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| IUPAC name : | 2-thiophen-2-yldisulfanylthiophene |
| InChI : | InChI=1/C8H6S4/c1-3-7(9-5-1)11-12-8-4-2-6-10-8/h1-6H |
| InChIKey : | YOLFWWMPGNMXFI-UHFFFAOYAZ |
| SMILES : | C1=CSC(=C1)SSC2=CC=CS2 |
| cas number : | 6911-51-9 |
| beilstein number : | 0147395 |
| fema number : | 3323 |
| coe number : | 2333 |
| jecfa number : | 1053 |
| fl. number : | 15.008 |
| molar refractivity : | 63.77 ± 0.4 cm3 |
| parachor : | 451.9 ± 6.0 cm3 |
| index of refraction : | 1.736 ± 0.03 |
| surface tension : | 65.8 ± 5.0 dyne/cm |
| density : | 1.45 ± 0.1 g/cm3 |
| polarizability : | 25.28 ± 0.5 10-24cm3 |
| XlogP : | 2.60 |
| molecular weight : | 230.3932400 |
| formula : | C8 H6 S4 |
| NMR Predictor : | Predict |
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| export tariff code : | 2934.90 |
| fda reg : | unspecified |
Suppliers :
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| Penta : | 2-thienyl disulfide
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| Sigma-Aldrich-SAFC : | 2-Thienyl disulfide
≥95%, Kosher Odor: earthy |
| Treatt : | 2,2'-Dithiodithiophene
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organoleptics :
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| odor type : | rubbery |
| odor strength : | high , recommend smelling in a 0.10 % solution or less |
odor description : at 0.10 % in propylene glycol. | rubbery |
properties :
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| appearence : | yellow to green crystals |
| assay : | 95.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| melting point : | 55.00 to 60.00 °C. @ 760.00 mm Hg
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| boiling point : | 325.00 to 326.00 °C. @ 760.00 mm Hg
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| flash point : | > 212.00 °F. TCC ( > 100.00 °C. )
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| logP (o/w) : | 3.77 |
safety :
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| most important hazard(s) : | Xn - Harmful. |
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R 22 - Harmful if swallowed. R 36/37/38 - Irritating to eyes, respiratory system, and skin. R 41 - Risk of serious damage to eyes. S 02 - Keep out of the reach of children. S 20/21 - When using do not eat, drink or smoke. S 24/25 - Avoid contact with skin and eyes. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 37/39 - Wear suitable gloves and eye/face protection.
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| Oral Toxicity(LD50) : |
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Gavage-Mouse [sex: M,F] 400.00 mg/kg (Moran et al., 1980)
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| Dermal Toxicity(LD50) : |
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Not determined
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| Inhalation Toxicity(LC50) : |
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Not determined
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safety in use :
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| Maximised Survey-derived Daily Intakes (MSDI-EU) : | ND (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) : | 0.07 (μg/capita/day) |
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| recommendation for 2-thienyl disulfide usage levels up to : |
| | not for fragrance use.
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| recommendation for 2-thienyl disulfide usage levels up to : |
| | 0.2000 ppm in the flavor.
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safety references :
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| European Food Safety Athority(efsa) : | Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
| EPI System : | view |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
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| WGK Germany : | 3 |
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| | 2-thiophen-2-yldisulfanylthiophene
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| RTECS : | JO1987000 for 6911-51-9 |
| chemidplus : | 006911519 |
| EPA Substance Registry Services : | 6911-51-9 |
references :
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| | 2-thiophen-2-yldisulfanylthiophene
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| fl. number : | 15.008 |
| jecfa number : | 1053 |
| NIST Chemistry WebBook : | 3779195336 |
| pubchem : | 165919 |
other :
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