Product Name

  • Name

    Butyl butyrate

  • EINECS 203-656-8
  • CAS No. 109-21-7
  • Article Data279
  • CAS DataBase
  • Density 0.8675 g/cm3
  • Solubility Insoluble in water, but soluble in ethanol and ethyl ether
  • Melting Point -92 °C
  • Formula C8H16O2
  • Boiling Point 165 °C at 760 mmHg
  • Molecular Weight 144.214
  • Flash Point 49.4 °C
  • Transport Information UN 3272 3/PG 3
  • Appearance clear colorless to pale yellowish liquid
  • Safety 2
  • Risk Codes 10
  • Molecular Structure Molecular Structure of 109-21-7 (Butyl butyrate)
  • Hazard Symbols R10:;
  • Synonyms Butyl butanoate;n-Butyl n-butanoate;1-Butyl butyrate;n-Butyl butyrate;
  • PSA 26.30000
  • LogP 2.12980

Synthetic route

butyric acid
107-92-6

butyric acid

butan-1-ol
71-36-3

butan-1-ol

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
With [Al(H2O)6][MS]3 In cyclohexane for 1h; Reagent/catalyst; Dean-Stark; Reflux;100%
With Candida antarctica B lipase In 2,2,4-trimethylpentane at 40℃; for 3h; Enzymatic reaction;98%
With DOOl-AlCl3 superacid resin for 1.5h; Heating;97%
butan-1-ol
71-36-3

butan-1-ol

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
With C29H44Cl2N2Ru; potassium tert-butylate In toluene for 15h; Reagent/catalyst; Time; Reflux;100%
Ru complex at 118℃; for 12h; Inert atmosphere;99%
With dihydrogen peroxide; bromine In dichloromethane; water at 20℃; for 2h;99%
butyraldehyde
123-72-8

butyraldehyde

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
With trimethylaluminum; benzene-1,2-diol; isopropyl alcohol In dichloromethane at 20℃; for 2h;99%
With tris(bis(trimethylsilyl)amido)lanthanum(III) In hexane; pentane at -78 - 20℃;45%
With aluminum ethoxide
butanoic acid anhydride
106-31-0

butanoic acid anhydride

butan-1-ol
71-36-3

butan-1-ol

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
With ruthenium(III) 2,4-pentanedionate at 25℃; for 1h;98%
CoCl2 In acetonitrile for 2h; Ambient temperature;89%
With dmap; triethylamine In dichloromethane
In p-cymene at 50℃; Kinetics; Solvent;
1-Chloropropane
540-54-5

1-Chloropropane

propoxycarbonyl chloride
109-61-5

propoxycarbonyl chloride

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
Stage #1: 1-Chloropropane With magnesium; 1,2-dibromomethane In toluene at 60℃; for 3h; Inert atmosphere;
Stage #2: propoxycarbonyl chloride With aluminum (III) chloride; manganese(ll) chloride In toluene at 0 - 20℃; for 2.25h; Inert atmosphere;
95%
triethylsilane
617-86-7

triethylsilane

A

triethylsilyl iodide
1112-49-8

triethylsilyl iodide

B

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
With butyryl iodide; bis(acetylacetonate)nickel(II) at 20℃; for 2h;A 90%
B 81%
butyryl iodide
78209-72-0

butyryl iodide

A

triethylsilyl iodide
1112-49-8

triethylsilyl iodide

B

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
With triethylsilane; bis(acetylacetonate)nickel(II) at 20℃; for 2h;A 90%
B 81%
1-bromo-butane
109-65-9

1-bromo-butane

sodium butyrate
156-54-7

sodium butyrate

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
With polyethylene glycol 400 at 65 - 70℃; for 3.5h;90%
(PPh3)3CoH(N2)
21373-88-6, 16920-54-0

(PPh3)3CoH(N2)

phenyl butanoate
4346-18-3

phenyl butanoate

A

HCo(CO)(P(C6H5)3)3
53729-69-4, 21329-67-9

HCo(CO)(P(C6H5)3)3

B

phenoxotris(triphenylphosphine)cobalt(I)
91583-66-3

phenoxotris(triphenylphosphine)cobalt(I)

