Phenylphosphonic dichloride
Phenylphosphonic dichloride
CAS: 824-72-6
Molecular Formula: C6H5Cl2OP
Phenylphosphonic dichloride - Names and Identifiers
| Name | Phenylphosphonic dichloride |
| Synonyms | BPOD AURORA KA-1395 phenyl-phosphonicdichlorid Benzenephosphonyl chloride Phenylphosphonic dichloride BENZENEPHOSPHONIC DICHLORIDE Phenyldichlorophosphine oxide Dichlorophenylphosphine oxide Benzene phosphorus oxychloride Benzenephosphonicaciddichloride BENZENE PHOSPHORUS OXYDICHLORIDE Benzene phosphorous oxydichloride P,P-Dichlorophenylphosphine oxide |
| CAS | 824-72-6 |
| EINECS | 212-534-3 |
| InChI | InChI=1/C6H5Cl2OP/c7-10(8,9)6-4-2-1-3-5-6/h1-5H |
| InChIKey | IBDMRHDXAQZJAP-UHFFFAOYSA-N |
Phenylphosphonic dichloride - Physico-chemical Properties
| Molecular Formula | C6H5Cl2OP |
| Molar Mass | 194.98 |
| Density | 1.375g/mLat 25°C(lit.) |
| Melting Point | 3°C(lit.) |
| Boling Point | 258°C(lit.) |
| Flash Point | >230°F |
| Water Solubility | reacts |
| Solubility | Miscible with benzene, chloroform, dimethyl sulfoxide and carbon tetrachloride. |
| Vapor Presure | 2.36Pa at 25℃ |
| Appearance | Liquid |
| Specific Gravity | 1.394 (25℃) |
| Color | Clear yellow to brown |
| Maximum wavelength(λmax) | ['267nm(Cyclohexane)(lit.)'] |
| BRN | 1072240 |
| Storage Condition | Store below +30°C. |
| Sensitive | Moisture Sensitive |
| Refractive Index | n20/D 1.559(lit.) |
| Physical and Chemical Properties | Colorless liquid. Melting point of 3 deg C, boiling point of 258 deg C, 138 deg C (2kPa), the relative density (20/4 deg C) 1.399, refractive index (nD25)1.5585. Dissolved in benzene, chloroform and carbon tetrachloride, decomposition in water or hot alcohol. |
Phenylphosphonic dichloride - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R14 - Reacts violently with water R34 - Causes burns R37 - Irritating to the respiratory system |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S8 - Keep container dry. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29310095 |
| Hazard Class | 8 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: 681 mg/kg |
Phenylphosphonic dichloride - Reference Information
| LogP | 1.089 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | for the production of phenylphosphonic acid and dimethyl phenylphosphonate. The product is subjected to dehydrochlorination condensation with hydroquinone to form a flame-retardant phosphorus-containing polymer and used as a heat stabilizer for polyesters. The product is reacted with octanol in the presence of pyridine to form octyl phenylphosphonate, which can be used as a low volatility plasticizer. as an intermediate in pesticides and pharmaceuticals |
| production method | is obtained from the oxidation of phenylthio phosphorus dichloride. |
Last Update：2024-04-10 22:29:15
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