

2-Bromovaleric acid

Conditions
ConditionsYield
With bromine; phosphorus trichloride for 4.5h; Heating;91%
With N-Bromosuccinimide; sulfuric acid In trifluoroacetic acid at 85℃; for 16h;86%
With bromine; trichlorophosphate at 80 - 105℃; for 17h;72.6%
cycl-isopropylidene malonate
2033-24-1

cycl-isopropylidene malonate

valeric acid
109-52-4

valeric acid

5-(1-hydroxypentylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
66696-78-4

5-(1-hydroxypentylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃;96%
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 12h;
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

valeric acid
109-52-4

valeric acid

17-oxoandrost-5-ene-3β-yl pentanoate
7642-68-4

17-oxoandrost-5-ene-3β-yl pentanoate

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In chloroform at 20℃; for 2h;96.1%
With dmap; dicyclohexyl-carbodiimide In chloroform at 20℃; for 2h;96.7%
cholesterol
57-88-5

cholesterol

valeric acid
109-52-4

valeric acid

cholesteryl n-pentanoate
7726-03-6

cholesteryl n-pentanoate

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran at 20℃; for 36h;92.5%
glycerol
56-81-5

glycerol

valeric acid
109-52-4

valeric acid

Conditions
ConditionsYield
With palladium on activated charcoal; hydrogen at 120℃; under 37503.8 Torr; for 16h; Reagent/catalyst; Solvent; Temperature; Autoclave; Inert atmosphere;73%
With 5%-palladium/activated carbon; hydrogen at 20 - 120℃; under 37503.8 Torr; for 16h; Concentration; Autoclave;72%
With palladium on activated charcoal; hydrogen In neat (no solvent) at 120℃; under 37503.8 Torr; for 16h;
6-bromotryptamine
96624-18-9

6-bromotryptamine

valeric acid
109-52-4

valeric acid

6-bromo-N-pentoyltryptamine

6-bromo-N-pentoyltryptamine

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 12h;81%
2-(4-(hydroxymethyl)-4,5-dihydrooxazol-2-yl)phenol
1344732-94-0

2-(4-(hydroxymethyl)-4,5-dihydrooxazol-2-yl)phenol

valeric acid
109-52-4

valeric acid

(2-(2-hydroxyphenyl)-4,5-dihydrooxazol-4-yl)methyl pentanoate

(2-(2-hydroxyphenyl)-4,5-dihydrooxazol-4-yl)methyl pentanoate

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 6h;79%
(S)-4-phenyl-2-oxazolidinone
99395-88-7

(S)-4-phenyl-2-oxazolidinone

valeric acid
109-52-4

valeric acid

(4S)-3-pentanoyl-4-phenyl-1,3-oxazolidin-2-one

(4S)-3-pentanoyl-4-phenyl-1,3-oxazolidin-2-one

Conditions
ConditionsYield
Stage #1: valeric acid With pivaloyl chloride; sodium hydrogencarbonate In tert-butyl methyl ether at -40℃; for 10h; Inert atmosphere;
Stage #2: (S)-4-phenyl-2-oxazolidinone With lithium chloride In tert-butyl methyl ether at 35 - 40℃; for 4h;
90%
Stage #1: (S)-4-phenyl-2-oxazolidinone; valeric acid With dmap In dichloromethane at 25 - 30℃; for 0.166667h;
Stage #2: With dicyclohexyl-carbodiimide In dichloromethane at 5 - 10℃; for 12h;
243.6 g
isobutylamine
78-81-9

isobutylamine

valeric acid
109-52-4

valeric acid

N-isobutylpentanamide

N-isobutylpentanamide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; chlorotri(pyrrolidin-1-yl)phosphonium hexafluorophosphate In N,N-dimethyl-formamide at 0 - 20℃; for 12h;80%
Pentaerythritol
115-77-5

Pentaerythritol

valeric acid
109-52-4

valeric acid

pentaerythritol tetrapentanoate ester
15834-04-5

pentaerythritol tetrapentanoate ester

Conditions
ConditionsYield
With sulfuric acid; toluene-4-sulfonic acid at 105℃; for 0.15h; Neat (no solvent); Microwave irradiation;97%
at 180℃;
With toluene-4-sulfonic acid In xylene Esterification; Heating;274 g
In toluene at 155℃; for 10h; Green chemistry;98 %Spectr.
With (cetyltrimethylammonium)1/3[Cu46(C9H3O6)24(OH)12](PW12O40)3·xH2O (COK-15b) In toluene at 135℃; for 6h; Green chemistry;91 %Spectr.
2-phenylethanol
60-12-8

2-phenylethanol

valeric acid
109-52-4

valeric acid

phenethylpentanoate
7460-74-4

phenethylpentanoate

Conditions
ConditionsYield
With ion-exchange resin KU-2-8 In benzene at 80 - 85℃;89%
With tin (II) oxalate at 170 - 210℃; under 50 - 100 Torr; for 2h;75%
glucomannan acetate

glucomannan acetate

valeric acid
109-52-4

valeric acid

glucomannan acetate valerate, DS 1 (acetyl) and 2 (valeroyl)

glucomannan acetate valerate, DS 1 (acetyl) and 2 (valeroyl)