C

propane
74-98-6

propane

D

butyl butyrate
109-21-7

butyl butyrate

E

nitrogen
7727-37-9

nitrogen

Conditions
ConditionsYield
In toluene byproducts: H2; n-PrCO2Ph added to CoH(N2)(PPh3)3 in toluene in vac., reacted for 1 day at room temp.; liquid phase analysed by GLC; hexane added, ppt. filtered, washed with hexane, dried in vac., recrystd. from C6H6-hexane;A n/a
B 60%
C 12%
D 38%
E 89%
butanoic acid ethyl ester
105-54-4

butanoic acid ethyl ester

butan-1-ol
71-36-3

butan-1-ol

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
With rape seed lipase In hexane at 40℃; for 48h; Enzymatic reaction;88%
With Candida antarctica lipase B (Novozym 435); 1-butyl-3-methylimidazolium Tetrafluoroborate at 40℃; for 24h; Product distribution; Kinetics; Further Variations:; Reaction partners; Reagents;
With Candida antartica lipase B at 100℃; Enzyme kinetics; Further Variations:; Reagents; Temperatures;
butyraldehyde
123-72-8

butyraldehyde

A

butyl butyrate
109-21-7

butyl butyrate

B

butyric acid
107-92-6

butyric acid

C

butan-1-ol
71-36-3

butan-1-ol

Conditions
ConditionsYield
With dihydridotetrakis(triphenylphosphine)ruthenium; water; 1-Phenylbut-1-en-3-one In 1,2-dimethoxyethane at 180℃; for 24h; Product distribution; Mechanism; in the absence of hydrogen acceptor (benzalacetone); other aldehydes;A n/a
B 85%
C n/a
triethylsilane
617-86-7

triethylsilane

A

triethylsilyl chloride
994-30-9

triethylsilyl chloride

B

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
With butyryl chloride; bis(acetylacetonate)nickel(II) at 90℃; for 2h;A 83%
B 68%
n-pentyldimethylsilane
29681-51-4

n-pentyldimethylsilane

A

butyl butyrate
109-21-7

butyl butyrate

B

dimethylpentylsilylchloride
25938-34-5

dimethylpentylsilylchloride

Conditions
ConditionsYield
With butyryl chloride; bis(acetylacetonate)nickel(II) at 90℃; for 2h;A 69%
B 81%
dimethylhexylsilane
63246-85-5

dimethylhexylsilane

A

butyl butyrate
109-21-7

butyl butyrate

B

dimethylhexylsilyl chloride
3634-59-1

dimethylhexylsilyl chloride

Conditions
ConditionsYield
With butyryl chloride; bis(acetylacetonate)nickel(II) at 90℃; for 2h;A 64%
B 81%
butanoic acid anhydride
106-31-0

butanoic acid anhydride

(PPh3)3CoH(N2)
21373-88-6, 16920-54-0

(PPh3)3CoH(N2)

A

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

Co(OCO-n-C3H7)

B

propane
74-98-6

propane

C

butyl butyrate
109-21-7

butyl butyrate

D

nitrogen
7727-37-9

nitrogen

E

hydrogen
1333-74-0

hydrogen

Conditions
ConditionsYield
In toluene in toluene at room temp. for 1 day;A n/a
B 16%
C 30%
D 81%
E 13%
butyryl chloride
141-75-3

butyryl chloride

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
With triethylsilane; iron(III)-acetylacetonate at 20℃;80%
dihydridotetrakis(triphenylphosphine)ruthenium
27599-25-3, 54083-06-6, 19529-00-1

