| Name | o-Phthaloyl dichloride |
| Synonyms | Phthalic chloride Phthaloyl chloride Phthalic dichloride o-Phtaloyl chloride Phthalyl dichloride benzenedioylchloride O-Pathaloyl Dichloride o-Phthaloyl dichloride ortho-Phthaloyl chloride o-Phthalic acid dichloride 1,2-Bis(chlorocarbonyl)benzene 1,2-Benzenedicarbonyl dichloride benzene-1,2-dicarbonyl dichloride Benzene-1,2-dicarbonyl chloride~Phthaloyl dichloride |
| CAS | 88-95-9 |
| EINECS | 201-869-0 |
| InChI | InChI=1/C8H4Cl2O2/c9-7(11)5-3-1-2-4-6(5)8(10)12/h1-4H |
| Molecular Formula | C8H4Cl2O2 |
| Molar Mass | 203.02 |
| Density | 1.409g/mLat 25°C(lit.) |
| Melting Point | 6-12°C(lit.) |
| Boling Point | 269-271°C(lit.) |
| Flash Point | >230°F |
| Water Solubility | decomposes |
| Solubility | Miscible with ether. |
| Vapor Presure | 30 mm Hg ( 47 °C) |
| Appearance | Liquid |
| Color | Clear yellow |
| Merck | 14,7375 |
| BRN | 608200 |
| Storage Condition | Store below +30°C. |
| Sensitive | Moisture Sensitive |
| Refractive Index | n20/D 1.568(lit.) |
| Physical and Chemical Properties | Colorless oily liquid. Melting point 15-16 ℃, boiling point 280-282 ℃, relative density 1.409(20 ℃), refractive index (nD20)1.5692. Water, alcohol decomposition, soluble in ether, chloroform, benzene. |
| Hazard Symbols | C - Corrosive![]() |
| Risk Codes | 34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 21 |
| TSCA | Yes |
| HS Code | 29173980 |
| Hazard Class | 8 |
| Packing Group | II |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | organic synthesis intermediates. |
| production method | mixing 148g of phthalic anhydride with G of phosphorus pentachloride, heating, and gradually raising the temperature to 250 ° C, the reaction product was distilled under reduced pressure, and a fraction of 131-133 °c (1.2-1.33kPa) was collected to obtain 187g of phthalic chloride. |