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2-nonen-1-ol
2-Nonen-1-ol is an unsaturated fatty alcohol noted for its medium-strength fatty odor, utilized mainly in flavor and fragrance formulations.
General Material Description
2-Nonen-1-ol is an unsaturated fatty alcohol with the molecular formula C9H18O. It is known by several synonymous names such as non-2-en-1-ol and 2-nonenol. This compound typically appears as a colorless liquid featuring a fatty odor profile characterized by sweet, melon, cucumber, and vegetable nuances. It can be sourced naturally from roselle seed oil and is principally utilized in flavor and fragrance applications for its distinctive sensory characteristics. The chemistry and safety data related to 2-Nonen-1-ol are well documented in reliable chemical databases such as PubChem. Its olfactory properties and moderate volatility make it valuable for imparting green and fatty notes in complex flavor and fragrance formulations.
Occurrence, Applicability & Potential Uses
2-Nonen-1-ol occurs naturally in roselle seed oil, contributing to its characteristic aroma profile. The compound finds primary uses in the flavor and fragrance industry, serving as a medium-strength fatty odorant that adds green, cucumber, melon, and vegetable nuances. Its sensory profile justifies its inclusion in diverse flavor blends, especially those replicating fresh or tropical vegetable notes. The compound’s regulatory status aligns with guidelines from IFRA (Global), which oversee the safe incorporation of such materials in consumer products. Additionally, it is used as a fragrance agent due to its lasting substantivity, ensuring prolonged scent impressions in perfumes and related applications.
Physico-Chemical Properties Summary
2-Nonen-1-ol exhibits moderate physicochemical characteristics that influence its application in formulations. It is a colorless liquid with a boiling point range between 212 to 214°C at standard atmospheric pressure, indicating moderately low volatility. The compound’s estimated logP value of approximately 3.18 reflects moderate hydrophobicity, aiding its solubility in alcohols but limited solubility in water. Its vapor pressure at 25°C is notably low (0.037 mmHg), supporting its sustained volatilization in fragrance compositions. The flash point measured at 87°C (converted from 189°F) indicates safe handling under typical industrial or laboratory conditions. These properties together make 2-Nonen-1-ol suitable for stable incorporation in both flavor and fragrance products, delivering consistent odor impact over extended periods.
FAQ
What is 2-Nonen-1-ol and what are its key characteristics?
2-Nonen-1-ol is an unsaturated fatty alcohol with the formula C9H18O. It is recognized for its medium-strength fatty odor with sensory notes reminiscent of melon, cucumber, and vegetable. This compound is typically a colorless liquid and is commonly used as a flavor and fragrance agent. Its synonyms include non-2-en-1-ol and 2-nonenol. The molecule is naturally found in roselle seed oil. It plays a significant role in imparting fresh and green nuances in formulations.
How is 2-Nonen-1-ol applied and where does it naturally occur?
2-Nonen-1-ol occurs naturally in botanical sources such as roselle seed oil, where it contributes to the oil’s distinctive odor profile. In industry, it is applied mainly as a flavor and fragrance ingredient due to its fatty, green cucumber, and melon-like aroma. Its moderate volatility and substantivity allow it to provide enduring scent notes in perfumery and flavor blends. The compound’s solubility profile supports its use in alcohol-based formulations, enhancing the sensory complexity in food and cosmetic products.
What regulations govern the use of 2-Nonen-1-ol and where can safety data be found?
The use of 2-Nonen-1-ol in consumer products is overseen by standards such as the IFRA Code of Practice (Global), which ensures safe inclusion in fragrances. Safety assessments have indicated no significant hazard classifications under current OSHA (US) guidelines. Comprehensive safety and toxicology information can be accessed from reputable sources including RIFM, ECHA (EU), and the US EPA. Material Safety Data Sheets are available for detailed handling and hazard information. Additionally, databases like PubChem and the EPA Substance Registry provide further substance-specific data. Users are encouraged to consult these sources for formulation and compliance purposes.
US / EU / FDA / JECFA / FEMA / Scholar / Patents
| Google Scholar | Start search |
| Google Books | Start search |
| Google Patents | Start search |
| Perfumer & Flavorists | Start search |
| EU Patents | Start search |
| PubMeb | Start search |
| NCBI | Start search |
Literature & References
| non-2-en-1-ol | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 22104-79-6 |
| Pubchem (cid): | 61896 |
| Pubchem (sid): | 135048594 |
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): | HMDB41498 |
| FooDB: | FDB021468 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
General Material Information
| Preferred name | 2-nonen-1-ol |
| Trivial Name | 2-Nonen-1-ol |
| Short Description | 2-nonenol |
| Formula | C9 H18 O |
| CAS Number | 22104-79-6 |
| ECHA Number | 244-783-9 |
| FDA UNII | Search |
| xLogP3-AA | 3.00 (est) |
| NMR Predictor | External link |
| Synonyms |
|
Suppliers
| Bedoukian Research | Parchem |
PhysChem Properties
| Material listed in food chemical codex | No |
| Molecular weight | 142.24165344238 |
| Boiling Point | 212 to 214°C @ 760 mm Hg |
| Vapor Pressure | 0.037 mmHg @ 25 °C |
| Flash Point TCC Value | 87.3 °C TCC |
| logP (o/w) | 3.184 est |
| Solubility | |
| alcohol | Yes |
| water, 619.3 mg/L @ 25 °C (est) | Yes |
| water | No |
Organoleptic Properties
| Odor Type: Fatty | |
| sweet, fatty, melon, cucumber, vegetable | |
| Odor strength | medium , recommend smelling in a 10.00 % solution or less |
| Substantivity | > 48 hour(s) at 100.00 % |
| General comment | At 10.00 % in dipropylene glycol. sweet fatty, melon cucumber vegetable |
| Flavor Type: Fatty | |
| fatty, green, cucumber, melon, vegetable | |
| General comment | Fatty green cucumber melon vegetable |
| Used in vegetable, melon, cucumber and tropical flavors. | Fatty |
Occurrences
| (data available) |
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 | |||
Safety references
| EPI System: View |
| AIDS Citations:Search |
| Cancer Citations:Search |
| Toxicology Citations:Search |
| EPA Substance Registry Services (TSCA):22104-79-6 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :61896 |
| National Institute of Allergy and Infectious Diseases:Data |
| non-2-en-1-ol |
| Chemidplus:0022104796 |