dihydridotetrakis(triphenylphosphine)ruthenium

butyraldehyde
123-72-8

butyraldehyde

A

RuH(OCOC3H7)(P(C6H5)3)3
25087-79-0

RuH(OCOC3H7)(P(C6H5)3)3

B

butyl butyrate
109-21-7

butyl butyrate

C

butan-1-ol
71-36-3

butan-1-ol

Conditions
ConditionsYield
In neat (no solvent) educts mixed at in vac., stirred at -30°C for 2 h; evapd. in vac., solid washed with Et2O and hexane, dissolved in toluene, filtered, concd. in vac., ppt. filtered, washed with hexane, dried in vac.;A 80%
B n/a
C <1
In neat (no solvent) educts mixed at in vac., stirred at 0°C for 2 h; evapd. in vac., solid washed with Et2O and hexane, dissolved in toluene, filtered, concd. in vac., ppt. filtered, washed with hexane, dried in vac.;A n/a
B 0%
C <1
propyl cyanide
109-74-0

propyl cyanide

butan-1-ol
71-36-3

butan-1-ol

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
With Bromotrichloromethane; [4,4’-bis(1,1-dimethylethyl)-2,2’-bipyridine-N1,N1‘]bis [3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-N]phenyl-C]iridium(III) hexafluorophosphate at 20℃; for 12h; Irradiation; Inert atmosphere;80%
butan-1-ol
71-36-3

butan-1-ol

A

butyl butyrate
109-21-7

butyl butyrate

B

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With pyridine; 4-acetylamino-2,2,6,6-tetramethylpiperidine-N-oxyl; iodine; sodium hydrogencarbonate In dichloromethane; water at 20 - 25℃; for 3h;A 79.7%
B 20.3%
With sodium chlorate; sulfuric acid; vanadia
With chromium(III) oxide; sulfuric acid
normal butyl hypochlorite
5923-22-8

normal butyl hypochlorite

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
In tetrachloromethane for 4h; Irradiation;78%
In benzene Ambient temperature; Irradiation;78%
butan-1-ol
71-36-3

butan-1-ol

A

butyl butyrate
109-21-7

butyl butyrate

B

butyric acid
107-92-6

butyric acid

Conditions
ConditionsYield
With sodium bromate; sodium hydrogensulfite for 2h; Ambient temperature;A 76%
B 5%
With sodium bromate; sodium hydrogensulfite for 2h; Product distribution; Mechanism; Ambient temperature; other primary alcohols and α,ω-diols, var. solvents, temp. and time;A 76%
B 5%
With [pentamethylcyclopentadienyl*Ir(2,2′-bpyO)(OH)][Na]; sodium hydroxide In water for 40h; Time; Reflux; Inert atmosphere;A 22%
B 70%
butyryl chloride
141-75-3

butyryl chloride

A

methyldiethylchlorosilane
17680-28-3

methyldiethylchlorosilane

B

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
With diethylmethylsilane; bis(acetylacetonate)nickel(II) at 90℃; for 2h;A 76%
B 68%
1-butoxy-1-isobutoxy butane
20266-12-0

1-butoxy-1-isobutoxy butane

A

2-methyl-propan-1-ol
78-83-1

2-methyl-propan-1-ol

B

butyl butyrate
109-21-7

butyl butyrate

C

isobutyl n-butyrate
539-90-2

isobutyl n-butyrate

D

isobutyric Acid
79-31-2

isobutyric Acid

E

butyric acid
107-92-6

butyric acid

F

butan-1-ol
71-36-3

butan-1-ol

Conditions
ConditionsYield
With oxygen; cobalt(II) acetate at 90℃; under 750.06 Torr; Mechanism; Rate constant; other oxygen pressure;A 5.5%
B 3%
C 3.5%
D 5%
E 73.5%
F 7%
dibutyl ether
142-96-1

dibutyl ether

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
With manganese (VII)-oxide In tetrachloromethane; acetone at -45℃;73%
With zinc dichromate(VI) In dichloromethane for 3h; Ambient temperature;60%
With sodium bromate; hydrogen bromide In dichloromethane at 35 - 40℃; for 20h;54%
Octanal
124-13-0

