Phenylphosphonic dichloride Chemical Properties

Melting point:

3 °C(lit.)

Boiling point:

258 °C(lit.)

Density 

1.375 g/mL at 25 °C(lit.)

vapor pressure 

2.36Pa at 25℃

refractive index 

n20/D 1.559(lit.)

Flash point:

>230 °F

storage temp. 

Store below +30°C.

solubility 

Miscible with benzene, chloroform, dimethyl sulfoxide and carbon tetrachloride.

form 

Liquid

color 

Clear yellow to brown

Specific Gravity

1.394 (25℃)

Water Solubility 

reacts

Sensitive 

Moisture Sensitive

λmax

267nm(Cyclohexane)(lit.)

BRN 

1072240

Dielectric constant

26.0

InChIKey

IBDMRHDXAQZJAP-UHFFFAOYSA-N

LogP

1.089 at 20℃

CAS DataBase Reference

824-72-6(CAS DataBase Reference)

NIST Chemistry Reference

Phosphonic dichloride, phenyl-(824-72-6)

EPA Substance Registry System

Phosphonic dichloride, P-phenyl- (824-72-6)

Safety Information

Hazard Codes 

C

Risk Statements 

14-34-37

Safety Statements 

26-45-8-36/37/39

RIDADR 

UN 3265 8/PG 2

WGK Germany 

3

TSCA 

Yes

HazardClass 

8

PackingGroup 

II

HS Code 

29310095

Toxicity

LD50 orally in Rabbit: 681 mg/kg

MSDS

• Language:English Provider:Benzene phosphorous oxydichloride
• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

Phenylphosphonic dichloride Usage And Synthesis

Chemical Properties

Colorless to light yellow liqui

Uses

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.

Synthesis Reference(s)

Tetrahedron Letters, 33, p. 7473, 1992 DOI: 10.1016/S0040-4039(00)60798-0

Purification Methods

Fractionally distil it using a very efficient or a spinning band column. [Lecher et al. J Am Chem Soc 76 1045 1954, NMR: Müller et al. J Am Chem Soc 78 3557 1956, Van Wazer et al. J Am Chem Soc 78 5715 1956, IR: Daasch & Smith Anal Chem 23 853 1951, Beilstein 16 IV 1074.]

Phenylphosphonic dichloride(824-72-6)Related Product Information

• 3,5-Dichlorobenzoic acid
• 1,5-Diphenylcarbazide
• Ethylbenzene
• Triphenylphosphine oxide
• Benzene
• 2',4'-Dichloroacetophenone
• Allylbenzene
• Zinc oxide
• DICHLOROTRIPHENYLPHOSPHORANE
• Tetrakis(triphenylphosphine)palladium
• alpha,alpha'-Dichloro-p-xylene
• Iron oxide black
• Magnesium oxide
• Dichloroacetonitrile
• Boron oxide
• ETHYLENE OXIDE
• Rutile
• Cobalt chloride