A6886612
Phenylphosphonic Dichloride , 98% , 824-72-6
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
Update time: 2022-07-08
PRODUCT 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 | 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 |
| InChIKey | IBDMRHDXAQZJAP-UHFFFAOYSA-N |
| LogP | 1.089 at 20℃ |
Description and 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.
Safety
| Symbol(GHS) |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302-H314-H335 |
| Precautionary statements | P261-P270-P280-P301+P312-P303+P361+P353-P305+P351+P338 |
| 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 |
