3-Chlorotoluene
3-Chlorotoluene
CAS: 108-41-8
Molecular Formula: C7H7Cl
3-Chlorotoluene - Names and Identifiers
| Name | 3-Chlorotoluene |
| Synonyms | MCT 3-Chlorotoluene 3-CHLOROTOLUENE M-CHLOROTOLUENE m-tolyl chloride M-chloro toluene CHLOROTOLUENE (3-) META CHLORO TOLUENE 1-chloro-3-methylbenzene 1-CHLORO-3-METHYLBENZENE 3-CHLORO-1-METHYLBENZENE 1-chloro-3-methyl-benzen |
| CAS | 108-41-8 |
| EINECS | 203-580-5 |
| InChI | InChI=1/C7H7Cl/c1-6-3-2-4-7(8)5-6/h2-5H,1H3 |
3-Chlorotoluene - Physico-chemical Properties
| Molecular Formula | C7H7Cl |
| Molar Mass | 126.58 |
| Density | 1.072 g/mL at 25 °C (lit.) |
| Melting Point | -48 °C (lit.) |
| Boling Point | 160-162 °C (lit.) |
| Flash Point | 123°F |
| Water Solubility | slightly soluble |
| Solubility | 0.04g/l |
| Vapor Presure | 3.6 mbar @ 20 C |
| Appearance | Liquid |
| Color | Clear colorless to slightly yellow |
| Merck | 14,2171 |
| BRN | 1903632 |
| Storage Condition | 0-6°C |
| Stability | Stable. Flammable. Incompatible with strong oxidizing agents. |
| Explosive Limit | 1.3-8.3%(V) |
| Refractive Index | n20/D 1.522(lit.) |
| Physical and Chemical Properties | Character: colorless liquid. melting point -48 ℃ boiling point 161.2 ℃ relative density 1.0722 refractive index 1.5214 flash point 50 ℃ solubility insoluble in water, soluble in benzene, ethanol, ether and chloroform. |
| Use | Used as a pharmaceutical Intermediate |
3-Chlorotoluene - Risk and Safety
| Risk Codes | R20 - Harmful by inhalation R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 2238 3/PG 3 |
| WGK Germany | 2 |
| RTECS | XS8990000 |
| TSCA | Yes |
| HS Code | 29039990 |
| Hazard Class | 3 |
| Packing Group | III |
3-Chlorotoluene - Nature
Open Data Verified Data
colorless liquid, boiling point 161.2 °c. Melting Point -48 °c. The relative density was 1. 0722. Flash point 50 °c. Ignition point> 500 °c. Refractive index 5214. The vapor pressure was 1333 (43.2 °c). Insoluble in water, soluble in benzene, ethanol, ether and chloroform.
Last Update：2025-06-10 22:55:16
3-Chlorotoluene - Preparation Method
Open Data Verified Data
with M-aminotoluene as raw material, by diazotization, chlorine obtained. M-toluidine was added to water, and concentrated hydrochloric acid and an aqueous solution of sodium nitrite were added for diazotization reaction. Then, diazo liquid was added to cuprous chloride for chlorination reaction, and the product was obtained by distillation.
Last Update：2022-01-01 10:40:58
3-Chlorotoluene - Application
Open Data Verified Data
organic synthesis intermediates, solvent.
Last Update：2025-08-19 16:24:40
3-Chlorotoluene - Safety
Open Data Verified Data
- This product is toxic, rat LD50 3600mg/kg. The operating site should be well ventilated, the equipment should be sealed, and the operator should wear protective equipment.
- This product can be burned in case of open flame, should be stored in a cool, ventilated warehouse, away from the fire, heat source, and the oxidant is stored separately, light and light when handling, keep the package intact.
Last Update：2022-01-01 10:40:59
3-Chlorotoluene - 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) |
| Application | It is an important organic intermediate, which is widely used in pharmaceutical and pesticide industries, it is also a good organic solvent. P-chlorotoluene is an important fine chemical raw material, and p-chlorotoluene with a purity of more than 95% is used to synthesize pesticides with high efficiency, low toxicity and broad spectrum, such as carbendazim, etc. The market demand is strong. |
| toxicity | respiratory or skin allergy: may be harmful by skin absorption, may cause skin irritation. None of the components in this product at levels greater than or equal to 0.1% were identified by IARC as a possible or positive human carcinogen. |
| Use | used as a pharmaceutical intermediate used in organic synthesis, solvent. |
| production method | is obtained by diazotization and substitution of M-aminotoluene. M-aminotoluene was added to water, concentrated hydrochloric acid was slowly added, and sodium nitrite solution was added dropwise at 0-5 °c. The diazo solution is then added to cuprous chloride for a displacement reaction. The resulting crude product is distilled to obtain a finished product. If the diazonium salt is prepared as the zinc chloride double salt of M-toluidine diazonium salt, it is decomposed under reflux in diethyl ether and the reaction is cooled, washed with water and dried. After the ether was recovered, the mixture was subjected to atmospheric distillation, and the fraction of 160-162 ° C. Was collected to obtain m-chlorotoluene. The advantage of this method is that the diazonium salt is not easily hydrolyzed to produce phenols. |
Last Update：2024-04-09 20:48:19
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