isobutyl 2-butenoate
isobutyl crotonate
 
Notes:
Flavouring ingredient
  • Alfrebro
    • Alfrebro LLC/ Archer Daniels Midland Company
      Let's get reacquainted
      Building great taste with aroma chemicals, extracts, and distillates
      The Alfrebro brand was established in the early 1900s by Alex Fries & Brothers, a Cincinnati Flavor Company. In 1980, the brand was re-launched as an aroma chemical manufacturer. Since its inception, Alfrebro’s primary focus has been to provide quality natural and high value synthetic chemicals.
      Email: Sarah Forbis
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      US Voice: 513-539-7373
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      Product(s):
      ISOBUTYL CROTONATE NATURAL
       
  • Bedoukian Research
    • Bedoukian Research, Inc.
      Constantly Improving
      Working closely with our customers to meet their requirements.
      Paul Bedoukian founded the company to fill a niche as a supplier of high quality specialty aroma and flavor ingredients. In 1975 the company began manufacturing insect pheromones which are chemically similar to flavor and fragrance ingredients. Today, Bedoukian Research offers more than 450 Aroma Chemicals and 50 Insect Pheromones, while also providing custom manufacturing services to the pharmaceutical, agrochemical, and specialty chemical industries.
      US Email: Customer Service
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      Product(s):
      972 ISOBUTYL 2-BUTENOATE (CROTONATE) ≥99.0%, FCC, Kosher
      SDS
      Can enhance berry qualities of fragrances.
      Sweet, fruity candy notes for all types of fruit flavors, especially pineapple and other tropical fruits.
       
       
  • BOC Sciences
    • BOC Sciences
      Best of Chemicals Supplier
      Quality supplier of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds.
      BOC Sciences provides a wide range of services to support the pharmaceutical industry through all stages of drug discovery including Custom Synthesis of those chemicals that are not in stock, Isotope Labeling Service, Chiral Synthesis and Resolution, Bioconjugation, PEGylation services, analytical services.
      BOC Sciences is a brand of BOCSCI Inc. We leverage our wide spectrum of business in the fields of development, manufacturing, marketing, and distribution to help you make best-informed decisions tailored to your evolving needs for premium chemicals. Our complete suite of CRO services spans the entire molecule development pipeline including contract research for target identification, building blocks, compound synthesis, biochemical and cellular analysis, preclinical animal tests, and clinical studies.
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      US Email: Sales
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      Product(s):
      589-66-2 isoBUTYL 2-BUTENOATE FCC 99.0%
       
  • Charkit Chemical
    • Charkit Chemical Corporation
      The Specialty Chemical Specialists
      Explore this website to discover the products and services that Charkit provides for your industry and please contact us directly to find out how we can be of service to you.
      about: Since 1982, Charkit has been committed to expanding the markets we serve as our roster of products and services continues to grow with us. Our substantial portfolio of personal care ingredients now include a wide array of luxury and exotic components to compliment the key products we have always offered. We have expanded our offerings to the nutraceutical, industrial, and resin markets with a growing roster of versatile and unique ingredients. We continue to lead the way in our traditional markets such as Metal and Water Treatment, Imaging, Flavor & Fragrance, Aroma and Food. Our Pharmaceutical offerings continue to expand, still anchored by the Boronic Derivatives that meet the demands of Suzuki coupling reactions. Please contact us to learn how we can help you reach your goals.
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      Product(s):
      ISOBUTYL 2-BUTENOATE FEMA 3432
       
  • M&U International
    • M&U International LLC
      Steady supply & demand
      Meeting customers increasing demands at home as well as abroad.
      M&U dedicates itself to the development and production of new products as well as continuously promoting those new products. We’ve maintained a steady supply&demand relationship with a large number of manufacturers at home and abroad. We’ve developed an extensive network and because of our relationships with these manufacturers, we’re able to provide a stable supply of great quality materials. We’re located in China’s largest communications hub, Shanghai and in the U.S. near one of the largest sea ports on the East Coast. The strategic locations of our facilities ensure convenient, prompt and secure delivery of our products to our customers.
      Email: Sales
      US Email: Sales
      Voice: +86-21-32515501 60762991 60762992
      Fax: +86-21-32515502 64204960
      US Voice: 908-359-9000
      US Fax: 908-359-9002
      News
      Product(s):
      A0550 isoButyl 2-butenoate
       
