2-Methyl Benzoyl Chloride
o-Toluoyl chloride
CAS: 933-88-0;37808-28-9
Molecular Formula: C8H7ClO
2-Methyl Benzoyl Chloride - Names and Identifiers
| Name | o-Toluoyl chloride |
| Synonyms | Toluoylchloride o-Toluoyl chlori o-Toluoyl chloride 2-TOLUOYL CHLORIDE o-Toluic acid chloride Ortho-Toluoyl Chloride Methylbenzoyl Chloride 2-methyl-benzoylchlorid O-Methylbenzoyl Chloride 2-Methylbenzoyl Chloride O-Methyl-Benzoyl-Chloride 2-Methyl Benzoyl Chloride O-Methyl Benzoyl Chloride o-Toluoyl chloride, 2-(Chlorocarbonyl)toluene [5-nitro-1-(phenylmethyl)-2-benzimidazolyl]methanol |
| CAS | 933-88-0 37808-28-9 |
| EINECS | 213-273-8 |
| InChI | InChI=1/C8H7ClO/c1-6-4-2-3-5-7(6)8(9)10/h2-5H,1H3 |
| InChIKey | GPZXFICWCMCQPF-UHFFFAOYSA-N |
2-Methyl Benzoyl Chloride - Physico-chemical Properties
| Molecular Formula | C8H7ClO |
| Molar Mass | 154.59 |
| Density | 1.185 g/mL at 25 °C (lit.) |
| Melting Point | 159.5-160.9 °C(Solv: ligroine (8032-32-4); dichloromethane (75-09-2)) |
| Boling Point | 88-90 °C/12 mmHg (lit.) |
| Flash Point | 170°F |
| Water Solubility | Reacts with water. |
| Appearance | Liquid |
| Specific Gravity | 1.185 |
| Color | Clear pale yellow to yellow to faintly pink |
| BRN | 507933 |
| Storage Condition | Room Temperature, Under Inert Atmosphere |
| Sensitive | Moisture Sensitive |
| Refractive Index | n20/D 1.5549(lit.) |
| Physical and Chemical Properties | This product is a colorless liquid, B. p.88 ~ 90 ℃/1.6kPa,n20D 1.5485, relative density 1.173,f.p.170 ℉(76 ℃), decomposes into corresponding acid when exposed to water, and is soluble in benzene, carbon tetrachloride and ether. |
| Use | Used in medicine, pesticide, photosensitive material, dye, etc |
2-Methyl Benzoyl Chloride - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R34 - Causes burns R36/37 - Irritating to eyes and respiratory system. |
| Safety Description | S23 - Do not breathe vapour. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. 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.) S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-19-21 |
| TSCA | Yes |
| HS Code | 29163900 |
| Hazard Note | Corrosive/Moisture Sensitive |
| Hazard Class | 8 |
| Packing Group | II |
2-Methyl Benzoyl Chloride - Nature
Open Data Verified Data
The Pure product is a colorless transparent liquid. Industrial products with light yellow, with a strong pungent odor. Boiling point of 88~90 deg C. Relative density 1.185 (20 degrees C). Refractive index 5549. The flash point is 76 degrees C, easy to hydrolysis, and ammonia, ethanol also react.
Last Update：2025-06-10 22:55:16
2-Methyl Benzoyl Chloride - Preparation Method
Open Data Verified Data
with O-methyl benzoic acid as raw material production.
Last Update：2022-01-01 10:43:28
2-Methyl Benzoyl Chloride - Application
Open Data Verified Data
This product is used in the pesticide industry for the preparation of O-amides and benzenes fungicides, mihuanglong herbicide.
Last Update：2025-08-19 16:24:40
2-Methyl Benzoyl Chloride - Safety
Open Data Verified Data
- O-methyl benzoyl chloride has tear irritation, eye mucosa, skin and respiratory tract has a very strong stimulating effect. Do not touch the skin, splash into the eyes, or inhale vapors.
- It is packed in plastic-lined iron drum with a net weight of 200kg. Must be tightly sealed.
Last Update：2025-06-10 22:55:16
2-Methyl Benzoyl Chloride - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | O-methyl benzoyl chloride is a fungicide to kill Rust Amine, phenoxy Ester, the intermediate of trifloxystrobin and the herbicide bensulfuron-methyl. It is used in organic synthesis of medicines, pesticides, photosensitive materials, dyes, etc. In the pesticide industry for the preparation of O-amides and benzenes fungicides, mihuanglong herbicide. used in pharmaceuticals, pesticides, photosensitive materials and dye intermediates |
| production method | O-Toluic acid as raw material production. The preparation method is to add the O-Toluic acid and the catalyst to the reaction kettle, heat it with steam to melt it, keep the temperature at 125 ℃, pass phosgene to react for 18h, sample and analyze whether the reaction is complete, the phosgene supply was stopped and the nitrogen supply was changed, and the heat preservation was continued for 0.5h. After cooling, the crude reaction product was obtained. O-methyl benzoyl chloride can also be obtained by using thionyl chloride, phosphorus oxychloride and the like as an acid chlorinating agent. |
Last Update：2024-04-09 02:00:12
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View History
2-Methyl Benzoyl Chloride
86672-58-4
BRN 1790197
Piracetam Imp. B
SULFURIC ACID MAGNESIUM SALT HYDRATE
2644-71-5
86672-58-4
BRN 1790197
Piracetam Imp. B
SULFURIC ACID MAGNESIUM SALT HYDRATE
2644-71-5