Octanal

butan-1-ol
71-36-3

butan-1-ol

A

butyl butyrate
109-21-7

butyl butyrate

B

Octanoic acid
124-07-2

Octanoic acid

C

butyl octanoate
589-75-3

butyl octanoate

Conditions
ConditionsYield
With sodium bromate; sodium hydrogensulfite for 2h; Ambient temperature;A 17%
B 13%
C 70%
dibutyl ether
142-96-1

dibutyl ether

butyryl chloride
141-75-3

butyryl chloride

A

octane-4,5-dione
5455-24-3

octane-4,5-dione

B

butyl butyrate
109-21-7

butyl butyrate

Conditions
ConditionsYield
CoCl2 In acetonitrile Ambient temperature;A 10%
B 68%
dibutyl ether
142-96-1

dibutyl ether

A

butyl butyrate
109-21-7

butyl butyrate

B

butyric acid
107-92-6

butyric acid

C

butan-1-ol
71-36-3

butan-1-ol

Conditions
ConditionsYield
With dihydrogen peroxide; bromine In dichloromethane; water at 20℃; for 4h;A 65%
B 8%
C 10%
ethanol
64-17-5

ethanol

crotonaldehyde
123-73-9

crotonaldehyde

A

ethyl crotonate
10544-63-5

ethyl crotonate

B

butyl butyrate
109-21-7

butyl butyrate

C

butan-1-ol
71-36-3

butan-1-ol

Conditions
ConditionsYield
With sodium carbonate; rhodium(III) chloride; triphenylphosphine for 5h; Heating;A 8 % Chromat.
B 61%
C 31%
crotonaldehyde
123-73-9

crotonaldehyde

A

ethyl crotonate
10544-63-5

ethyl crotonate

B

butyl butyrate
109-21-7

butyl butyrate

C

butan-1-ol
71-36-3

butan-1-ol

Conditions
ConditionsYield
With ethanol; sodium carbonate; rhodium(III) chloride; triphenylphosphine for 5h; Heating;A 8%
B 61%
C 31%
butyl butyrate
109-21-7

butyl butyrate

butan-1-ol
71-36-3

butan-1-ol

Conditions
ConditionsYield
With C30H34Cl2N2P2Ru; potassium methanolate; hydrogen In tetrahydrofuran at 100℃; under 38002.6 - 76005.1 Torr; for 15h; Glovebox; Autoclave;98%
With hydrogen at 223.84℃; under 5625.56 Torr; Kinetics; Thermodynamic data; Concentration; Pressure; Temperature; neat (no solvent, gas phase);
With [RuH(η2-BH4)(2-di-tert-butylphosphinomethyl-6-diethylaminomethylpyridine)]; hydrogen In tetrahydrofuran at 110℃; under 7600.51 Torr; for 12h; Autoclave;97 %Chromat.
hexan-1-amine
111-26-2

hexan-1-amine

butyl butyrate
109-21-7

butyl butyrate

N-hexylbutanamide
10264-17-2

N-hexylbutanamide

Conditions
ConditionsYield
With carbonylhydrido[6-(di-tert-butylphosphinomethylene)-2-(N,N-diethylaminomethyl)-1,6-dihydropyridine]ruthenium(II) In toluene; benzene at 135℃; for 24h; Inert atmosphere;97%
morpholine
110-91-8

morpholine

butyl butyrate
109-21-7

butyl butyrate

(N-morpholin-4-yl)butan-1-one
5327-51-5

(N-morpholin-4-yl)butan-1-one

Conditions
ConditionsYield
With carbonylhydrido[6-(di-tert-butylphosphinomethylene)-2-(N,N-diethylaminomethyl)-1,6-dihydropyridine]ruthenium(II) In toluene; benzene at 135℃; for 21h; Inert atmosphere;95%
With carbonylhydrido(tetrahydroborato)[bis(2-diphenylphosphinoethyl)-amino]ruthenium(II); potassium tert-butylate In toluene at 120℃; for 48h; Inert atmosphere; Schlenk technique; Reflux; Green chemistry;55%
piperidine
110-89-4

piperidine

butyl butyrate
109-21-7

butyl butyrate

1-(piperidin-1-yl)butan-1-one
4637-70-1

1-(piperidin-1-yl)butan-1-one

Conditions
ConditionsYield
With carbonylhydrido[6-(di-tert-butylphosphinomethylene)-2-(N,N-diethylaminomethyl)-1,6-dihydropyridine]ruthenium(II) In toluene; benzene at 135℃; for 19h; Inert atmosphere;94%
1-methyl-piperazine
109-01-3