  • Penta International
    • Penta International Corporation
      Chemistry innovation
      At Penta, our products and services help businesses do business better.
      For over 30 years, Penta Manufacturing Company has played a growing role in worldwide chemistry innovations and applications. As an industry leader, Penta continues to pioneer chemistry-based solutions for practically every area of commerce. Our products and expertise have helped fuel technical advances in dozens of commercial applications including flavoring, coloring, fragrances and chemical processes.
      US Email: Technical Services
      US Email: Sales
      US Voice: (973) 740-2300
      US Fax: (973) 740-1839
      Product(s):
      09-37900 ISOBUTYL-2-BUTENOATE
      09-37905 ISOBUTYL-2-BUTENOATE NATURAL
       
  • SRS Aromatics
    • SRS Aromatics Ltd
      For over 25 years
      Bringing flavour and fragrance into your world.
      As suppliers / distributors of ingredients to the fragrance and flavour industries, our goal is to provide high quality materials at competitive prices with an exceptional level of service. Established in 1984, SRS Aromatics Ltd is an independent family owned business which has become very well-respected within the fragrance and flavour industry as a reliable and trustworthy partner. Over the years this has allowed the company to develop strong relationships with many global manufacturers; several of whom we represent in the UK. A core aim of our business is to work extremely closely with both our suppliers and customers to maximise service levels with minimum disruption to supply.
      Email: Info
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      Product(s):
      isoBUTYL CROTONATE FCC
       
  • Taytonn
    • TAYTONN PTE LTD
      Supplying Asia Pacific
      We fully understand the demands of the F&F industry and we endeavour to supply quality products, with ready availability and a personalised service.
      Since 2001 TAYTONN has been distributing key ingredients to the Fragrance and Flavor industry in Asia. We work closely with customers, principals and vendors. Together we forecast demand and match it with supply of aroma chemicals, essential oils and natural isolates & extracts. Sourced from around the world, our F&F ingredient inventory in Singapore is ready to ship to any location in Asia and beyond. Time and again, we help our principals introduce new discoveries to the F&F market - stimulating creativity and bringing value added proposition to our customers.
      Email: Info
      Email: Sales
      Voice: + 65 - 6861 8113
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      Product(s):
      isoButyl 2-butenoate
       
  • TCI AMERICA
    • TCI AMERICA
      Moving Your Chemistry Forward
      We continuously strive to advance our technology.
      With East & West Coast distribution centers, count on TCI to deliver products quickly and reliably. Over 28,000 Reagents available today in benchtop to bulk quantities. Sign up for a TCI account today for fast and free shipping!
      Tokyo Chemical Industry Co., Ltd. (TCI) is a leading worldwide manufacturer of specialty organic chemicals founded in 1946. TCI provides organic laboratory chemicals as well as pharmaceutical, cosmetic and functional materials. More than 60 years of synthesis experience and multi-purpose plants enable TCI to offer more than 28,000 products as well as custom synthesis. TCI has established overseas facilities in North America, Europe, China and India to serve customers worldwide.
      US Email: Sales
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      Voice: 1-800-423-8616
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      Product(s):
      C1295 isoButyl Crotonate >98.0%(GC)
       
