Molekula

Phosphorus pentachloride

SKU 90005181 CAS 10026-13-8 PCl5 MW 208.24 Available on enquiry

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ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

Phosphorus pentachloride (PCl5) is a highly reactive inorganic compound used as a chlorinating agent in organic synthesis, pharmaceuticals, and pesticide production. It converts hydroxyl (OH) and carboxyl (COOH) groups into their corresponding chlorides, enabling key transformations in chemical manufacturing. CAS 10026-13-8, molecular formula PCl5, molecular weight 208.24 g/mol. Store at ambient temperature in a dry, well-ventilated area, away from moisture and incompatible materials. Signal word: Danger (corrosive, toxic if inhaled or in contact with skin). Molekula supplies phosphorus pentachloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU: 90005181
CAS Number: 10026-13-8
IUPAC Name: pentachloro-lambda5-phosphane
EC Number: 233-060-3
Molecular Formula: PCl5
Molecular Weight: 208.24
Exact Mass: 207.8151
SMILES: P(Cl)(Cl)(Cl)(Cl)Cl
InChIKey: UHZYTMXLRWXGPK-UHFFFAOYSA-N
InChI: InChI=1S/Cl5P/c1-6(2,3,4)5
PubChem CID: 24819

Synonyms

Fosforpentachloride
PCl5
Pentachlorophosphorane
Phosphorane, pentachloro-
Phosphoric chloride
Phosphoric perchloride
Phosphorous pentachloride
Phosphorpentachlorid
Phosphorus perchloride
Phosphorus(V) chloride

Literature values

Published physical properties of the substance, not batch specifications.

Appearance: Tetragonal crystals
Odour: Pungent, unpleasant odor
Melting Point: 160.5 °C (freezing point)
Boiling Point: 159 °C (sublimes)
Density: 1.6 (relative, water = 1)
Solubility (other solvents): Reacts with water; soluble in carbon disulfide, carbon tetrachloride
Vapour Pressure: 133 Pa at 55.5 °C

Source: PubChem CID 24819 (HSDB, ICSC)

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Frequently asked questions

What is phosphorus pentachloride (PCl₅) commonly used for?

Phosphorus pentachloride is primarily used as a chlorinating agent in organic synthesis, for converting carboxylic acids to acid chlorides, and in the production of pharmaceuticals, dyes, and pesticides.

What is the molecular formula and molecular weight of phosphorus pentachloride?

The molecular formula is **PCl₅**, and the molecular weight is **208.24 g/mol**.

What safety classification does phosphorus pentachloride have, and how should it be handled?

Phosphorus pentachloride is classified with the **Signal Word: Danger** due to its corrosive and reactive nature—handle with proper PPE, ventilation, and avoid contact with moisture or water.

What grades of phosphorus pentachloride does Molekula supply?

Molekula supplies **technical-grade phosphorus pentachloride** for industrial and laboratory applications, meeting standard purity requirements for chlorination reactions.

Can Molekula supply phosphorus pentachloride in bulk quantities?

Yes, Molekula can provide phosphorus pentachloride in bulk, with quantities tailored to meet your production or research needs—contact our sales team for specific pricing and logistics.

What documentation comes with an order of phosphorus pentachloride?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a packing list detailing batch-specific purity and compliance with regulatory standards.

Related products

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.