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    General Material Information
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2-ethyl butyric acid

Chemical Structure

General Material Information

Preferred name 2-ethyl butyric acid
Trivial Name 2-Ethylbutanoic acid
Short Description 2-ethylbutyric acid
Formula C6 H12 O2
CAS Number 88-09-5
FEMA Number 2429
Flavis Number 8.045
ECHA Number 201-796-4
FDA UNII IDY8B990KE
Nikkaji Number J3.213A
Beilstein Number 1098634
MDL MFCD00002670
COE Number 2001
Bio Activity Summary External link
NMR Predictor External link
JECFA Food Flavoring 257 2-ethylbutyric acid
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 88-09-5 ; 2-ETHYLBUTYRIC ACID
Synonyms
  • acetic acid, diethyl-
  • butanoic acid, 2-ethyl-
  • butyric acid, 2-ethyl-
  • diethyl acetic acid
  • diethylacetic acid
  • 2-ethyl butanoic acid
  • alpha- ethyl butyric acid
  • 2-ethyl-butanoic acid
  • 2-ethyl-butyric acid
  • 2-ethylbutanoic acid
  • 2-ethylbutyric acid
  • a- ethylbutyric acid
  • alpha- ethylbutyric acid
  • 2-ethylbutyric acid FCC
  • 2-ethylbutyricacid
  • 3-pentane carboxylic acid
  • 3-pentanecarboxylic acid
  • Butyric acid, α-ethyl-
  • 2-Ethylbutanoic acid
  • α-Ethylbutyric acid
  • 2-Ethylbutyric acid
  • 3-Pentanecarboxylic acid
  • 2-Ethyl-n-butyric acid
  • NSC 11765
  • NSC 8758

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Other Information

(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Substances Added to Food (formerly EAFUS):View
CHEMBL:View
HMDB (The Human Metabolome Database):HMDB31221
FooDB:FDB003245
Export Tariff Code:2915.90.1800
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex Yes
Molecular weight 116.16004180908
Specific gravity @ 20 °C
Pounds per Gallon 7.689 to 7.714
Refractive Index 1.412 to 1.414 @ 20 °C
Melting Point -15 to -13°C @ 760 mm Hg
Boiling Point 99 to 101°C @ 18 mm Hg
Vapor Pressure 0.188 mmHg @ 25 °C
Flash Point TCC Value 87.78 °C TCC
logP (o/w) 1.68
Solubility
alcohol Yes
water, 18000 mg/L @ 20 °C (exp) Yes

Organoleptic Properties

Odor Type: Acidic
acidic, fruity, whiskey, dry, berry, dairy, tropical
Odor strength medium , recommend smelling in a 10.00 % solution or less
Substantivity 124 hour(s) at 100.00 %
Luebke, William tgsc, (1995) At 10.00 % in propylene glycol. acidic fruity whiskey dry berry
Mosciano, Gerard P&F 15, No. 3, 51, (1990) Acidic, fruity and dairy with a tropical nuance
Flavor Type: Acidic
acidic, fruity, tropical, creamy
Mosciano, Gerard P&F 15, No. 3, 51, (1990) At 35.00 ppm. Acidic, fruity, tropical with a creamy aftertaste

Occurrences

Potential Uses

Applications
Odor purposes Apple, Cream, Strawberry
Flavoring purposes Cheese, Dairy, Nut, Tropical
Cosmetic purposes Perfuming agents

Safety Information

Safety information

Preferred SDS: View
European information :
Most important hazard(s):
C - Corrosive.
R 21 - Harmful in contact with skin.
R 34 - Causes burns.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-rat LD50 2200 mg/kg
AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 10, Pg. 61, 1954.

Dermal Toxicity:
skin-rabbit LD50 520 ul/kg
AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 10, Pg. 61, 1954.

Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavor and fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Structure Class: I
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 3
Click here to view publication 3
average usual ppmaverage maximum ppm
baked goods: -20.00000
beverages(nonalcoholic): -5.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -20.00000
fruit ices: -20.00000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: 20.0000035.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: --
sugar substitutes: --
sweet sauces: --

Safety references

European Food Safety Authority (EFSA) reference(s):

Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) related to Flavouring Group Evaluation 6 (FGE.06): Straight-and branched-chain aliphatic unsatured primary alcohols, aldehydes, carboxylic acids, and esters from chemical groups 1 and 4
View page or View pdf

Flavouring Group Evaluation 6, Revision 1 (FGE.06Rev1) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC)
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):88-09-5
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :6915
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 2810
WGK Germany:1
2-ethylbutanoic acid
Chemidplus:0000088095
RTECS:ET1400000 for cas# 88-09-5