3-penten-2-one
ethylidene acetone
 
Notes:
Flavouring ingredient. Found in roasted peanuts, roasted filbert, cranberry, bilberry, coca, tea and other foods Methyl propenyl ketone is a volatile organic compound. Methyl propenyl ketone is occasionally found as a volatile component of normal human biofluids. It is found as a volatile in the hawthorn fruit upon ripening, and also is part of the scent components of the urine of some animals. (PMID: 5556886, 16770722, 15739361, 914932)
  • Beijing Lys Chemicals
    • Beijing Lys Chemicals Co, LTD.
      From Grams to Tons
      Fine chemical high-tech company which contains R&D, production, and sales.
      BEIJING LYS CHEMICALS CO, LTD, established in 2004, is a fine chemical high-tech company which contains R&D, production, and sales. We mainly engaged in export and technology development of flavor and fragrance materials and pharmaceutical intermediates. We have nearly 500 kinds of products, from grams to tons, exported to USA, Europe, South Asia and etc. And we custom manufacture new products according to customers’ needs, and serve good quality products and service. Our goal is to become a fine chemical enterprise which could provide special products and services.
      Email: Mr. Jia
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      Product(s):
      10172 3-Penten-2-one
       
  • 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.
      Email: Marketing
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      US Email: Sales
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      Product(s):
      625-33-2 (3E)-3-penten-2-one 95%
       
  • 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.
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      Voice: +86-21-32515501 60762991 60762992
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      A0321 3-PENTEN-2-ONE, Kosher
       
  • 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
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      Product(s):
      16-10800 3-PENTEN-2-ONE
       
  • Sigma-Aldrich
  • Synerzine
    • Synerzine, Inc.
      Innovation. Customization. Aroma Ingredients.
      Synerzine is a leading supplier of flavor and fragrance ingredients.
      Synerzine expresses what we have grown to embody as an organization - the synergy and connection between raw ingredients, science, technology, and the final product. Our experienced team is passionate about bringing our customers high-quality innovative ingredients that they can trust.
      Building upon our 44 year history, the Synerzine team provides customers around the globe with convenient access to over 1200 high-quality aroma ingredients. We actively engage with customers to add a wide array of new products and services on a regular basis. Our aim is to delight every customer with our exceptional services, large product selection, customization and the highest quality and safety standards. We provide our customers with true value designed to help them bring their products to market faster.
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      W1631 3-Penten-2-one
      W163 *3-PENTEN-2-ONE
      W1631-95 *3-PENTEN-2-ONE
      W1631-HG 3-PENTEN-2-ONE, HIGH-GRADE, 98%
       
  • WholeChem
    • WholeChem, LLC
      Connecting Innovators To the Building Blocks Of the Universe
      Custom manufacturer and distributor of specialty ingredients. We make global local.
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      We owe our success to our integrity, our dedication to the industry, and our commitment to our clients. We invite your inquiries regarding our current product list and any other products you may be having trouble sourcing.
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Synonyms   Articles   Notes   Search
CAS Number: 625-33-2Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg: 210-888-3
Beilstein Number: 1633505
MDL: MFCD00009290
CoE Number: 666
XlogP3: 0.50 (est)
Molecular Weight: 84.11796000
Formula: C5 H8 O
NMR Predictor: Predict (works with chrome or firefox)
Category: flavoring 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: 1124  3-penten-2-one
DG SANTE Food Flavourings: 07.044  pent-3-en-2-one
FEMA Number: 3417 3-penten-2-one
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):625-33-2 ; 3-PENTEN-2-ONE
Synonyms   Articles   Notes   Search   Top
Physical Properties:
Appearance: colorless to yellow clear liquid (est)
Assay: 98.00 to 100.00 % sum of isomers
Food Chemicals Codex Listed: No
Specific Gravity: 0.86000 to 0.86500 @  25.00 °C.
Pounds per Gallon - (est).: 7.156 to  7.198
Refractive Index: 1.43300 to 1.43700 @  20.00 °C.
Boiling Point: 122.00 °C. @ 760.00 mm Hg
Vapor Pressure: 14.217000 mmHg @ 25.00 °C. (est)
Flash Point: 70.00 °F. TCC ( 21.11 °C. )
logP (o/w): 0.520
Soluble in:
 alcohol
 water, 4.618e+004 mg/L @ 25 °C (est)
Insoluble in:
 water
Synonyms   Articles   Notes   Search   Top
Organoleptic Properties:
 
Odor Type: fruity
 
 fruity  acetone  phenolic  fishy  
Odor Description:
at 0.10 % in dipropylene glycol. 
fruity acetone phenolic fishy
 
 acetone  fruity  phenolic  fishy  chemical  
Odor Description:
Sharp and acetone-like and fruity, phenolic and fishy with a chemical glue nuance
Mosciano, Gerard P&F 21, No. 5, 49, (1996)
 
 
Flavor Type: fishy
 
 musty  phenolic  fishy  seafood  
Taste Description:
at 10.00 ppm.  
Musty, stale water and phenolic with a fishy and shell fish nuance
Mosciano, Gerard P&F 21, No. 5, 49, (1996)
 
Odor and/or flavor descriptions from others (if found).
 
