| Formula / Notation | POCl3 |
|---|---|
| CAS Number | 10025-87-3 |
| Molecular Weight | 153.33 |
| Melting Point | 34.2 °F (EPA, 1998) |
| Boiling Point | 223 °F at 760 mmHg (EPA, 1998) |
| Density | 1.645 at 77 °F (EPA, 1998) - Denser than water; will sink |
| Solubility | Decomposes (NIOSH, 2024) |
| Appearance | Phosphorus oxychloride appears as a colorless fuming liquid with a pungent odor. Density 14.0 lb / gal. Very toxic by inhalation and corrosive to metals and tissue. Used in gasoline additives and h... |
| Also Known As | phosphoryl trichloride; Phosphoryl chloride; 10025-87-3; Phosphoryl trichloride; Phosphoric trichloride; Phosphorous oxychloride; Trichlorophosphine oxide; Phosphorus oxytrichloride; Phosphoroxychloride; Fosforoxychlorid |
| Category | Laboratory Reagents |
What is Phosphorus oxychloride?
Phosphorus oxychloride (POCl3) is a laboratory reagent that appears as Phosphorus oxychloride appears as a colorless fuming liquid with a pungent odor. Density 14.0 lb / gal. Very toxic by inhalation and corrosive to metals and tissue. Used in gasoline additives and h.... It has a molecular weight of 153.33 g/mol. Its IUPAC name is phosphoryl trichloride. Boiling point: 223 °F at 760 mmHg (EPA, 1998). Melting point: 34.2 °F (EPA, 1998).
Formula & Notation
IUPAC Name: phosphoryl trichloride
Other Names / Synonyms: phosphoryl trichloride; Phosphoryl chloride; 10025-87-3; Phosphoryl trichloride; Phosphoric trichloride; Phosphorous oxychloride; Trichlorophosphine oxide; Phosphorus oxytrichloride; Phosphoroxychloride; Fosforoxychlorid
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 34.2 °F (EPA, 1998) |
| Boiling Point | 223 °F at 760 mmHg (EPA, 1998) |
| Density | 1.645 at 77 °F (EPA, 1998) - Denser than water; will sink |
| Molecular Weight | 153.33 |
| Solubility | Decomposes (NIOSH, 2024) |
| Appearance | Phosphorus oxychloride appears as a colorless fuming liquid with a pungent odor. Density 14.0 lb / gal. Very toxic by inhalation and corrosive to metals and tissue. Used in gasoline additives and h... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Phosphorus oxychloride (POCl3) is a laboratory reagent that appears as Phosphorus oxychloride appears as a colorless fuming liquid with a pungent odor. Density 14.0 lb / gal. Very toxic by inhalation and corrosive to metals and tissue. Used in gasoline additives and h.... It has a molecular weight of 153.33 g/mol. Its IUPAC name is phosphoryl trichloride. Boiling point: 223 °F at 760 mmHg (EPA, 1998). Melting point: 34.2 °F (EPA, 1998).
Used as a synthetic reagent for transformations including oxidation, reduction, coupling, or functional group manipulation.
Hazardous reagent. May be toxic, corrosive, flammable, or reactive. Use in fume hood with full PPE. Consult SDS before use.
The formula or notation for Phosphorus oxychloride is: POCl3