3-penten-2-one
ethylidene acetone

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  Beijing Lys Chemicals Co, LTD.

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  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.
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  BOC Sciences

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  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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  Penta International Corporation

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  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.
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  Sigma-Aldrich

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  Sigma-Aldrich is a leading Life Science and High Technology company dedicated to providing high-quality, safe and certified flavor ingredients with transparent and easily accessible documentation to customers around the globe. Sigma-Aldrich also provides a suite of analytical tools that allow food analysts to simplify sample preparation, cleanup and analysis steps, while increasing sensitivity to trace ingredients and harmful substances to meet regulations and quality standards.
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  W341703 3-Penten-2-one, ≥70%
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  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.
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  WholeChem, LLC

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  3-Penten-2-one

Name: pent-3-en-2-one CAS Number: 625-33-2 3D/inchi ECHA EINECS - REACH Pre-Reg: 210-888-3 FDA UNII: Search 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, Edge 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   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   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).   Cosmetic Information: None found   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% sds 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   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.   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 ppm average 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: - -   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   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   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   Potential Blenders and core components note For Odor For Flavor No flavor group found for these 2- acetyl-1-pyrroline FL hexyl amine FL 2- methyl butyl amine FL iso pentylidene isopentyl amine FL phenethyl amine FL tripropyl amine FL   Potential Uses: FL chocolate cocoa FL coffee FL mango FL nut FL prawn FR tobacco FL tomato   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:   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   Articles: Info:Volatile Flavor Components in Bogyojosaeng and Suhong Cultivars of Strawberry (Fragaria ananassa Duch.)

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)