PCOC
4-Chlorobenzoyl chloride
CAS: 122-01-0
Molecular Formula: C7H4Cl2O
PCOC - Names and Identifiers
PCOC - Physico-chemical Properties
| Molecular Formula | C7H4Cl2O |
| Molar Mass | 175.01 |
| Density | 1.365 g/mL at 20 °C (lit.) |
| Melting Point | 11-14 °C (lit.) |
| Boling Point | 102-104 °C/11 mmHg (lit.) |
| Flash Point | 221°F |
| Water Solubility | Reacts with water. Reacts with alcohol. |
| Vapor Presure | 5.8-73.9Pa at 20-50℃ |
| Appearance | Liquid |
| Color | Clear colorless to faintly colored |
| BRN | 471606 |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Moisture sensitive. Incompatible with strong oxidizing agents. |
| Sensitive | Moisture Sensitive |
| Explosive Limit | 1.5-15%(V) |
| Refractive Index | n20/D 1.578(lit.) |
| Physical and Chemical Properties | Character: colorless liquid. boiling point 222 ℃ freezing point 12~14 ℃ relative density 1.374~1.376 refractive index 1.5780 soluble in ethanol, ether and acetone, insoluble in water. |
| Use | Used as an intermediate in organic synthesis, and also used in the pharmaceutical industry |
PCOC - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R34 - Causes burns R36/37 - Irritating to eyes and respiratory system. |
| 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.) S28A - |
| UN IDs | UN 3265 8/PG 2 |
| WGK Germany | 1 |
| RTECS | DM6635510 |
| FLUKA BRAND F CODES | 10-19-21 |
| TSCA | Yes |
| HS Code | 29163900 |
| Hazard Class | 8 |
| Packing Group | II |
PCOC - Upstream Downstream Industry
| Downstream Products | 4-Chloro-4'-hydroxybenzophenone 4-Chlorobenzophenone 4,4'-Dichlorobenzophenone fenofibrate |
PCOC - Reference Information
| freezing point | 12~14 ℃ |
| LogP | 2.52 at 25℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Uses | Used as an intermediate in organic synthesis and also used in the pharmaceutical industry p-chlorobenzoyl chloride is an intermediate for the preparation of fluorothrin. p-chlorobenzoyl chloride is an intermediate of the fungicide dimethomorph, the rodenticide chloramine ether, the rodenticide, and the insecticide fluorothrin. An intermediate of dyes and drugs, used to produce indomethacin and non-Nobel. 4-Chlorobenzoyl chloride is used as an accelerator for the synthesis of α-aminonitrile. It is also used as a derivatization agent and self-assembling dipole molecules to improve hole injection in conjugated polymers. In addition. It is an important organic intermediate for the synthesis of substituted 4-chlorobenzoyl products. |
| production method | obtained by the reaction of p-chlorobenzoic acid and thionyl chloride: slowly add thionyl chloride to p-chlorobenzoic acid, heat reflux, and react at 75-85 ℃ for 3-4h. Then steam out the crude product of thionyl chloride. Finally, fractionation collects the fraction at about 220 ℃, and then decolorates to obtain the finished product. the preparation method is to slowly add thionyl chloride into p-chlorobenzoic acid, heat reflux, react at 75~85 ℃ for 3~5h, then evaporate the remaining thionyl chloride to obtain crude product, and finally fractionate to obtain the finished product. the preparation method is to slowly add thionyl chloride into p-chlorobenzoic acid, heat reflux, react at 75~85 ℃ for 2~3h, then evaporate excess thionyl chloride to obtain crude product, and then distill and collect the fraction at 220~222 ℃ as p-chlorobenzoyl chloride. |
Last Update：2024-04-10 22:29:15
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