CSCl2
Thiophosgene
CAS: 463-71-8
Molecular Formula: CCl2S
CSCl2 - Names and Identifiers
| Name | Thiophosgene |
| Synonyms | CSCl2 Thiophosgene Phosgene, thio- carbonchlorosulfide Dichlorothiocarbonyl Carbon chlorosulfide Thiocarbonyl chloride carbonothioicdichloride carbonothioyl dichloride Carbonyl chloride, thio- Carbonic dichloride, thio- |
| CAS | 463-71-8 |
| EINECS | 207-341-6 |
| InChI | InChI=1/CCl2S/c2-1(3)4 |
CSCl2 - Physico-chemical Properties
| Molecular Formula | CCl2S |
| Molar Mass | 114.982 |
| Density | 1.579g/cm3 |
| Melting Point | <25 °C |
| Boling Point | 73°C at 760 mmHg |
| Flash Point | 62 °C |
| Water Solubility | slow decomposition in cold, fast in hot water |
| Vapor Presure | 127mmHg at 25°C |
| Refractive Index | 1.563 |
| Physical and Chemical Properties | Sulfur phosgene is a reddish liquid, B. p.73.5 ℃,n20D 1.5442, relative density 1.5085(15/4 ℃), soluble in ether, decomposes with water and alcohol, and has pungent smell. |
| Use | Thiophosgene is an intermediate for the preparation of acaricide butyletherurea, and also an important intermediate for the preparation of thiocarbamate insecticides and herbicides. For organic synthesis, can be used for the synthesis of liranayl ester |
CSCl2 - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R22 - Harmful if swallowed R23 - Toxic by inhalation R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2474 |
CSCl2 - Upstream Downstream Industry
CSCl2 - Nature
| melting point | <25 °C |
| boiling point | 73 °C |
| density | 1.508 |
| vapor density | 4 (vs air) |
| refractive index | n20/D 1.548(lit.) |
| flash point | 62 °C |
| storage conditions | 2-8°C |
| morphology | Liquid |
| color | A reddish liquid |
| water solubility | slow decomposition in cold, fast in hot water |
| BRN | 1633495 |
| stability | Stable. but reacts violently with water to produce toxic fumes. Incompatible with water, alcohols. Refrigerate at 2-8 C. |
| NIST chemical information | Carbonothioic dichloride(463-71-8) |
| EPA chemical information | Thiophosgene (463-71-8) |
Last Update：2024-04-10 22:29:15
CSCl2 - Security information
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | oral administration-rat LD50: 929 mg/kg; Inhalation-mouse LC50: 0.37g/m3 |
| Stimulus data | skin-rabbit 500 mg/24 hours moderate; Eyes-rabbit 0.05 mg/24 hours severe |
| flammability hazard characteristics | decomposition of toxic, flammable hydrogen sulfide and hydrogen chloride gas in case of acid; slow decomposition of the above gas in water |
| storage and transportation characteristics | The warehouse is ventilated and dry at low temperature; it is stored and transported separately from strong acid and food |
| fire extinguishing agent | sand, carbon dioxide |
| dangerous goods mark | T |
| hazard category code | 22-23-36/37/38 |
| safety instructions | 7-9-36/37-45-7/9 |
| dangerous goods transport number | UN 2474 6.1/PG 2 |
| WGK Germany | 1 |
| RTECS number | XN2450000 |
| F | 19-21 |
| HazardClass | 6.1(a) |
| PackingGroup | II |
| customs code | 28530090 |
| toxic substance data | 463-71-8(Hazardous Substances Data) |
Last Update：2024-04-10 22:29:15
CSCl2 - Production method
Thiophosgene is made by reducing perchloromethyl mercaptan.
Add potassium iodide to the mixture of perchloromethyl mercaptan, tetrachloroethane and water, stir, introduce sulfur dioxide at room temperature, automatically heat up during the reaction, adjust the ventilation volume, and keep the temperature at 50~70 ℃. When the temperature of the reaction liquid no longer rises and the sulfur dioxide is no longer obviously absorbed, stop aeration, cool and stand, divide the organic layer for fractionation, and collect the fraction below 76 ℃ to obtain sulfur phosgene.
It is obtained by reduction and elimination of perchloromethyl mercaptan. Add potassium iodide to the mixture of perchloromethyl mercaptan, tetrachloroethane and water, stir, and introduce sulfur dioxide at room temperature. During the reaction, the temperature is automatically increased, the ventilation volume is adjusted, and the temperature is kept at 50-70°C. Stop ventilation when the temperature of the reaction solution no longer rises and sulfur dioxide is no longer significantly absorbed. Cooling and standing, taking the organic layer for fractionation, collecting fractions below 76 ℃ to obtain sulfur phosgene.
Last Update：2024-04-10 22:29:15
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View History
Raw Materials for CSCl2
Downstream Products for CSCl2
5-ISOTHIOCYANATO-1,3-DIMETHYL-1H-PYRAZOLE
Amoscanate
1,4-PHENYLENE DIISOTHIOCYANATE
DI-2-PYRIDYL THIONOCARBONATE
4-CARBOXYPHENYL ISOTHIOCYANATE
2-ETHOXYPHENYL ISOTHIOCYANATE
2,3-DIHYDRO-1,4-BENZODIOXIN-6-YL ISOTHIOCYANATE
3,5-DIMETHYLPHENYL ISOTHIOCYANATE
2-CHLORO-4-METHYLPHENYL ISOTHIOCYANATE
Amoscanate
1,4-PHENYLENE DIISOTHIOCYANATE
DI-2-PYRIDYL THIONOCARBONATE
4-CARBOXYPHENYL ISOTHIOCYANATE
2-ETHOXYPHENYL ISOTHIOCYANATE
2,3-DIHYDRO-1,4-BENZODIOXIN-6-YL ISOTHIOCYANATE
3,5-DIMETHYLPHENYL ISOTHIOCYANATE
2-CHLORO-4-METHYLPHENYL ISOTHIOCYANATE