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General Material Information

Preferred name propyl 2-methyl butyrate
Trivial Name Propyl 2-methylbutanoate
Short Description butanoic acid, 2-methyl-, propyl ester
Formula C8 H16 O2
CAS Number 37064-20-3
Flavis Number 9.698
ECHA Number 253-329-9
FDA UNII Search
Nikkaji Number J183.078C
MDL MFCD00085211
COE Number 10891
xLogP3-AA 2.40 (est)
NMR Predictor External link
Synonyms
  • butanoic acid, 2-methyl-, propyl ester
  • butyric acid, 2-methyl-, propyl ester
  • 2-methyl butanoic acid propyl ester
  • 2-methylbutanoic acid propyl ester
  • N- propyl 2-methyl butyrate
  • propyl 2-methylbutanoate
  • propyl 2-methylbutyrate
  • nat. propyl 2-methylbutyrate
  • propyl-2-methyl butyrate
  • propyl-2-methyl butyrate natural
  • propyl-2-methylbutyrate
  • n-Propyl α-methylbutyrate
  • n-Propyl 2-methylbutyrate
  • (±)-Propyl 2-methylbutanoate

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
HMDB (The Human Metabolome Database):Search
Export Tariff Code:2916.19.3000
Typical G.C.
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 144.21391296387
Specific gravity @ 25 °C
Pounds per Gallon 7.173 to 7.223
Refractive Index 1.399 to 1.406 @ 20 °C
Boiling Point 155 to 156°C @ 760 mm Hg
Vapor Pressure 2.906 mmHg @ 25 °C
Flash Point TCC Value 33.33 °C TCC
logP (o/w) 2.667 est
Solubility
alcohol Yes
water, 356.7 mg/L @ 25 °C (est) Yes
water No

Organoleptic Properties

Odor Type: Fruity
winey, fruity, apple, pineapple
General comment At 100.00 %. winey fruity apple pineapple

Occurrences

Potential Uses

Applications
Odor purposes Apple, Mint
Flavoring purposes Durian

Safety Information

Safety information

Preferred SDS: View
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:
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
Recommendation for propyl 2-methyl butyrate usage levels up to:
0.8000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.12 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 2300 (μg/person/day)
Threshold of Concern:1800 (μg/person/day)
Structure Class: I
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i).
Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 7.0000035.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): 5.0000025.00000
Edible ices, including sherbet and sorbet (03.0): 10.0000050.00000
Processed fruit (04.1): 7.0000035.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): --
Confectionery (05.0): 10.0000050.00000
Chewing gum (05.3): --
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 5.0000025.00000
Bakery wares (07.0): 10.0000050.00000
Meat and meat products, including poultry and game (08.0): 2.0000010.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): 2.0000010.00000
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 5.0000025.00000
Foodstuffs intended for particular nutritional uses (13.0): 10.0000050.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): --
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 10.0000050.00000
Ready-to-eat savouries (15.0): 20.00000100.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): 5.0000025.00000

Safety references

European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

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

Flavouring Group Evaluation 1, Revision 1 (FGE.01Rev 1): Branched-chain aliphatic saturated aldehydes, carboxylic acids and related esters of primary alcohols and branched-chain carboxylic acids from chemical groups 1 and 2 (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) on a request from the Commission
View page or View pdf

Flavouring Group Evaluation 01 Rev2 (FGE.01 Rev2): Branched-chain aliphatic saturated aldehydes, carboxylic acids and related esters of primary alcohols and branched-chain carboxylic acids from chemical groups 1 and 2
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :162239
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
propyl 2-methylbutanoate
Chemidplus:0037064203