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General Material Information

Preferred name 3-methyl valeric acid
Trivial Name 3-Methylpentanoic acid
Short Description 3-methylvaleric acid
Formula C6 H12 O2
CAS Number 105-43-1
FEMA Number 3437
Flavis Number 8.056
ECHA Number 203-297-7
FDA UNII 85FS4Y39LJ
Nikkaji Number J95.910C
Beilstein Number 1720696
MDL MFCD00002729
COE Number 10149
xLogP3-AA 1.60 (est)
NMR Predictor External link
JECFA Food Flavoring 262 3-methylpentanoic acid
FDA Patent No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm 105-43-1 ; 3-METHYLPENTANOIC ACID
Synonyms
  • acetoacetic methyl ester
  • sec- butyl acetic acid
  • butylacetic acid, sec-
  • 2-methyl butane-1-carboxylic acid
  • 3-methyl pentanoic acid
  • beta- methyl valeric acid
  • 3 methyl valeric acid (pentanoic acid)
  • 3-methyl valeric acid natural
  • 3-methyl-pentanoic acid
  • 2-methylbutane-1-carboxylic acid
  • 3-methylpentanoic acid
  • (±)-3-methylvaleric acid
  • 3-methylvaleric acid
  • DL-3-methylvaleric acid
  • DL-3-methylvalericacid
  • parmesan acid
  • pentanoic acid, 3-methyl-
  • valeric acid, 3-methyl-
  • Valeric acid, β-methyl-
  • 3-Methylpentanoic acid
  • β-Methylvaleric acid
  • 3-Methylvaleric acid
  • 3-Methyl-n-valeric acid

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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):HMDB33774
FooDB:FDB011927
Export Tariff Code:2915.90.1800
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 116.16004180908
Specific gravity @ 25 °C
Pounds per Gallon 7.273 to 8.071
Refractive Index 1.365 to 1.456 @ 20 °C
Boiling Point 196 to 198°C @ 760 mm Hg
Vapor Pressure 0.147 mmHg @ 25 °C
Vapor Density 1
Flash Point TCC Value 85 °C TCC
logP (o/w) 1.56 est
Solubility
alcohol Yes
water, 5266 mg/L @ 25 °C (est) Yes
oils Yes
propylene glycol Yes
water No

Organoleptic Properties

Odor Type: Animal
animal, sharp, acidic, cheesy, green, fruity, sweaty
Odor strength medium , recommend smelling in a 1.00 % solution or less
Substantivity > 336 hour(s) at 100.00 %
General comment At 1.00 % in dipropylene glycol. animal sharp acidic cheesy green fruity sweaty
Mosciano, Gerard P&F 16, No. 2, 49, (1991) Animalic, sharp acidic cheesey, green with a fruity sweaty nuance
Flavor Type: Sour
sour, cheesy, fresh, fruity
Mosciano, Gerard P&F 16, No. 2, 49, (1991) At 30.00 ppm. Sour, cheesey, fresh with fruity notes
Can be used in a variety of aged cheese flavors, especially cheddar, parmesan, and romano. Strong, acidic, slightly fruity, cheesy, sweaty

Occurrences

Potential Uses

Applications
Flavoring purposes Apple, Cheese, Herbal, Strawberry
Other purposes Topnotes

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.
R 36/38 - Irritating to skin and eyes.
S 02 - Keep out of the reach of children.
S 20/21 - When using do not eat, drink or smoke.
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.
S 45 - In case of accident or if you feel unwell seek medical advice immediately.
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:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
flavoring agents
Recommendation for 3-methyl valeric acid usage levels up to:
not for fragrance use.
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: 8. Update in publication number(s): 29
Click here to view publication 8
average usual ppmaverage maximum ppm
baked goods: 2.000005.00000
beverages(nonalcoholic): 2.000002.00000
beverages(alcoholic): 0.20000100.00000
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: 5.000005.00000
egg products: --
fats / oils: --
fish products: --
frozen dairy: 2.000002.00000
fruit ices: --
gelatins / puddings: 2.000002.00000
granulated sugar: --
gravies: --
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: 0.300003.00000
seasonings / flavors: --
snack foods: --
soft candy: 1.000005.00000
soups: --
sugar substitutes: --
sweet sauces: --

Safety references

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):105-43-1
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :7755
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 3265
WGK Germany:3
3-methylpentanoic acid
Chemidplus:0000105431