Preferred name | isoamyl butyrate |
Trivial Name | Isoamyl butyrate |
Short Description | 3-methylbutyl butyrate |
Formula | C9 H18 O2 |
CAS Number | 106-27-4 |
FEMA Number | 2060 |
ECHA Number | 203-380-8 |
FDA UNII | 505AFM77VU |
Nikkaji Number | J3.243C |
Beilstein Number | 1702557 |
MDL | MFCD00044888 |
COE Number | 282 |
xLogP3-AA | 2.60 (est) |
Bio Activity Summary | External link |
NMR Predictor | External link |
JECFA Food Flavoring | 45 isoamyl butyrate |
FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
FDA Mainterm | 106-27-4 ; ISOAMYL BUTYRATE |
Synonyms |
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Perfumer & Flavorists | Start search |
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NCBI | Start search |
3-methylbutyl butanoate | |
NIST Chemistry WebBook: | Search Inchi |
Canada Domestic Sub. List: | 106-27-4 |
Pubchem (cid): | 7795 |
Pubchem (sid): | 134971629 |
Pherobase: | View |
(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 |
CHEBI: | View |
CHEMBL: | View |
HMDB (The Human Metabolome Database): | HMDB40221 |
FooDB: | FDB019935 |
Export Tariff Code: | 2915.39.9000 |
Typical G.C. | |
VCF-Online: | VCF Volatile Compounds in Food |
ChemSpider: | View |
Material listed in food chemical codex | Yes |
Molecular weight | 158.24085998535 |
Specific gravity | @ 25 °C |
Pounds per Gallon | 7.156 to 7.223 |
Specific gravity | @ 20 °C |
Pounds per Gallon | 7.173 to 7.239 |
Refractive Index | 1.409 to 1.413 @ 20 °C |
Acid Value | 0.1 max KOH/g |
Vapor Pressure | 0.95 mmHg @ 20 °C |
Vapor Density | 5.5 |
Flash Point TCC Value | 57.22 °C TCC |
logP (o/w) | 3.25 |
Shelf life | 24 months (or longer if stored properly.) |
Storage notes | Store in cool, dry place in tightly sealed containers, protected from heat and light. |
Solubility | |
alcohol | Yes |
fixed oils | Yes |
kerosene | Yes |
paraffin oil | Yes |
water, 118 mg/L @ 25 °C (exp) | Yes |
water | No |
glycerin | No |
propylene glycol | No |
Stability | |
alcoholic lotion | Unspecified |
antiperspirant | Unspecified |
deo stick | Unspecified |
fabric softener | Unspecified |
hard surface cleaner | Unspecified |
shampoo | Unspecified |
soap | Unspecified |
Odor Type: Fruity | |
fruity, green, apricot, pear, banana, sweet, estery, tropical, apple, melon, tutti frutti | |
Odor strength | medium |
Substantivity | < 2 hour(s) at 100.00 % |
Luebke, William tgsc, (1983) | At 100.00 %. fruity green apricot pear banana |
Mosciano, Gerard P&F 24, No. 2, 49, (1999) | At 2.00 %. Fruity, sweet estry, green, tropical, apple and melon-like with tutti frutti notes |
Flavor Type: Waxy | |
waxy, green, apple, fruity, sweet, estery, melon, berry | |
Mosciano, Gerard P&F 24, No. 2, 49, (1999) | At 5.00 ppm. Waxy, green apple, fruity, sweet estry, melon and berry notes |
Useful in: dairy, fruity red, fruity yellow, fruity tropical, fruity others. | Estery, fruity, sweet |
General comment | Fruity banana sweet fatty green |
(data available) |
Applications | |
Odor purposes | Acacia , Apple , Apple green apple , Apricot , Banana , Blackberry , Bluebell , Bubble gum , Butter , Butterscotch , Cherry , Cherry black cherry , Coconut , Cranberry , Cream , Currant , Date , Fruit juicy fruit , Ginger , Gooseberry , Grape , Herbal , Hibiscus , Honey , Hop , Huckleberry , Lemon , Lime , Melon , Orange , Orris , Passion fruit , Peach , Pear , Pineapple , Plum , Raspberry , Saffron , Strawberry , Tangerine , Valerian , Woodruff |
Flavoring purposes | Arrack , Brandy , Chocolate cacao , Grenadine , Tea , Tomato , Tropical , Valerian |
Cosmetic purposes | Perfuming agents |
Preferred SDS: View | |
European information : | |
Most important hazard(s): | |
Xi - Irritant | |
R 36/38 - Irritating to skin and eyes. S 02 - Keep out of the reach of children. 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) | |
Flammable liquids (Category 3), H226 Skin irritation (Category 2), H315 Eye irritation (Category 2A), H319 Specific target organ toxicity - single exposure (Category 3), Respiratory system, H335 | |
GHS Label elements, including precautionary statements | |
Pictogram | ![]() ![]() |
Signal word | Warning |
Hazard statement(s) | |
