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A10479 Phenyl phosphorodichloridate, 97%

CAS Number
Phenyl dichlorophosphate

Stock No. Size Price ($) Quantity Availability
A10479-14 25g 23.90
A10479-22 100g 60.30
A10479-36 500g 251.00
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Phenyl phosphorodichloridate, 97%


Chemical Properties

Formula Weight
Melting point
Boiling Point
Flash Point
Refractive Index
Storage & Sensitivity
Moisture Sensitive. Store under Nitrogen. Ambient temperatures.
Immiscible with water.


Reagent for preparation of phosphate diesters.Phenyl phosphorodichloridate is used in the preparation of symmetrical phosphate diesters. It is used as a phosphorylating agent for alcohols and amines. It is also involved in the preparation of phenylphosphoro di-(1-imidazolidate) and 2-phenyl-bis-triazoloylphosphate, which is used in peptide synthesis. It plays a vital role in the Pfitzner-Moffatt oxidation which involves oxidation of alcohols to the corresponding aldehydes and ketones. Furthermore, it is utilized in Beckmann rearrangement for the preparation of N-phenylacetamide from acetophenone oxime.


Moisture sensitive. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong bases, alcohols and strong oxidizing agents.

Literature References

Reagent for the preparation of phosphate diesters. The phenyl group is removable by hydrogenolysis: J. Am. Chem. Soc., 75, 4510 (1953).

Coupling reagent, e.g. in pyridine for the preparation of derivatives of sulfinic acids with alcohols, amines, thiols etc.: Synthesis, 937 (1980). Similarly, carboxylic acids in pyridine can be coupled with thiols to give thiocarboxylic acid S-esters: Can. J. Chem., 58, 2645 (1980), and with sodium azide in the presence of a phase-transfer catalyst to give acyl azides: Synth. Commun., 13, 289 (1983).

Reacts with the Li enolates of ß-diketones, in the presence of LiCl, to give ß-chloro-ɑß-enones: Can. J. Chem., 64, 520 (1986).

In combination with NaI, cleaves dialkyl ethers to iodides in high yield: Synth. Commun., 18, 119 (1988), and 1,3-dithianes and other dithioacetals to carbonyl groups: Tetrahedron Lett., 29, 5471 (1988).

In combination with Dimethyl­ sulfoxide, A13280, effects selective oxidation of alcohols to aldehydes or ketones with less ɑ-chlorination than the more usual Swern (Oxalyl­ chloride, A18012) system: J. Org. Chem., 52, 5621 (1987). Similarly, benzylamines have been converted to benzaldehydes: Synth. Commun., 19, 3407 (1989).

For a brief feature on uses of the reagent in synthesis, see: Synlett, 1651 (2004).

Kuo, C. W.; Hsieh, M. T.; Gao, S.; Shao, Y. M.; Yao, C. F.; Shia, K. S. Beckmann Rearrangement of Ketoximes Induced by Phenyl Dichlorophosphate at Ambient Temperature. Molecules 2012, 17 (11), 13662-13672.

Nagarkar, A. A.; Crochet, A.; Fromm, K. M.; Kilbinger, A. F. Efficient amine end-functionalization of living ring-opening metathesis polymers. Macromolecules 2012, 45 (11), 4447-4453.

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H314

Harmful if swallowed. Causes severe skin burns and eye damage.

Precautionary Statements: P260-P264b-P270-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P501c

Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT induce vomiting. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

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