Synonyms   Articles   Notes   Search
CAS Number: 589-66-2Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg: 209-658-5
MDL: MFCD00036651
CoE Number: 10706
XlogP3-AA: 2.30 (est)
Molecular Weight: 142.19798000
Formula: C8 H14 O2
NMR Predictor: Predict (works with chrome or firefox)
EFSA/JECFA Comments: CASrn does not specify stereoisomers. According to JECFA: Min. assay value is "95 % of C8H16O2". Mixture of (Z)- and (E)-isomer (EFFA, 2010). CASrn in Register does not specify stereoisomeric composition. 70-85 % (E) and 10-35 % (Z) (EFFA, 2013). According to JECFA: Min. assay value is "95 % of C8H16O2".
Category: flavor and fragrance agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
Google Books: Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Perfumer and Flavorist: Search
Google Patents: Search
US Patents: Search
EU Patents: Search
Pubchem Patents: Search
PubMed: Search
NCBI: Search
JECFA Food Flavoring: 1206  isobutyl 2-butenoate
FLAVIS Number: 09.273 (Old)
DG SANTE Food Flavourings: 09.273  isobutyl crotonate
FEMA Number: 3432  isobutyl 2-butenoate
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):589-66-2 ; ISOBUTYL 2-BUTENOATE
Synonyms   Articles   Notes   Search   Top
Physical Properties:
Appearance: colorless clear liquid (est)
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: Yes
Specific Gravity: 0.88300 to 0.89100 @  25.00 °C.
Pounds per Gallon - (est).: 7.347 to  7.414
Specific Gravity: 0.88000 to 0.90000 @  25.00 °C.
Pounds per Gallon - est.: 7.322 to 7.489
Refractive Index: 1.42600 to 1.43000 @  20.00 °C.
Boiling Point: 171.00 °C. @ 760.00 mm Hg
Boiling Point: 70.00 °C. @ 15.00 mm Hg
Vapor Pressure: 1.788000 mmHg @ 25.00 °C. (est)
Vapor Density: 4.6 ( Air = 1 )
Flash Point: 131.00 °F. TCC ( 55.00 °C. )
logP (o/w): 2.669 (est)
Soluble in:
 alcohol
 fixed oils
 propylene glycol
 water, slightly
 water, 555.2 mg/L @ 25 °C (est)
Insoluble in:
 water
Synonyms   Articles   Notes   Search   Top
Organoleptic Properties:
 
Odor Type: fruity
 
Odor Strength: medium
 
Substantivity: 137 hour(s) at 100.00 %
 
 fruity  dry  tropical  rummy  ripe  green  pear  caramellic  
Odor Description:
at 100.00 %. 
fruity dry tropical rummy ripe green pear (caramellic is the long drydown)
Luebke, William tgsc, (1996)
 
 woody  fruity  brown  ripe  alcoholic  cognac  rummy  
Odor Description:
Woody, fruity, brown, ripe and alcoholic-like with cognac and rum nuances
Mosciano, Gerard P&F 20, No. 6, 49, (1995)
 
 
Flavor Type: green
 
 sweet  green  chemical  alcoholic  licorice  tropical  fruity  
Taste Description:
Sweet, green, chemical and alcoholic-like with licorice, tropical and fruity nuances
Mosciano, Gerard P&F 20, No. 6, 49, (1995)
 
Odor and/or flavor descriptions from others (if found).
 
Bedoukian Research
ISOBUTYL 2-BUTENOATE (CROTONATE) ≥99.0%, FCC, Kosher
Odor Description: A fruity, rum-like character
Can enhance berry qualities of fragrances.
Taste Description: Sweet, fruity, tropical, candy pineapple
Sweet, fruity candy notes for all types of fruit flavors, especially pineapple and other tropical fruits.
 
Frutarom
ISOBUTYL 2-BUTENOATE
Odor Description: Banana, Fruity, Pineapple, Sweet
Suggested Uses: Apple, Banana, Hard Fruits, Liquorice, Pineapple, Plum, Soft Fruits, Tropical Fruits
Taste Description: waxy fruity sweet apple pineapple
 
 
Synonyms   Articles   Notes   Search   Top
Cosmetic Information:
None found
Synonyms   Articles   Notes   Search   Top
Suppliers:
Alfrebro
ISOBUTYL CROTONATE NATURAL
Odor: Fruity
Apple Flavor & Fragrance
Isobutyl crotonate
Bedoukian Research
ISOBUTYL 2-BUTENOATE (CROTONATE)
≥99.0%, FCC, Kosher
Odor: A fruity, rum-like character
Use: Can enhance berry qualities of fragrances.
Flavor: Sweet, fruity, tropical, candy pineapple
Sweet, fruity candy notes for all types of fruit flavors, especially pineapple and other tropical fruits.
BOC Sciences
For experimental / research use only.
isoBUTYL 2-BUTENOATE FCC 99.0%
Charkit Chemical
ISOBUTYL 2-BUTENOATE FEMA 3432
Frutarom
ISOBUTYL 2-BUTENOATE
Odor: Banana, Fruity, Pineapple, Sweet
Use: Suggested Uses: Apple, Banana, Hard Fruits, Liquorice, Pineapple, Plum, Soft Fruits, Tropical Fruits
Grau Aromatics
iso-BUTYL-CROTONATE FCC
NI, Kosher
Inoue Perfumery
isoBUTYL CROTONATE
Kingchem Laboratories
ISOBUTYL CROTONATE
Odor: Fruity
M&U International
isoButyl 2-butenoate
Penta International
ISOBUTYL-2-BUTENOATE NATURAL
Penta International
ISOBUTYL-2-BUTENOATE
Reincke & Fichtner
isoButyl 2-butenoate
Santa Cruz Biotechnology
For experimental / research use only.
isoButyl Crotonate
Shanghai Vigen Fine Chemical
isoButyl Crotonate
SRS Aromatics
isoBUTYL CROTONATE FCC
Taytonn
isoButyl 2-butenoate
TCI AMERICA
For experimental / research use only.
isoButyl Crotonate >98.0%(GC)
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Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 10 - Flammable.
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
S 02 - Keep out of the reach of children.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36 - Wear suitable protective clothing.
 