H226 - Flammable liquid and vapour H315 - Causes skin irritation H319 - Causes serious eye irritation H335 - May cause respiratory irritation | |
Precautionary statement(s) | |
P210 - Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 - Keep container tightly closed. P240 - Ground/bond container and receiving equipment. P241 - Use explosion-proof electrical/ventilating/lighting/…/equipment. P242 - Use only non-sparking tools. P243 - Take precautionary measures against static discharge. P261 - Avoid breathing dust/fume/gas/mist/vapours/spray. P264 - Wash skin thouroughly after handling. P271 - Use only outdoors or in a well-ventilated area. P280 - Wear protective gloves/protective clothing/eye protection/face protection. P303 + P361 + P353 - IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P304 + P340 - IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P312 - Call a POISON CENTER or doctor/physician if you feel unwell. P332 + P313 - IF SKIN irritation occurs: Get medical advice/attention. P337 + P313 - IF eye irritation persists: Get medical advice/attention. P362 - Take off contaminated clothing and wash before reuse. P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam for extinction. P403 + P233 - Store in a well-ventilated place. Keep container tightly closed. P403 + P235 - Store in a well-ventilated place. Keep cool. P405 - Store locked up. P501 - Dispose of contents/ container to an approved waste disposal plant. | |
Human Experience: | |
3 % solution: no irritation or sensitization. | |
Oral/Parenteral Toxicity: | |
oral-rat LD50 > 5000 mg/kg Food and Cosmetics Toxicology. Vol. 17, Pg. 823, 1979. | |
Dermal Toxicity: | |
skin-rabbit LD50 > 5000 mg/kg Food and Cosmetics Toxicology. Vol. 17, Pg. 823, 1979. | |
Inhalation Toxicity: | |
Not determined |
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 isoamyl butyrate usage levels up to: | |||
8.0000 % in the fragrance concentrate. | |||
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 ppm | average maximum ppm | ||
baked goods: | - | 51.00000 | |
beverages(nonalcoholic): | - | 13.00000 | |
beverages(alcoholic): | - | - | |
breakfast cereal: | - | - | |
cheese: | - | - | |
chewing gum: | - | 570.00000 | |
condiments / relishes: | - | - | |
confectionery froastings: | - | - | |
egg products: | - | - | |
fats / oils: | - | - | |
fish products: | - | - | |
frozen dairy: | - | 34.00000 | |
fruit ices: | - | 34.00000 | |
gelatins / puddings: | - | 60.00000 | |
granulated sugar: | - | - | |
gravies: | - | - | |
hard candy: | - | 79.00000 | |
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: | - | - |
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) on a request from the Commission related to Flavouring Group Evaluation 5: Esters of 23 branched- and straight-chain aliphatic saturated primary alcohols and of one secondary alcohol, and 24 branched- and straight-chain unsaturated carboxylic acids from chemical groups 1, 2, and 5 View page or View pdf |
Flavouring Group Evaluation 5, Revision 1 (FGE.05Rev1):Esters of branched- and straight-chain aliphatic saturated primary alcohols and of one secondary alcohol, and branched- and straight-chain unsaturated carboxylic acids from chemical groups 1, 2, and 5 (Commission Regulation (EC) No 1565/2000 of 18 July 2000) [1] - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) View page or View pdf |
Flavouring Group Evaluation 5, Revision 2 (FGE.05Rev2): Branched- and straight-chain unsaturated carboxylic acids and esters of these with aliphatic saturated alcohols from chemical groups 1, 2, 3 and 5 View page or View pdf |
Safety of 31 flavouring compounds belonging to different chemical groups when used as feed additives for all animal species View page or View pdf |
EPI System: View |
Chemical Carcinogenesis Research Information System:Search |
AIDS Citations:Search |
Cancer Citations:Search |
Toxicology Citations:Search |
EPA Substance Registry Services (TSCA):106-27-4 |
EPA ACToR:Toxicology Data |
EPA Substance Registry Services (SRS):Registry |
Laboratory Chemical Safety Summary :7795 |
National Institute of Allergy and Infectious Diseases:Data |
WISER:UN 2620 |
WGK Germany:1 |
3-methylbutyl butanoate |
Chemidplus:0000106274 |
RTECS:ET5034000 for cas# 106-27-4 |