Conditions
ConditionsYield
Stage #1: valeric acid With trifluoroacetic anhydride at 50℃; for 0.333333h;
Stage #2: glucomannan acetate at 50℃; for 0.5h; Inert atmosphere;
77%
piperidine
110-89-4

piperidine

valeric acid
109-52-4

valeric acid

1-(piperidin-1-yl)pentan-1-one
18494-52-5

1-(piperidin-1-yl)pentan-1-one

Conditions
ConditionsYield
With tris(2,2,2-trifluoroethyl) borate for 18h; Dean-Stark; Reflux;91%
With copper In benzene at 80℃; for 8h;75%
N-((4aS,7aR)-7a-((1R,2R)-2-aminocyclopropyl)-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)benzamide

N-((4aS,7aR)-7a-((1R,2R)-2-aminocyclopropyl)-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)benzamide

valeric acid
109-52-4

valeric acid

N-((4aS,7aR)-7a-((1R,2R)-2-pentanamidocyclopropyl)-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)benzamide

N-((4aS,7aR)-7a-((1R,2R)-2-pentanamidocyclopropyl)-4a,5,7,7a-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)benzamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane; N,N-dimethyl-formamide at 20℃; Inert atmosphere;83%

Valeric acid Consensus Reports

Reported in EPA TSCA Inventory.

Valeric acid Specification

The Valeric acid is an organic compound with the formula C5H10O2. The IUPAC name of this chemical is Pentanoic acid. With the CAS registry number 109-52-4, it is also named as 1-Butanecarboxylate. The product's categories are API Intermediates; Alkylcarboxylic Acids; Monofunctional & alpha,omega-Bifunctional Alkanes; Monofunctional Alkanes; Aliphatics; Carboxylic Acids. Besides, it should be stored in a cool and well-ventilated place. Its primary use is in the synthesis of its esters. Volatile esters of valeric acid tend to have pleasant odors and are used in perfumes and cosmetics. Ethyl valerate and pentyl valerate are used as food additives because of their fruity flavors.

Physical properties about Valeric acid are: (1)ACD/LogP: 1.31 ; (2)ACD/LogD (pH 5.5): 0.51; (3)ACD/LogD (pH 7.4): -1.28; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 19.58; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 2; (9)#H bond donors: 1; (10)#Freely Rotating Bonds: 3; (11)Polar Surface Area: 26.3 Å2; (12)Index of Refraction: 1.42; (13)Molar Refractivity: 26.77 cm3; (14)Molar Volume: 105.6 cm3; (15)Polarizability: 10.61×10-24cm3; (16)Surface Tension: 32.7 dyne/cm; (17)Density: 0.966 g/cm3; (18)Flash Point: 80.5 °C; (19)Enthalpy of Vaporization: 44.57 kJ/mol; (20)Boiling Point: 185.3 °C at 760 mmHg; (21)Vapour Pressure: 0.452 mmHg at 25°C.

Preparation: this chemical can be prepared by Tetrahydro-pyran-2-one. This reaction will need solvent hexamethylphosphoric acid triamide, H2O. The reaction time is 17 hours. The yield is about 60%.



Uses of Valeric acid: it can be used to produce 1-(4-methoxy-phenyl)-pentan-1-one. It will need reagent polyphosphoric acid.

When you are using this chemical, please be cautious about it as the following:
It can cause burns. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Besides, this chemical is harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. When you are using it, wear suitable protective clothing and avoid release to the environment. Refer to special instructions/safety data sheet. In case of accident or if you feel unwell seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)CCCC
(2)InChI: InChI=1/C5H10O2/c1-2-3-4-5(6)7/h2-4H2,1H3,(H,6,7)
(3)InChIKey: NQPDZGIKBAWPEJ-UHFFFAOYAU
(4)Std. InChI: InChI=1S/C5H10O2/c1-2-3-4-5(6)7/h2-4H2,1H3,(H,6,7)
(5)Std. InChIKey: NQPDZGIKBAWPEJ-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LC50 inhalation 4100mg/m3/2H (4100mg/m3)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 119, 1982.
mouse LD50 intraperitoneal 3590mg/kg (3590mg/kg)   Journal of Pharmacy and Pharmacology. Vol. 21, Pg. 85, 1969.
mouse LD50 intravenous 1290mg/kg (1290mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION
Acta Pharmacologica et Toxicologica. Vol. 18, Pg. 141, 1961.
mouse LD50 oral 600mg/kg (600mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 119, 1982.
mouse LD50 subcutaneous 3590mg/kg (3590mg/kg)   Journal of Pharmacy and Pharmacology. Vol. 21, Pg. 85, 1969.

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