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824-72-6 - Phenylphosphonic dichloride, 90+% - P,P-Dichlorophenylphosphine oxide - A13777 - Alfa Aesar

A13777 Phenylphosphonic dichloride, 90+%

CAS Number
824-72-6
Synonyms
P,P-Dichlorophenylphosphine oxide

Size Price ($) Quantity Availability
50g 27.50
250g 110.70
1000g 360.00
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Phenylphosphonic dichloride, 90+%

MDL
MFCD00002070
EINECS
212-534-3

Chemical Properties

Formula
C6H5Cl2OP
Formula Weight
194.99
Melting point
1-3°
Boiling Point
258°
Flash Point
204°(399°F)
Density
1.379
Refractive Index
1.5600
Sensitivity
Moisture Sensitive
Solubility
Miscible with benzene, chloroform, dimethyl sulfoxide and carbon tetrachloride.

Applications

Phenylphosphonic dichloride is used in the preparation of 2-phenyl-[1,3,2]dioxaphosphepane-2-oxide. Further, it acts as an effective reagent for the chlorinative dehydration of some heterocycles.

Notes

Moisture sensitive. Store in a cool place. Incompatible with strong oxidizing agents, strong bases and water.

Literature References

Effective reagent for the chlorinative dehydration of some heterocycles, in cases where conventional reagents such as POCl3 or P2O5 fail; see, e.g.: J. Med. Chem., 14, 339 (1971):

Kızılkaya, C.; Biçen, M.; Karataş, S.; Güngör, A. Thermal, mechanical and structural investigation of copolyimide-silica hybrids containing phosphine oxide. Prog. Org. Coat. 2015, 86, 108-116.

Liang, B.; Hong, X.; Zhu, M.; Gao, C.; Wang, C.; Tsubaki, N. Synthesis of novel intumescent flame retardant containing phosphorus, nitrogen and boron and its application in polyethylene. Polym. Bull. 2015, 72 (11), 2967-2978.

GHS Hazard and Precautionary Statements

Hazard Statements: H314-H318-H302

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

Precautionary Statements: P260-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P301+P312-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. 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 IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Call a POISON CENTER or doctor/physician if you feel unwell. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
1072240
Hazard Class
8
Packing Group
II
Harmonized Tariff Code
2931.90
TSCA
Yes

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