 
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Cosmetic Information:
None found
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Suppliers:
Beijing Lys Chemicals
3-Penten-2-one
BOC Sciences
For experimental / research use only.
(3E)-3-penten-2-one 95%
DeLong Chemicals America
3-Penten-2-one
M&U International
3-PENTEN-2-ONE, Kosher
Parchem
3-penten-2-one
Penta International
3-PENTEN-2-ONE
Santa Cruz Biotechnology
For experimental / research use only.
3-Penten-2-one
Sigma-Aldrich
3-Penten-2-one, ≥70%
Certified Food Grade Products
Synerzine
*3-PENTEN-2-ONE
Synerzine
*3-PENTEN-2-ONE
Synerzine
3-PENTEN-2-ONE, HIGH-GRADE, 98%
Synerzine
3-Penten-2-one
WholeChem
3-Penten-2-one
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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:
oral-rat LD50  3200 mg/kg
Journal of Industrial Hygiene and Toxicology. Vol. 30, Pg. 63, 1948.

Dermal Toxicity:
skin-rabbit LD50 500 ul/kg
Journal of Industrial Hygiene and Toxicology. Vol. 30, Pg. 63, 1948.

Inhalation Toxicity:
inhalation-rat TCLo 250 ppm/4H
Journal of Industrial Hygiene and Toxicology. Vol. 31, Pg. 343, 1949.

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Safety in Use Information:
Category: flavoring agents
Recommendation for 3-penten-2-one usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.26 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): ND (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: 7
Click here to view publication 7
 average usual ppmaverage maximum ppm
baked goods: -4.00000
beverages(nonalcoholic): -2.00000
beverages(alcoholic): --
breakfast cereal: -2.00000
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -2.00000
fruit ices: -2.00000
gelatins / puddings: -4.00000
granulated sugar: --
gravies: --
hard candy: -4.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: -1.00000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: --
sugar substitutes: --
sweet sauces: --
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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):
Scientific Opinion on Flavouring Group Evaluation 204 (FGE.204): Consideration of genotoxicity data on representatives for 18 mono-unsaturated, aliphatic, a,ß-unsaturated ketones and precursors from chemical subgroup 1.2.1 of FGE.19 by EFSA
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 204 Revision 1 (FGE.204Rev1): consideration of genotoxicity data on representatives for 17 monounsaturated, aliphatic, a,ß-unsaturated ketones and precursors from chemical subgroup 1.2.1 of FGE.19
View page or View pdf
EPI System: View
AIDS Citations: Search
Cancer Citations: Search
Toxicology Citations: Search
EPA Substance Registry Services (TSCA): 625-33-2
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 12248
National Institute of Allergy and Infectious Diseases: Data
WISER: UN 1992
WGK Germany: 3
 pent-3-en-2-one
Chemidplus: 0000625332
RTECS: SB3850000 for cas# 625-33-2
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References:
 pent-3-en-2-one
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 625-33-2
Pubchem (cid): 12248
Pubchem (sid): 134977882
Pherobase: View
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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
HMDB (The Human Metabolome Database): HMDB01184
FooDB: FDB008241
Export Tariff Code: 2914.10
Typical G.C.
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
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Potential Blenders and core components note
 
For Odor
 
For Flavor
 
No flavor group found for these
2-acetyl-1-pyrrolineFL
 hexyl amineFL
2-methyl butyl amineFL
isopentylidene isopentyl amineFL
 phenethyl amineFL
 tripropyl amineFL
 
Synonyms   Articles   Notes   Search   Top
Potential Uses:
 chocolate cocoaFL
 coffeeFL
 mangoFL
 nutFL
 prawnFL
 tobaccoFR
 tomatoFL
Synonyms   Articles   Notes   Search   Top
Occurrence (nature, food, other): note
 beef cooked beef
Search  PMC Picture
 bilberry fruit
Search Trop  Picture
 bonito dried bonito
Search  PMC Picture
 cheese parmesan cheese
Search  PMC Picture
 cherimoya
Search Trop  Picture
 cocoa
Search Trop  Picture
 coffee
Search  PMC Picture
 cranberry fruit
Search Trop  Picture
 elder black elder flower oil
Search Trop  Picture
 endive
Search Trop  Picture
 filbert roasted filbert
Search Trop  Picture
 katsuobushi
Search  PMC Picture
 lavender oil spike spain @ 0.012%
Data  GC  Search Trop  Picture
 mango fruit
Search Trop  Picture
 peanut roasted peanut
Search Trop  Picture
 pork liver
Search  PMC Picture
 potato chip
Search  PMC Picture
 rum
Search  PMC Picture
 safflower bud
Search Trop  Picture
 shrimp
Search  PMC Picture
 shrimp cooked shrimp
Search  PMC Picture
 strawberry wild strawberry fruit
Search Trop  Picture
 tamarind fruit oil
Search Trop  Picture
 tamarind seed oil
Search Trop  Picture
 tea
Search Trop  Picture
 tea green tea
Search Trop  Picture
 tea rooibos tea
Search Trop  Picture
 tomato
Search Trop  Picture
 trassi
Search  Picture
 vanilla
Search  Picture
 yogurt
Search  Picture
Synonyms   Articles   Notes   Search   Top
Synonyms:
 ethylidene acetone
 ketone, methyl propenyl
 ketone, methyl trans-1-propenyl
 methyl 1-propenyl ketone
 methyl propenyl ketone
 pent-3-en-2-one
2-oxo-3-pentene
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Synonyms   Articles   Notes   Search   Top
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