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melozol acetate
Melozol acetate is a fragrance compound with a medium woody scent profile, used primarily for its sandalwood nuances in perfuming applications.
General Material Description
Melozol acetate is a synthetic fragrance ester with the molecular formula C13H20O2 and a molecular weight of approximately 208.3 g/mol. It appears as a liquid with a characteristic medium-strength woody odor that closely resembles sandalwood, exhibiting floral and fruity undertones often described as soft and slightly ambery. Known under various synonyms such as 4,7-methano-1H-indenemethanol octahydro acetate and mysore acetate (Symrise), this compound is valued in the fragrance industry for its sandalwood-like nuances. The chemical is derived synthetically and can be referenced in controlled vocabulary resources such as PubChem for detailed chemical and structural information. Melozol acetate's distinctive scent profile renders it versatile for complex fragrance formulations.
Occurrence, Applicability & Potential Uses
Melozol acetate does not occur naturally but is synthetically produced to mimic sandalwood aroma profiles. It is primarily applied as a fragrance agent in perfuming products, where it contributes fresh, woody-sandalwood, floral-violet, and fruity notes that enhance the overall complexity of a fragrance composition. According to IFRA (Global) standards, melozol acetate can be used safely up to 4.0% in fragrance concentrates. Its substantivity extends up to 168 hours at full concentration, indicating long-lasting scent retention. The compound is stable in body lotions, shampoos, roll-ons, and powders, but less so in soaps and certain cleaning agents, restricting its suitability in some product types.
Physico-Chemical Properties Summary
Melozol acetate is characterized by a moderate molecular weight and a predicted logP of approximately 3.95, indicating a balance between lipophilicity and hydrophilicity. It has a boiling point range of 267 to 269°C at standard atmospheric pressure and a low vapor pressure around 0.007 mmHg at 25°C, contributing to its sustained volatilization and long fragrance substantivity. The compound exhibits limited water solubility (estimated 36.64 mg/L at 25°C) yet dissolves readily in alcohols, supporting its incorporation into alcohol-based fragrance formulations. Its flash point measured by Tag Closed Cup is approximately 230°F (110°C), implying moderate flammability precautions during handling. These physical and chemical traits influence formulation design, favoring applications requiring woody, lasting scent profiles with good compatibility in many personal care products.
FAQ
What is melozol acetate and what are its main characteristics?
Melozol acetate is a synthetic fragrance compound known for its woody and sandalwood-like scent profile, which includes floral and fruity nuances. It serves as a perfuming agent with medium odor strength and high substantivity, making it valuable in fragrance compositions. Chemically, it is an acetate ester with the molecular formula C13H20O2 and is recognized under various names including mysore acetate and sandal acetate.
How is melozol acetate used in fragrancing products and what are its stability aspects?
Melozol acetate is incorporated into perfuming agents to impart fresh woody and sandalwood notes. It demonstrates good stability in product types such as body lotions, shampoos, roll-ons, and powders while being less stable in soaps and certain cleaning agents. Its chemical properties support long-lasting scent delivery, with a substantivity lasting up to 168 hours at full concentration. Usage levels are regulated by IFRA, allowing up to 4% concentration in fragrance formulations.
What safety and regulatory considerations apply to melozol acetate in fragrance use?
Melozol acetate has no classified hazards according to OSHA HCS standards and lacks specific hazard or precautionary statements. It is evaluated in fragrance safety assessments by organizations such as RIFM and regulated under IFRA guidelines (Global), which recommend concentration limits to ensure safe consumer exposure. It is not approved for flavor use and should be handled according to standard safety practices relevant to fragrance materials.
US / EU / FDA / JECFA / FEMA / Scholar / Patents
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| PubMeb | Start search |
| NCBI | Start search |
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): | Search |
| Export Tariff Code: | 2915.39.8000 |
| ChemSpider: | View |
General Material Information
| Preferred name | melozol acetate |
| Trivial Name | 4,7-Methano-1H-indenemethanol, octahydro-, acetate |
| Short Description | mysore acetate (Symrise) |
| Formula | C13 H20 O2 |
| CAS Number | 30772-69-1 |
| ECHA Number | 250-331-1 |
| FDA UNII | Search |
| MDL | MFCD00678017 |
| xLogP3-AA | 3.20 (est) |
| NMR Predictor | External link |
| Synonyms |
|
Suppliers
PhysChem Properties
| Material listed in food chemical codex | No |
| Molecular weight | 208.30079650879 |
| Boiling Point | 267 to 269°C @ 760 mm Hg |
| Vapor Pressure | 0.007 mmHg @ 25 °C |
| Flash Point TCC Value | 110 °C TCC |
| logP (o/w) | 3.954 est |
| Solubility | |
| alcohol | Yes |
| water, 36.64 mg/L @ 25 °C (est) | Yes |
| water | No |
Organoleptic Properties
| Odor Type: Woody | |
| sandalwood, woody, fruity, floral, amber | |
| Odor strength | medium |
| Substantivity | 168 hour(s) at 100.00 % |
| General comment | At 100.00 %. sandalwood woody fruity floral amber |
| Stable in: body lotion (good), shampoo (good), soap (poor), ap roll-on (good), powder (good), cleaner citric (poor), cleaner apc (poor), bleach (poor). | Clear, soft woody-fruity with aspects of sandalwood, floral accents, slightly ambery |
| This Symrise product looks on the face of it like another sandalwood odourant and although it can certainly contribute a fresher quality to a sandalwood base that is very attractive, it’s more versatile than this. | Fresh, woody-sandalwood, floral-violet, fruity, ambery |
Safety Information
Safety information
| 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: | |||
| 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 melozol acetate usage levels up to: | |||
| 4.0000 % in the fragrance concentrate. | |||
| Recommendation for melozol acetate flavor usage levels up to: | |||
| not for flavor use. | |||
Safety references
| EPI System: View |
| AIDS Citations:Search |
| Cancer Citations:Search |
| Toxicology Citations:Search |
| EPA Substance Registry Services (TSCA):30772-69-1 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :161675 |
| National Institute of Allergy and Infectious Diseases:Data |
| WGK Germany:2 |
| Chemidplus:0030772691 |