| Preferred name | 2',3-dimethyl-3',4-dioxa-2,8-dithiabicyclo(3.3.0)octane spirocyclopentane |
| Trivial Name | Hexahydro-2′,3a-dimethylspiro[1,3-dithiolo[4,5-b]furan-2,3′(2′H)-furan] |
| Short Description | spiro(2,4-dithia-1-methyl-8-oxabicyclo(3.3.0)octane-3,3'-(1'-oxa-2-methyl)cyclopentane) |
| Formula | C10 H16 O2 S2 |
| CAS Number | 38325-25-6 |
| FEMA Number | 3270 |
| Flavis Number | 15.007 |
| ECHA Number | 253-884-7 |
| FDA UNII | TER5ZXE00D |
| Nikkaji Number | J294.644K |
| COE Number | 2325 |
| xLogP3-AA | 2.10 (est) |
| NMR Predictor | External link |
| JECFA Food Flavoring | 1296 spiro[2,4-dithia-1-methyl-8-oxabicyclo(3.3.0)octane-3,3'-(1'-oxa-2'-methyl)-cyclopentane] |
| FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm | 38325-25-6 ; SPIRO(2,4-DITHIA-1-METHYL-8-OXABICYCLO(3.3.0)OCTANE-3,3'-(1'-OXA-2'-METHYL)CYCLOPENTANE) |
| Synonyms |
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| 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 |
| (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): | HMDB37809 |
| FooDB: | FDB016954 |
| ChemSpider: | View |
| EFSA Update of results on the monitoring of furan levels in food: | Read Report |
| EFSA Previous report: Results on the monitoring of furan levels in food: | Read Report |
| EFSA Report of the CONTAM Panel on provisional findings on furan in food: | Read Report |
| BOC Sciences | Parchem |
| Penta International | Shijiazhuang Donglian Nankai Aroma Chemicals |
| Penta International Corporation |
| Material listed in food chemical codex | No |
| Molecular weight | 232.36592102051 |
| Specific gravity | @ 25 °C |
| Pounds per Gallon | 9.985 to 10.052 |
| Refractive Index | 1.559 to 1.565 @ 20 °C |
| Boiling Point | 135 to 140°C @ 3 mm Hg |
| Vapor Pressure | 5.0E-5 mmHg @ 25 °C |
| Flash Point TCC Value | 169.44 °C TCC |
| logP (o/w) | 2.832 est |
| Solubility | |
| alcohol | Yes |
| water, 68.67 mg/L @ 25 °C (est) | Yes |
| water | No |
| Flavor Type: Meaty | |
| meaty | |
| General comment | Meaty |
| Applications | |
| Flavoring purposes | Meat |
| 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 | |
| Category: | |||
| flavoring agents | |||
| Recommendation for 2',3-dimethyl-3',4-dioxa-2,8-dithiabicyclo(3.3.0)octane spirocyclopentane usage levels up to: | |||
| not for fragrance use. | |||
| Maximised Survey-derived Daily Intakes (MSDI-EU): | 6.10 (μg/capita/day) | ||
| Threshold of Concern: | 90 (μg/person/day) | ||
| Structure Class: | III | ||
| 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: 5 | |||
| Click here to view publication 5 | |||
| average usual ppm | average maximum ppm | ||
| baked goods: | - | - | |
| beverages(nonalcoholic): | - | 0.04500 | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | - | |
| cheese: | - | - | |
| chewing gum: | - | - | |
| condiments / relishes: | - | - | |
| confectionery froastings: | - | - | |
| egg products: | - | - | |
| fats / oils: | - | 2.40000 | |
| fish products: | - | - | |
| frozen dairy: | - | 0.25000 | |
| fruit ices: | - | 0.25000 | |
| gelatins / puddings: | - | - | |
| granulated sugar: | - | - | |
| gravies: | - | 0.07000 | |
| hard candy: | - | 0.10000 | |
| imitation dairy: | - | - | |
| instant coffee / tea: | - | - | |
| jams / jellies: | - | - | |
| meat products: | - | 0.07000 | |
| milk products: | - | - | |
| nut products: | - | - | |
| other grains: | - | - | |
| poultry: | - | - | |
| processed fruits: | - | - | |
| processed vegetables: | - | - | |
| reconstituted vegetables: | - | - | |
| seasonings / flavors: | - | - | |
| snack foods: | - | - | |
| soft candy: | - | - | |
| soups: | - | 0.07000 | |
| sugar substitutes: | - | - | |
| sweet sauces: | - | - | |
| 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 8, Revision 3 (FGE.08Rev3): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 View page or View pdf |
| Scientific Opinion on Flavouring Group Evaluation 08, Revision 4 (FGE.08Rev4): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 View page or View pdf |
| Scientific Opinion on Flavouring Group Evaluation 08, Revision 5 (FGE.08Rev5): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 View page or View pdf |
| EPI System: View |
| AIDS Citations:Search |
| Cancer Citations:Search |
| Toxicology Citations:Search |
| EPA Substance Registry Services (TSCA):38325-25-6 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :61979 |
| National Institute of Allergy and Infectious Diseases:Data |
| 2',3a-dimethylspiro[6,6a-dihydro-5H-[1,3]dithiolo[4,5-b]furan-2,3'-oxolane] |
| Chemidplus:0038325256 |