Dipropyl sulphide
Dipropyl sulfide
CAS: 111-47-7
Molecular Formula: C6H14S
Dipropyl sulphide - Names and Identifiers
| Name | Dipropyl sulfide |
| Synonyms | 4-Thiaheptane 4-THIAHEPTANE Propyl sulfide Dipropyl sulfide DIPROPYL SULFIDE DIPROPYL SULPHIDE Dipropyl sulphide Propyl monosulfide DI-N-PROPYL SULFIDE Di-n-propyl sulfide DI-N-PROPYL SULPHIDE propane,1,1'-thiobis- 1,1'-THIOBIS(PROPANE) Propane, 1,1'-thiobis- 1-(propylsulfanyl)propane |
| CAS | 111-47-7 |
| EINECS | 203-873-8 |
| InChI | InChI=1/C6H14S/c1-3-5-7-6-4-2/h3-6H2,1-2H3 |
Dipropyl sulphide - Physico-chemical Properties
| Molecular Formula | C6H14S |
| Molar Mass | 118.24 |
| Density | 0.838g/mLat 25°C(lit.) |
| Melting Point | −103°C(lit.) |
| Boling Point | 142-143°C(lit.) |
| Flash Point | 83°F |
| Water Solubility | Soluble in water 351mg/L @ 25°C. |
| Vapor Presure | 6.42mmHg at 25°C |
| Appearance | liquid |
| Specific Gravity | 0.838 |
| Color | Colorless to Almost colorless |
| Merck | 14,7868 |
| BRN | 1719002 |
| Storage Condition | Store below +30°C. |
| Explosive Limit | 1-51%(V) |
| Refractive Index | n20/D 1.4487(lit.) |
| Physical and Chemical Properties | Colorless liquid. Melting point 101.9 ℃, boiling point 142.38 ℃,32.31(1.33kPa), relative density 0.8377(20/4 ℃), refractive index 1.4487, flash point 28 ℃. Soluble in ethanol and ether, insoluble in water, there is a bad smell. It is easily oxidized in air. |
| Use | Used as a daily flavor |
Dipropyl sulphide - Risk and Safety
| Risk Codes | R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. R36 - Irritating to the eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S39 - Wear eye / face protection. S16 - Keep away from sources of ignition. S7/9 - |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 13 |
| TSCA | Yes |
| HS Code | 29309070 |
| Hazard Note | Harmful/Irritant |
| Hazard Class | 3 |
| Packing Group | III |
Dipropyl sulphide - Reference Information
| olfactory threshold (Odor Threshold) | 0.00054ppm |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | for organic synthesis. Used as daily essence |
| Production method | It is obtained by the reaction of bromopropane and sodium sulfide. Bromopropane is slowly added to the sodium sulfide solution heated and dissolved with ethanol, and then refluxed for 7 hours. During the feeding reaction, stir not too fast. Cold to room temperature, pour into 25% sodium chloride solution for salting out, thoroughly mix and let stand for stratification. The oil layer is divided, dried with anhydrous sodium sulfate and then distilled, and the 144-144 ℃ fraction is collected as dipropylene sulfur. The yield is about 70%. |
| category | flammable liquid |
| flammability hazard characteristics | flammable; combustion products emit toxic sulfide gases |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from oxidant storage and transportation |
| fire extinguishing agent | dry powder, carbon dioxide, water, foam |
Last Update：2024-04-09 21:04:16
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