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Phosphorus Oxychloride (POCl3)

Phosphorus Oxychloride (POCl3)

CAS Number: 10025-87-3

Molecular Formula: Cl3OP

Vilsmeier ReagentAPI Chlorinating AgentNucleoside PhosphorylationAmide DehydrationHeterocyclic Building BlocksBulk Phosphorus HalidesElectrophilic SubstitutionAcid Chloride SynthesisP-CI Bond Reactivity

About Phosphorus Oxychloride (POCl3)

Phosphorus Oxychloride (CAS 10025-87-3) is a colorless, fuming liquid with the molecular formula POCl₃ and a molecular weight of 153.33 g/mol. It functions as both a chlorinating agent and a phosphorylating agent, making it one of the most versatile phosphorus-based reagents in industrial chemistry. The compound has a ...

Synonyms

  • Fosforylklorid
  • Phosphoric chloride
  • trichlorophosphate
  • Phosphorus chloride
  • Phosphoryltrichlorid
View all

Phosphorus Oxychloride (POCl3) Specifications

CAS Number
10025-87-3
Molecular Formula
Cl3OP
IUPAC Name
phosphoryl trichloride
Canonical SMILES
O=P(Cl)(Cl)Cl
InChI Key
QHFXKUNNBKQXHF-UHFFFAOYSA-N
InChI
1S/Cl3OP/c1-5(2)4
PubChem CID
24813
EINECS Number
233-046-7
MDL Number
MFCD00011399
UNSPSC Code
12352300MFCD00011399
eClass
38-10-02-05
NACRES
NA.22
HSN No
28092010
Appearance
Colorless to pale yellow fuming liquid
Odor
Pungent
Boiling Point
105.8 °C
Melting Point
1.25 °C
Density
1.675 g/cm³ (at 20°C)
Solubility
Reacts violently with water
Shelf Life
1 year (sealed container)
GHS Classification
Acute Toxicity: Category 3 & Corrosive: Category 1B
Hazard Statements Code
H301,H314, H335
Precautionary Statements
P260, P280, P303+P361+P353

Flame Retardants

Intermediate in production of flame-retardant chemicals

Pharmaceuticals

Producing phosphate-based drug intermediates. Reagent in drug synthesis.

Agrochemicals

Precursor for organophosphorus pesticides and herbicides

Plasticizers

Key raw material for plasticizer synthesis

Semiconductors

A dopant source in silicon wafer manufacturing

Chemical Intermediate

Production of phosphate esters used as flame retardants (e.g., triphenyl phosphate) and plasticizers

Temperature

Store at ambient temperature

Environment

Keep away from moisture, well-ventilated area

Protection

Use sealed, corrosion-resistant containers

Packaging Options

250 kg drums, IBC tanks

COA
Download
MSDS
Download
  1. Fosforylklorid
  2. Phosphoric chloride
  3. trichlorophosphate
  4. Phosphorus chloride
  5. Phosphoryltrichlorid

Phosphorus Oxychloride (POCl3) FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

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