Molecular Formula | Cl3PS |
Molar Mass | 169.4 |
Density | 1.668 g/mL at 25 °C (lit.) |
Melting Point | -35 °C (lit.) |
Boling Point | 125 °C (lit.) |
Water Solubility | hydrolyzes in H2O, forming H3PO4, HCl, H2S; hydrolyzes rapidly in alkaline solutions; soluble benzene, CCl4, CS2, chloroform [MER06] |
Solubility | benzene: soluble(lit.) |
Vapor Presure | 21.9hPa at 25℃ |
Appearance | liquid |
Specific Gravity | 1.668 |
Color | colorless |
Merck | 14,7356 |
Sensitive | moisture sensitive |
Refractive Index | n20/D 1.555(lit.) |
Physical and Chemical Properties | Appearance of trichlorosulfon is a colorless transparent liquid, boiling point 125 ℃, specific gravity 1.685, solidified body -36.2~40.8 ℃, refractive index 1.635(25 ℃), short-term insoluble in cold water, slow decomposition in cold water, in hot water and alkali solution in the rapid decomposition, soluble in benzene, carbon tetrachloride, carbon disulfide, chloroform and other chloroform organic solvents. |
Use | This product is an important intermediate for the manufacture of trimethoprim, parathion, trithion, methamidophos and other organophosphorus pesticides. |
Hazard Symbols | T+ - Very toxic |
Risk Codes | R22 - Harmful if swallowed R26 - Very Toxic by inhalation R34 - Causes burns R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
UN IDs | UN 1837 8/PG 2 |
WGK Germany | 2 |
RTECS | XN2930000 |
FLUKA BRAND F CODES | 21 |
HS Code | 28273985 |
Hazard Class | 8 |
Packing Group | II |
a colorless, transparent, fuming liquid. Relative density 1. 668, melting point -35 ℃. Boiling point of 125 ° C, soluble in benzene, carbon disulfide and carbon tetrachloride. In the case of cold water slow hydrolysis, hot water when the rapid reaction decomposition into hydrogen chloride, hydrogen sulfide and phosphoric acid. Volatile, smoke in the air, irritating odor and strong tear effect, great harm to the eyes and other mucous membranes.
synthesis method: the appropriate amount of catalyst is added to the reactor, and then molten sulfur heated to 1 40 °c is added to the reactor, and the reactor is heated to a liquid phase temperature of 140~160 °c, when the gas phase temperature is 12 5~13 0 ℃, according to the feed ratio (mass ratio) S:PCI3 = 1:4.3, an appropriate amount of phosphorus trichloride is added to the reactor to react to generate phosphorus trichloride, continuous distillation from the reactor, reflux condensation, separation, the preparation of phosphorus chloride.
It is mainly used as a raw material for the production of organophosphorus pesticides such as methyl parathion, dimethyl thiophosphoryl chloride, diethyl thiophosphoryl chloride and methamidophos, benthion, and low toxic organophosphorus pesticides, it is also used as a raw material for organic synthesis of phosphorus compounds.
is a Class I inorganic acid corrosion articles, should be stored in a cool, ventilated, dry warehouse. It cannot be stored and mixed with flammable materials, oxidants, deliquescent articles and strong alkalis. Transport should be prevented from rain, because the product is decomposed when it meets water, and its gas is toxic. During loading and unloading, care should be taken to prevent package breakage. Packaged in dry glass bottles, each bottle with a net weight of 25kg, coated with an iron drum or a semi-cage wooden box. The package shall be marked with "drug" and "corrosive substance. Fire, dry sand, dry powder fire or carbon dioxide fire extinguishing, but not water. The volatile gas is toxic, irritating, corrosive, and irritating to the lungs, mucous membranes, and eyes. Leakage should be prevented, causing poisoning accidents. This product is more corrosive, such as accidentally touch the skin easy to burn, should immediately rinse with a lot of warm water clean. Production handling personnel should wear work clothes, wearing masks, rubber gloves, rubber aprons, and long rubber shoes; Operation should be carried out on the head.