(Trichloromethyl)sulfenyl chloride
PERCHLORMETHYL MERCAPTAN
CAS: 594-42-3
Molecular Formula: CCl4S
(Trichloromethyl)sulfenyl chloride - Names and Identifiers
(Trichloromethyl)sulfenyl chloride - Physico-chemical Properties
| Molecular Formula | CCl4S |
| Molar Mass | 185.88 |
| Density | 1.7 |
| Boling Point | 146-148 ºC |
| Vapor Presure | 2.02 psi ( 20 °C) |
| Refractive Index | 1.537 |
| Physical and Chemical Properties | This product is a yellow oily liquid with irritating taste, B. p.146 ~ 148 ℃,n20D 1.5370, 1.700 relative density, soluble in organic solvents, insoluble in water, and is a toxic and corrosive liquid. |
| Use | Trichlorosulfur chloromethane is an important intermediate of bactericide clindan, sterilization pill and so on. The product is a dye, pesticide and other organic synthesis intermediates. For example, perchloromethyl mercaptan can be synthesized with 1,2,3, 6-tetrahydrophthalimide and phthalimide respectively to prepare the pesticide bactericide clindan and sterilizing pill. Used as an intermediate in organic synthesis |
(Trichloromethyl)sulfenyl chloride - Risk and Safety
| Risk Codes | R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R34 - Causes burns R26 - Very Toxic by inhalation R25 - Toxic if swallowed R21 - Harmful in contact with skin R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| UN IDs | UN 1670 6.1/PG 1 |
(Trichloromethyl)sulfenyl chloride - Upstream Downstream Industry
(Trichloromethyl)sulfenyl chloride - Nature
Open Data Unverified Data
| boiling point | 146-148 °C(lit.) |
| density | 1.7 g/mL at 25 °C(lit.) |
| vapor density | 6.41 (vs air) |
| Vapor pressure | 2.02 psi ( 20 °C) |
| refractive index | n20/D 1.537(lit.) |
| morphology | Liquid |
| color | Clear yellow |
| NIST chemical information | Methanesulfenyl chloride, trichloro-(594-42-3) |
| EPA chemical information | Perchloromethyl mercaptan (594-42-3) |
Last Update：2024-04-09 19:43:38
(Trichloromethyl)sulfenyl chloride - Production method
Open Data Unverified Data
- It is obtained by the reaction of carbon disulfide and chlorine in the presence of dilute hydrochloric acid. The temperature of the refluxed frozen brine in the chlorination reaction pot is maintained at 2 ℃, the 12% hydrochloric acid and carbon disulfide (mol ratio CS2:Cl2 = 1:5) are added to the reaction pot, and the chlorine gas is stirred at the same time, and the chlorine gas flow rate is controlled to keep the reaction temperature at (26±2)℃, and the reaction is usually carried out for 3 hours. When the relative density of trich, stop chlorine passing, stirring, standing and separation to obtain the finished product with a yield of 80%-90%.
- its preparation method is by chlorine and carbon disulfide in the presence of catalyst iodine reaction, the reaction temperature is 10~25 ℃, can use continuous reaction, but need to have an efficient heat dissipation device to remove the reaction heat, the crude product is refined products. CS2+Cl2[I2]→Cl3CSCl
Last Update：2024-04-09 19:43:38
(Trichloromethyl)sulfenyl chloride - Security information
Open Data Unverified Data
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | oral-rat LD50: 82.6 mg/kg; Oral-mouse LD50: 400 mg/kg |
| Stimulus data | skin-rabbit 500 mg/24 hours severe; Eye-rabbit 0.050 mg/24 hours severe |
| flammability hazard characteristics | Combustible; fire scene decomposes toxic hydrogen chloride, sulfur oxide gas |
| storage and transportation characteristics | The warehouse is ventilated and dry at low temperature; stored and transported separately from food |
| fire extinguishing agent | water, carbon dioxide, dry powder, sand |
| occupational standards | TLV-TWA 0.8 mg/m3 |
| dangerous goods mark | T,T ,N |
| hazard category code | 23/24/25-34-26-25-21-52/53 |
| safety instructions | 26-36/37/39-45-7/9-28A-25-61 |
| dangerous goods transport number | UN 1670 6.1/PG 1 |
| WGK Germany | 3 |
| RTECS number | PB0370000 |
| F | 13-21 |
| HazardClass | 6.1(a) |
| PackingGroup | I |
| customs code | 29309099 |
| toxic substance data | 594-42-3(Hazardous Substances Data) |
| immediate threat to life and health concentration | 10 ppm |
Last Update：2024-04-09 19:43:38
(Trichloromethyl)sulfenyl chloride - MSDS
Open Data Unverified Data
| SigmaAldrich | English |
Last Update：2024-04-09 19:43:38
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