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Propyl butyrate

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Propyl butyrate Basic information

Product Name:
Propyl butyrate
Synonyms:
  • 1-propylbutanoate
  • 1-propylbutyrate
  • Butanoicacid,propylester
  • Butyricaidpropylester
  • n-Butyric acdi n-propyl ester
  • PROPYL BUTYRATE 98+%
  • PROPYL BUTYRATE 95+% NATURAL
  • N-BUTYRIC ACID N-PROPYL ESTER 98+%
CAS:
105-66-8
MF:
C7H14O2
MW:
130.18
EINECS:
203-320-0
Mol File:
105-66-8.mol
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Propyl butyrate Chemical Properties

Melting point:
95°C
Boiling point:
142-143 °C (lit.)
Density 
0.873 g/mL at 25 °C (lit.)
FEMA 
2934 | PROPYL BUTYRATE
refractive index 
n20/D 1.4(lit.)
Flash point:
102 °F
storage temp. 
Flammables area
Odor Threshold
0.011ppm
Water Solubility 
1.614g/L(17 ºC)
JECFA Number
150
Merck 
14,7846
BRN 
1745552
CAS DataBase Reference
105-66-8(CAS DataBase Reference)
NIST Chemistry Reference
Butanoic acid, propyl ester(105-66-8)
EPA Substance Registry System
Butanoic acid, propyl ester (105-66-8)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
10-36/37/38
Safety Statements 
16-26-36
RIDADR 
UN 3272 3/PG 3
WGK Germany 
2
RTECS 
ET6200000
HazardClass 
3.2
PackingGroup 
III
HS Code 
29156000
Toxicity
LD50 orally in rats: 15,000 mg/kg, P. M. Jenner et al., Food Cosmet. Toxicol. 2, 327 (1964)

MSDS

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Propyl butyrate Usage And Synthesis

Chemical Properties

Clear colorless liquid

Chemical Properties

Propyl butyrate has a pineapple and apricot-like odor with a sweet, fruity flavor of banana and pineapple. The odor is also described as sharp, pungent, rancid, sweaty and sickening.

Occurrence

Reported found in fresh apple, cooked apple, apricot, banana, lemon papaya, Camembert cheese, Gruyere de Comte cheese, provolone cheese, purple passion fruit juice, apple juice, rum, fresh plums, jack fruit, ceriman or pinanona (Monstera deliciosa Liebm.), papaya, spineless monkey orange, starfruit, kiwifruit, wood apple and cherimoya.

Uses

Solvent mixture for cellulose ethers.

Preparation

From propyl alcohol and butyric acid in the presence of p-toluenesulfonic acid in benzene solution at the boil.

Aroma threshold values

Detection: 0.8 to 124 ppb

Taste threshold values

Taste characteristics at 20 ppm: sweet, fruity, tutti-frutti, bubble gum and pineapple-like, with a slight green nuance.

Synthesis Reference(s)

The Journal of Organic Chemistry, 58, p. 6421, 1993 DOI: 10.1021/jo00075a043

Hazard

Irritant to mucous membranes, narcotic in high concentration.

Propyl butyrateSupplier

J & K SCIENTIFIC LTD.
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010-82848833- ;010-82848833-
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jkinfo@jkchemical.com;market6@jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
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21-61259100-
Email
sh@meryer.com
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386 / 800-988-0390
Email
Sales-CN@TCIchemicals.com
Energy Chemical
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021-58432009-
Email
sales8178@energy-chemical.com
Adamas Reagent, Ltd.
Tel
400-600-9262
Email
bxy@titansci.com