Benzoyl chloride, o-chloro-
2-Chlorobenzoyl chloride
CAS: 609-65-4
Molecular Formula: C7H4Cl2O
Benzoyl chloride, o-chloro- - Names and Identifiers
| Name | 2-Chlorobenzoyl chloride |
| Synonyms | OCOC o-ChL orobenzoyL o-Chlorobenzoylchlor o-Chlorobenzoylchlorid o-chlorophenyl chloride 2-chloro-benzoylchlorid O-Chlorobenzoyl Chloride 2-Chlorobenzoyl chloride o-p-chlorobenzoyl chloride Benzoyl chloride, o-chloro- o-Chlorophenylacetyl chloride |
| CAS | 609-65-4 |
| EINECS | 210-194-0 |
| InChI | InChI=1/C7H4Cl2O/c8-6-4-2-1-3-5(6)7(9)10/h1-4H |
Benzoyl chloride, o-chloro- - Physico-chemical Properties
| Molecular Formula | C7H4Cl2O |
| Molar Mass | 175.01 |
| Density | 1.382 g/mL at 25 °C (lit.) |
| Melting Point | -4--3 °C (lit.) |
| Boling Point | 238 °C (lit.) |
| Flash Point | >230°F |
| Water Solubility | Soluble in acetone, ether, and alcohol. Solubility in water it decomposes. |
| Vapor Presure | 0.1 hPa (20 °C) |
| Appearance | Liquid |
| Color | Clear colorless to very slightly yellow |
| BRN | 386435 |
| Storage Condition | Store below +30°C. |
| Sensitive | Moisture Sensitive |
| Explosive Limit | 1.5-9.4%(V) |
| Refractive Index | n20/D 1.572(lit.) |
| Physical and Chemical Properties | O-chlorobenzoyl chloride is a yellow liquid, M.P. -4 ~-3 ℃, B. p.238 ℃,n20D 1.5718, relative density 1.382, soluble in organic solvents, water decomposition. |
| Use | Mainly used for the preparation of intermediates such as clotrimazole and O-chlorobenzoic acid and three chlorine acaricide production |
Benzoyl chloride, o-chloro- - Risk and Safety
| 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.) S28A - |
| UN IDs | UN 3265 8/PG 2 |
| WGK Germany | 1 |
| FLUKA BRAND F CODES | 19-21 |
| TSCA | Yes |
| HS Code | 29163900 |
| Hazard Note | Corrosive/Moisture Sensitive |
| Hazard Class | 8 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: 3250 mg/kg |
Benzoyl chloride, o-chloro- - Upstream Downstream Industry
| Downstream Products | clotrimazole crystalline triazolam 100 ug per ml in methanol Clonazepam |
Benzoyl chloride, o-chloro- - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | O-chlorobenzoyl chloride is an intermediate of benzoylurea insecticides, scabbolluron and methylene urea, and it is also the acaricide tetracarazine and The intermediate of the fungicide fluphenicol. It is mainly used for the preparation of clotrimazole and other intermediates and o-chlorobenzoic acid and the production of trichloroacaricide It is used as an intermediate in organic synthesis medicine and dye intermediates. It is used for the production of general anesthetic ketamine hydrochloride and non-anesthetic antitussive drugs. It is an important intermediate in the production of pesticides, (it is an intermediate of benzoylurea insecticides, bolluron and diuret, and it is also the acaricide tetracarazine and the fungicide fluphenicol Intermediate). Organic synthesis. Manufacture of drugs and dyes |
| production method | obtained by the reaction of o-chlorobenzoic acid and thionyl chloride: o-chlorobenzoic acid and thionyl chloride are stirred, heated and dissolved, heated and refluxed for 0.5h. Then steam the amount of thionyl chloride, then carry out atmospheric distillation, collect 220-230 ℃ fractions to obtain crude products, and finally reduce pressure distillation to obtain the finished product. The yield is 85%-90%. the preparation method can be obtained by direct hydrolysis of α,α,α, 2-tetrachlorotoluene or by acyl chlorination with o-chlorobenzoic acid and acyl chlorinating agents SOCl2, PCl3, etc. |
| spontaneous combustion temperature | 600°C |
Last Update：2024-04-09 02:00:05
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View History
Benzoyl chloride, o-chloro-
己二酸丁酯
MBTFA
bismuth violet
5-Pyrimidinecarboxaldehyde, 4-amino-2-methyl- (6CI,7CI,8CI,9CI)
Methanesulfonyl chloride
TIMTEC-BB SBB008997
Resorcinol, 4,6-dichloro-
2-Cyanomethyl-5-trifluoromethylpyridine
Tetrahydroxythorium(IV)
己二酸丁酯
MBTFA
bismuth violet
5-Pyrimidinecarboxaldehyde, 4-amino-2-methyl- (6CI,7CI,8CI,9CI)
Methanesulfonyl chloride
TIMTEC-BB SBB008997
Resorcinol, 4,6-dichloro-
2-Cyanomethyl-5-trifluoromethylpyridine
Tetrahydroxythorium(IV)
Downstream Products for Benzoyl chloride, o-chloro-