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
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Safety in Use Information:
Category: flavor and fragrance agents
Recommendation for isobutyl 2-butenoate usage levels up to:
  5.0000 % in the fragrance concentrate.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.46 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 45.00 (μg/capita/day)
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: 8
Click here to view publication 8
 average usual ppmaverage maximum ppm
baked goods: -5.00000
beverages(nonalcoholic): -3.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: -25.00000
condiments / relishes: --
confectionery froastings: -8.00000
egg products: --
fats / oils: --
fish products: --
frozen dairy: -3.00000
fruit ices: -3.00000
gelatins / puddings: -3.00000
granulated sugar: --
gravies: --
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: -3.00000
meat products: --
milk products: -3.00000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: --
sugar substitutes: --
sweet sauces: --
Synonyms   Articles   Notes   Search   Top
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 72 (FGE.72): Consideration of aliphatic, branched-chain saturated and unsaturated alcohols, aldehydes, acids, and related esters evaluated by the JECFA (61st meeting) structurally related to branched- and straight-chain unsaturated carboxylic acids. Esters of these and straight-chain aliphatic saturated alcohols evaluated by EFSA in FGE.05Rev2 (2010)
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 72, Revision 1 (FGE.72Rev1): Consideration of aliphatic, branched-chain saturated and unsaturated alcohols, aldehydes, acids, and related esters evaluated by the JECFA (61st meeting) structurally related to branched- and straight-chain unsaturated carboxylic acids, esters of these and straight-chain aliphatic saturated alcohols evaluated by EFSA in FGE.05Rev2
View page or View pdf
EPI System: View
EPA Substance Registry Services (TSCA): 589-66-2
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 61135
National Institute of Allergy and Infectious Diseases: Data
WISER: UN 3272
WGK Germany: 3
 2-methylpropyl but-2-enoate
Chemidplus: 0000589662
Synonyms   Articles   Notes   Search   Top
References:
 2-methylpropyl but-2-enoate
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 589-66-2
Pubchem (cid): 61135
Pubchem (sid): 135017868
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (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
HMDB (The Human Metabolome Database): HMDB36212
FooDB: FDB015070
Export Tariff Code: 2916.19.5000
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
Synonyms   Articles   Notes   Search   Top
Potential Blenders and core components note
 
For Odor
animal
 methyl (E)-2-octenoateFL/FR
citrus
bitter orange peel oil brazilFL/FR
creamy
3-heptyl dihydro-5-methyl-2(3H)-furanoneFL/FR
ethereal
 decyl propionateFL/FR
 ethyl formateFL/FR
isovaleraldehyde propylene glycol acetalFL/FR
fatty
(E)-2-octenalFL/FR
fermented
isobutyl decanoateFL/FR
 hexanal diethyl acetalFL/FR
3-methyl-1-pentanolFL/FR
floral
(Z)-3-hexen-1-yl salicylateFL/FR
 rose butanoateFL/FR
 tuberose acetateFR
fruity
 allyl cyclohexyl acetateFL/FR
 allyl propionateFL/FR
isoamyl acetateFL/FR
 amyl formateFL/FR
isoamyl isovalerateFL/FR
 amyl valerateFL/FR
 berry pentadienoateFL/FR
isobutyl isovalerateFL/FR
 dihydroactinidolideFL/FR
 ethyl 3-hexenoateFL/FR
 ethyl butyrateFL/FR
 ethyl heptanoateFL/FR
(E,E)-ethyl sorbateFL/FR
4-heptanoneFL/FR
 neryl isobutyrateFL/FR
 pineapple hydroxyhexanoateFL/FR
 prenyl acetateFL/FR
isopropyl butyrateFL/FR
 propyl heptanoateFL/FR
 propyl isobutyrateFL/FR
1,3,4-trimethyl-2-methylene pentyl 2-butenoate 
(E)-2-hexen-1-yl valerateFL/FR
 hexyl isobutyrateFL/FR
 methyl R-3-acetoxyhexanoate 
 phenethyl tiglateFL/FR
herbal
 anthemis nobilis flower oil romanFL/FR
 clary sage absoluteFL/FR
honey
 methyl phenyl acetateFL/FR
musty
ketoisophoroneFL/FR
soapy
 ethyl undecanoateFL/FR
spicy
 clove bud concreteFR
 methyl heptadienoneFL/FR
(E)-tiglic acidFL/FR
sulfurous
 ethyl methyl mercaptopropionateFL/FR
 
