• Used in the manufacture of organophosphorus compounds and also used as reagents. It is mainly used as the raw material for the manufacture of trichlorfon, methamidophos, acephate and rice fenjing and other organophosphorus pesticides. It is used in the pharmaceutical industry to produce sulfadiazine (S.D) and sulfadiazine (S.M.D). Condensing agent for naphthols in dye industry. catalyst.
●2) Product attributes
Appearance and properties: colorless and clear fuming liquid.
Odor: It has a special pungent odor.
pH value: It will decompose with water and show strong acidity.
Melting point/freezing point (℃): -111.8
Boiling point, initial boiling point and boiling range (℃)): 74.2
Critical temperature (℃): 286
Relative vapor density (air=1): 4.57
Relative density (water = 1): 1.57
Heat of combustion (KJ/mol): meaningless.
Saturated vapor pressure (kPa)): 13.33 (21℃)
●3) Safety instructions
• Yarong Technology has been committed to ensuring the health and safety of customers and employees. Avoid inhaling steam and mist. If you directly contact your eyes or skin, rinse immediately with plenty of water and seek medical advice. If you accidentally ingest it, rinse immediately with water Mouth and seek medical advice. In any case, please wear suitable protective clothing and carefully refer to the product safety data sheet before using this product.
●4) Handling and transportation instructions
•Packing method: use clean and dry plastic drums, iron drums, tankers and other suitable containers. When plastic drums are used for packaging, the lid should be airtight; when iron drums are used, the drums should be sealed with screw caps, gaskets, etc. The package should be well-sealed and comply with relevant regulations.
•Transportation precautions: transportation vehicles should have dangerous goods transportation signs and install satellite positioning devices with driving record functions. Without the approval of the public security organs, transport vehicles shall not enter the restricted areas of hazardous chemical transport vehicles. During transportation, ensure that the container does not leak, collapse, fall, or be damaged. It is strictly prohibited to mix and transport with strong oxidants, strong bases, acids, water, alcohols, sodium, potassium, metal oxides, food and food additives. Transport vehicles should be equipped with leakage emergency treatment equipment during transportation. It is not suitable for transportation on rainy days. It should be lightly loaded and unloaded to prevent impact and packaging damage, and take measures to prevent rain, snow and sun. When transporting by road, follow the prescribed route and do not stop in residential areas and densely populated areas.
Properties
Summary
Phosphorus trichloride is used as semiconductor dopant and as raw material for preparing high-purity phosphorus. It is mainly used as raw materials for the manufacture of trichlorfon, dichlorvos, methamidophos, acephate, phosphorus oxychloride, phosphite, triphenyl phosphate and triphenyl phosphate. It is also used as pharmaceutical intermediates, dye condensing agents, chlorinating agents and catalysts for the production of spices.
CAS No.
7719-12-2
Formula
PCl3
Molecular Mass
137.33300
Exact Mass
135.88000
PSA
13.59000
Logp
2.92970
IUPAC
trichlorophosphane
Attribute classification
Matter Classification
inorganic
Category
Chemical and Physical Properties
Melting Point
-112 °C
Density
1.574 g/mL at 25 °C
Boiling Point
74-78 °C
Flash Point
76°C
Appearance
colorless or slightly yellow fuming liquid with a pungent and irritating odor