Phenylphosphonic dichloride
Synonym(s):Dichlorophenylphosphine oxide;Phenylphosphonyl dichloride;Phenylphosphoryl dichloride;P,P-Dichlorophenylphosphine oxide;Benzenephosphonic dichloride
- CAS NO.：824-72-6
- Empirical Formula: C6H5Cl2OP
- Molecular Weight: 194.98
- MDL number: MFCD00002070
- EINECS: 212-534-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:52
What is Phenylphosphonic dichloride?
Chemical properties
Colorless to light yellow liqui
The Uses of Phenylphosphonic dichloride
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.
What are the applications of Application
Phenylphosphonic dichloride is a 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.]
Properties of Phenylphosphonic dichloride
| 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 | n |
| Flash point: | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | Miscible with benzene, chloroform, dimethyl sulfoxide and carbon tetrachloride. |
| form | Liquid |
| Specific Gravity | 1.394 (25℃) |
| color | Clear yellow to brown |
| Water Solubility | reacts |
| Sensitive | Moisture Sensitive |
| λmax | 267nm(Cyclohexane)(lit.) |
| BRN | 1072240 |
| Dielectric constant | 26.0 |
| 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 for Phenylphosphonic dichloride
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H314:Skin corrosion/irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Phenylphosphonic dichloride
| InChIKey | IBDMRHDXAQZJAP-UHFFFAOYSA-N |
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