1-methyl-piperazine

butyl butyrate
109-21-7

butyl butyrate

1-(4-methylpiperazin-1-yl)butan-1-one
10001-51-1

1-(4-methylpiperazin-1-yl)butan-1-one

Conditions
ConditionsYield
With carbonylhydrido[6-(di-tert-butylphosphinomethylene)-2-(N,N-diethylaminomethyl)-1,6-dihydropyridine]ruthenium(II) In toluene; benzene at 135℃; for 24h; Inert atmosphere;94%
butyl butyrate
109-21-7

butyl butyrate

cyclohexanol
108-93-0

cyclohexanol

cyclohexyl butyrate
1551-44-6

cyclohexyl butyrate

Conditions
ConditionsYield
With carbonylhydrido[6-(di-tert-butylphosphinomethylene)-2-(N,N-diethylaminomethyl)-1,6-dihydropyridine]ruthenium(II) In toluene for 34h; Inert atmosphere; Reflux;92%
butyl butyrate
109-21-7

butyl butyrate

para-fluorobenzylamine
140-75-0

para-fluorobenzylamine

N-(4-fluorobenzyl)butyramide

N-(4-fluorobenzyl)butyramide

Conditions
ConditionsYield
With C31H40MnN2O3P*C6H14O; potassium tert-butylate In toluene; 1,3,5-trimethyl-benzene at 110℃; for 48h; Schlenk technique;88%
bromobenzene
108-86-1

bromobenzene

butyl butyrate
109-21-7

butyl butyrate

1,1-diphenylbutan-1-ol
5331-17-9

1,1-diphenylbutan-1-ol

Conditions
ConditionsYield
With magnesium; copper(II) oxide In tetrahydrofuran at 65℃; for 4h; Barbier Coupling Reaction; chemoselective reaction;87%
With magnesium; copper(II) oxide In tetrahydrofuran at 65℃; for 4h; chemoselective reaction;87%
butyl butyrate
109-21-7

butyl butyrate

phenethylamine
64-04-0

phenethylamine

N-(2-phenylethyl)butanamide
6283-13-2

N-(2-phenylethyl)butanamide

Conditions
ConditionsYield
With C31H40MnN2O3P*C6H14O; potassium tert-butylate In toluene; 1,3,5-trimethyl-benzene at 110℃; for 48h; Schlenk technique;85%
butyl butyrate
109-21-7

butyl butyrate

para-bromotoluene
106-38-7

para-bromotoluene

1,1-di(p-tolyl)butan-1-ol
31067-10-4

1,1-di(p-tolyl)butan-1-ol

Conditions
ConditionsYield
With magnesium; copper(II) oxide In tetrahydrofuran at 65℃; for 4h; Barbier Coupling Reaction; chemoselective reaction;83%
With magnesium; copper(II) oxide In tetrahydrofuran at 65℃; for 4h; chemoselective reaction;83%
butyl butyrate
109-21-7

butyl butyrate

benzylamine
100-46-9

benzylamine

N-benzylbutyramide
10264-14-9

N-benzylbutyramide

Conditions
ConditionsYield
With carbonylhydrido(tetrahydroborato)[bis(2-diphenylphosphinoethyl)-amino]ruthenium(II); potassium tert-butylate In toluene at 120℃; for 48h; Inert atmosphere; Schlenk technique; Reflux; Green chemistry;82%
butyl butyrate
109-21-7

butyl butyrate

aniline
62-53-3

aniline

N-phenylbutyramide
1129-50-6

N-phenylbutyramide

Conditions
ConditionsYield
With carbonylhydrido(tetrahydroborato)[bis(2-diphenylphosphinoethyl)-amino]ruthenium(II); potassium tert-butylate In toluene at 120℃; for 48h; Inert atmosphere; Schlenk technique; Reflux; Green chemistry;80%

Butyl butyrate Consensus Reports

Reported in EPA TSCA Inventory.