For Flavor
 
No flavor group found for these
 amyl valerateFL/FR
isobutyl decanoateFL/FR
 decyl propionateFL/FR
 dihydroactinidolideFL/FR
 hexanal diethyl acetalFL/FR
1,3,4-trimethyl-2-methylene pentyl 2-butenoate 
alliaceous
 allyl propionateFL/FR
brown
(E)-tiglic acidFL/FR
citrus
ketoisophoroneFL/FR
ethereal
 ethyl formateFL/FR
fatty
(E)-2-octenalFL/FR
floral
 methyl phenyl acetateFL/FR
fruity
 allyl cyclohexyl acetateFL/FR
isoamyl acetateFL/FR
 amyl formateFL/FR
 berry pentadienoateFL/FR
 ethyl 3-hexenoateFL/FR
 ethyl 3-oxohexanoateFL
 ethyl butyrateFL/FR
 ethyl heptanoateFL/FR
(E,E)-ethyl sorbateFL/FR
 furfuryl isovalerateFL
4-heptanoneFL/FR
3-heptyl dihydro-5-methyl-2(3H)-furanoneFL/FR
 methyl (E)-2-octenoateFL/FR
 neryl isobutyrateFL/FR
bitter orange peel oil brazilFL/FR
 pineapple hydroxyhexanoateFL/FR
 prenyl acetateFL/FR
isopropyl butyrateFL/FR
 propyl isobutyrateFL/FR
 rose butanoateFL/FR
isovaleraldehyde propylene glycol acetalFL/FR
green
isoamyl isovalerateFL/FR
isobutyl isovalerateFL/FR
 clary sage absoluteFL/FR
(E)-2-heptenalFL
(Z)-3-hexen-1-yl salicylateFL/FR
(E)-2-hexen-1-yl valerateFL/FR
 hexyl isobutyrateFL/FR
 methyl heptadienoneFL/FR
 methyl R-3-acetoxyhexanoate 
4-methyl-2-pentenalFL
 phenethyl tiglateFL/FR
herbal
 anthemis nobilis flower oil romanFL/FR
mushroom
 methional diethyl acetalFL
sulfurous
 ethyl methyl mercaptopropionateFL/FR
sweet
 acetone alcoholFL
waxy
 ethyl undecanoateFL/FR
 propyl heptanoateFL/FR
whiskey
3-methyl-1-pentanolFL/FR
 
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Potential Uses:
 appleFR
 bananaFR
 blueberryFR
 cognacFR
 fruitFR
 fruit tropical fruitFL
 grapeFR
 honeyFR
 licoriceFR
 pineappleFR
 plumFR
 saffronFR
Synonyms   Articles   Notes   Search   Top
Occurrence (nature, food, other): note
 grape
Search Trop  Picture
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Synonyms:
2-butenoic acid 2-methyl propyl ester
2-butenoic acid 2-methylpropyl ester
2-butenoic acid, 2-methylpropyl ester
isobutyl 2-butenoate (crotonate)
isobutyl but-2-enoate
isobutyl crotonate
isobutyl-2-butenoate
iso-butyl-crotonate FCC
 crotonic acid isobutyl ester
2-methyl propyl 2-butenoate
2-methyl propyl crotonate
2-methylpropyl but-2-enoate
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