139-66-2
Phenyl sulfide
CAS: 139-66-2
Molecular Formula: C12H10S
139-66-2 - Names and Identifiers
| Name | Phenyl sulfide |
| Synonyms | Phenyl sulfide Phenyl sulphide benzene sulfide Diphenyl sulfide Diphenyl sulphide 1,1'-thiobis-benzen Phenylthiobenzene benzene,1,1'-thiobis Sulfide, diphenyl Diphenyl monosulfide Diphenylmercaptan Diphenyl thioether Benzene,1,1'-thiobis- 1,1'-Thiobis[benzene] 1,1'-Thiobis(benzene) Diphenyl monosulfide Diphenylthiamethane Benzene, 1,1'-thiobis- 1,1'-Thiobis(benzene) 1,1'-sulfanediyldibenzene (Phenylsulfanyl)benzene |
| CAS | 139-66-2 |
| EINECS | 205-371-4 |
| InChI | InChI=1/C12H10S/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h1-10H |
| InChIKey | LTYMSROWYAPPGB-UHFFFAOYSA-N |
139-66-2 - Physico-chemical Properties
| Molecular Formula | C12H10S |
| Molar Mass | 186.27 |
| Density | 1.113 g/mL at 20 °C (lit.) |
| Melting Point | -40 °C (lit.) |
| Boling Point | 296 °C (lit.) |
| Flash Point | >230°F |
| Water Solubility | insoluble |
| Solubility | Soluble in ether, benzene, carbon disulphide. |
| Vapor Presure | 0.01 hPa (25 °C) |
| Appearance | Liquid |
| Color | Clear colorless to light yellow |
| Merck | 14,7314 |
| BRN | 1907932 |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Sensitive | Stench |
| Refractive Index | n20/D 1.6327(lit.) |
| Physical and Chemical Properties | Colorless liquid. Melting point of about 40 deg C, boiling point of 295-297 deg C, relative density (15/15 deg C) 1.1185, refractive index (nD18)1.6350. With benzene, ether, carbon disulfide mixed carbon, soluble in hot alcohol, insoluble in water. |
| Use | Used as pesticide, medicine, dye intermediates |
139-66-2 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R38 - Irritating to the skin R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R36/38 - Irritating to eyes and skin. |
| Safety Description | S23 - Do not breathe vapour. S28 - After contact with skin, wash immediately with plenty of soap-suds. S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 3082 9/PG 3 |
| WGK Germany | 3 |
| RTECS | SX2275000 |
| FLUKA BRAND F CODES | 13 |
| TSCA | Yes |
| HS Code | 2930 90 98 |
| Hazard Note | Harmful/Stench |
| Hazard Class | 6.1 |
| Packing Group | III |
| Toxicity | LD50 orally in rats: 0.49 ml/kg (Smyth) |
139-66-2 - Nature
Open Data Verified Data
colorless liquid, almost no smell. The melting point is about -40 ℃, the boiling point is 296 ℃,189 ℃(6.66kPa), the relative density is 1. 1185, and the refractive index is 1.635. Soluble in ether, carbon disulfide, benzene, soluble in hot alcohol, insoluble in water.
Last Update：2025-06-10 22:55:16
139-66-2 - Preparation Method
Open Data Verified Data
chlorobenzene method using chlorobenzene as a starting material, there are a method of reacting with sulfur and a method of reacting with hydrogen sulfide. (1) sulfur method (2) hydrogen sulfide method.
Diphenyl disulfide method a certain amount of diphenyl disulfide and iodobenzene were dissolved in ethyl acetate and irradiated with a low-pressure mercury lamp. The yield of the product was 12%.
Last Update：2022-01-01 10:56:11
139-66-2 - Application
Open Data Verified Data
from this product can be synthesized 2,4-chlorophenol, used for the synthesis of herbicide ether, 2,4 a drop, EPBP, toxic grams powder, such as mite ester; pharmaceutical for the synthesis of thiodidichlorophenol.
Last Update：2025-08-19 16:24:40
139-66-2 - Safety
Open Data Verified Data
toxic. Ingestion, inhalation or skin contact absorption can cause serious injury and even death. Appropriate protective clothing should be worn.
Last Update：2022-01-01 10:56:12
139-66-2 - Reference Information
| LogP | 4.63 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | for organic synthesis. used as pesticide, medicine, dye intermediate |
| production method | mix 858G of anhydrous benzene and 464G of aluminum trichloride, cool to 10 °c, A solution of 405.1G of sulfur chloride and 390g of benzene was added with stirring. The reaction was started immediately, and hydrogen chloride was evolved, and a yellow viscous aluminum trichloride complex was precipitated. After completion of the reaction, the reaction mixture was ice-separated. The benzene layer was separated, and the dark oily matter after benzene evaporation was cooled to 0 ° C., and the precipitated sulfur was filtered off. The oil was then dissolved in methanol, cooled to 0 °c, and the precipitated sulfur was filtered off. The methanol solution continued to distill a small amount of low-boiling fraction after recovery of the methanol. The 155-170 °c (2.39kPa) fraction was then collected as a crude product. The crude product was heat-treated with zinc powder and sodium hydroxide, washed with water, dried, and finally distilled under reduced pressure to obtain 450-464G of diphenyl sulfide. |
Last Update：2024-04-09 15:16:45
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View History
139-66-2
98665-20-4
748184-01-2
32783-20-3
52093-27-3
112-43-6
54182-57-9
1996-38-9
Cyclooctapentylose
2355229-03-5
98665-20-4
748184-01-2
32783-20-3
52093-27-3
112-43-6
54182-57-9
1996-38-9
Cyclooctapentylose
2355229-03-5