Butyl butyrate Specification

The Butanoic acid, butyl ester, with the CAS registry number 109-21-7, is also known as n-Butyl n-butanoate. It belongs to the product categories of A-B Alphabetic; Alpha Sort; Chemical Class; Esters Analytical Standards; Solvents; Volatiles/ Semivolatiles; A-B; A-B Flavors and Fragrances; Alphabetical Listings; Certified Natural Products; Flavors and Fragrances; C8 to C9; Carbonyl Compounds; Esters. Its EINECS number is 203-656-8. This chemical's molecular formula is C8H16O2 and molecular weight is 144.21. What's more, its systematic name is butyl butanoate. Its classification code is Skin / Eye Irritant. This chemical is stable under normal temperatures and pressures. It should be sealed and stored in a cool and dry place. Moreover, it should be protected from oxides, bases, acids, heat and fire. It is a marine pollutant. It mildly irritates the eyes and skin. It is flammable and you should keep it out of the reach of children. Like other volatile esters, it has a pleasant aroma. It is used in the flavor industry to create sweet fruity flavors that are similar to that of pineapple. It occurs in many kinds of fruit including apple, banana, berries, pear, plum, and strawberry. It is used in organic synthesis. It can be used as solvents of nitrification cellulose, shellac, coumarone resin and coating.

Physical properties of Butanoic acid, butyl ester are: (1)ACD/LogP: 2.83; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.83; (4)ACD/LogD (pH 7.4): 2.83; (5)ACD/BCF (pH 5.5): 83.88; (6)ACD/BCF (pH 7.4): 83.88; (7)ACD/KOC (pH 5.5): 829.01; (8)ACD/KOC (pH 7.4): 829.01; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 26.3 Å2; (13)Index of Refraction: 1.412; (14)Molar Refractivity: 40.88 cm3; (15)Molar Volume: 164 cm3; (16)Polarizability: 16.2×10-24cm3; (17)Surface Tension: 27.3 dyne/cm; (18)Density: 0.878 g/cm3; (19)Flash Point: 49.4 °C; (20)Enthalpy of Vaporization: 40.15 kJ/mol; (21)Boiling Point: 165 °C at 760 mmHg; (22)Vapour Pressure: 1.91 mmHg at 25°C.

Preparation of Butanoic acid, butyl ester: this chemical can be prepared by butyraldehyde at the temperature of 20 °C. This reaction will need reagents catechol, Me3Al, iPrOH and solvent CH2Cl2 with the reaction time of 2 hours. The yield is about 99%.

Butanoic acid, butyl ester can be prepared by butyraldehyde at the temperature of 20 °C

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(OCCCC)CCC
(2)Std. InChI: InChI=1S/C8H16O2/c1-3-5-7-10-8(9)6-4-2/h3-7H2,1-2H3
(3)Std. InChIKey: XUPYJHCZDLZNFP-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 8900mg/kg (8900mg/kg)   Food and Cosmetics Toxicology. Vol. 17, Pg. 521, 1979.
rabbit LD50 oral 9520mg/kg (9520mg/kg)   Industrial Medicine and Surgery. Vol. 41, Pg. 31, 1972.
rabbit LD50 skin > 5gm/kg (5000mg/kg)   Food and Cosmetics Toxicology. Vol. 17, Pg. 521, 1979.
rat LD50 intraperitoneal 2300mg/kg (2300mg/kg)   Food and Cosmetics Toxicology. Vol. 17, Pg. 521, 1979.

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