![2,6,10,10-Tetramethyl-1-oxaspiro[4.5]dec-6-ene](/uploads/41226/2-6-10-10-tetramethyl-1-oxaspiro-4-5-dec-669f47.gif)
Product Introduction
| 2,6,10,10-Tetramethyl-1-oxaspiro[4.5]dec-6-ene Basic information |
| Product Name: | 2,6,10,10-Tetramethyl-1-oxaspiro[4.5]dec-6-ene |
| Synonyms: | 2,6,10,10-tetramethyl-1-oxaspiro[4.5]dec-6-en;FEMA 3774;2,6,10,10-TETRAMETHYL-1-OXASPIRO[4.5]DEC-6-ENE;2,6,10,10-TETRAMETHYL-1-OXASPIROL[4,5]DEC-6-ENE;spiroxide;THEASPIRAN;(+/-)-THEASPIRANE;THEASPIRANE |
| CAS: | 36431-72-8 |
| MF: | C13H22O |
| MW: | 194.31 |
| EINECS: | 253-031-9 |
| Product Categories: | C12 to C20+;Building Blocks;Flavor;Chemical Synthesis;Furans;Heterocyclic Building Blocks |
| Mol File: | 36431-72-8.mol |
![2,6,10,10-Tetramethyl-1-oxaspiro[4.5]dec-6-ene Structure](https://www.chemicalbook.com/CAS/GIF/36431-72-8.gif "product-1-1") |
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| 2,6,10,10-Tetramethyl-1-oxaspiro[4.5]dec-6-ene Chemical Properties |
| Boiling point | 68-72 °C3 mm Hg(lit.) |
| density | 0.931 g/mL at 25 °C(lit.) |
| refractive index | n20/D 1.438(lit.) |
| FEMA | 3774 | THEASPIRANE |
| Fp | 195 °F |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Chloroform (Slightly), Ethyl Acetate (Slightly) |
| form | Oil |
| color | Colourless |
| Odor | at 1.00 % in dipropylene glycol. tea herbal green wet tobacco leaf metallic woody spicy |
| Odor Type | herbal |
| JECFA Number | 1238 |
| BRN | 1424383 |
| LogP | 4.14 |
| CAS DataBase Reference | 36431-72-8(CAS DataBase Reference) |
| EPA Substance Registry System | 1-Oxaspiro[4.5]dec-6-ene, 2,6,10,10-tetramethyl- (36431-72-8) |
| Safety Information |
| Safety Statements | 24/25 |
| WGK Germany | 2 |
| HS Code | 2932190090 |
| MSDS Information |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| 2,6,10,10-Tetramethyl-1-oxaspiro[4.5]dec-6-ene Usage And Synthesis |
| Description | Theaspirane is a pale yellow liquid, soluble in alcohol or propylene glycol. It has a typical black tea aroma, sweet taste, and mixed aroma characteristics such as fruity and woody aromas. Theaspirane is a high-grade monomeric fragrance widely used internationally. |
| Chemical Properties | Theaspirane is fruity, woody, sweetish and ionone-like camphoraceous. |
| Occurrence | Reported found in Vitis vinifera L., raspberry (Rubus idaecus L.), white wine, black tea, yellow passion fruit juice, yellow passion fruit, grape, quince, cherimoya (Annona cherimola) and black chokeberry (Aronia melanocarpa Ell.). |
| Characteristics | 1. Found in tobacco leaves. 2. Naturally present in yellow egg fruit, sweet-scented osmanthus, raspberry. 3. The tea spiro in tobacco comes from the degradation of carotene. 4. There are two isomers, one is woody, camphor aroma, and the other is naphthalene-like smell. |
| Definition | ChEBI: Theaspirane is a norisoprenoid with forumula C13H22O that is a flavour component found in various essential oils such as raspberry oil and passion fruit oil. It has a role as a fragrance, a flavouring agent and a volatile oil component. It is an oxaspiro compound, a volatile organic compound, a norisoprenoid and an olefinic compound. |
| Aroma threshold values | Aroma characteristics at 1.0%: cooling minty, woody pine-like, mentholic, camphorous with a slight green ethereal nuance. |
| Taste threshold values | Taste characteristics at 10 ppm: cooling green, mentholic, woody pine and cedar-like with an herbal nuance. |
| Synthesis Reference(s) | Tetrahedron Letters, 26, p. 4637, 1985 DOI: 10.1016/S0040-4039(00)98772-0 |
| Biochem/physiol Actions | Odor at 1.0% |
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