A,A,2,6-TETRACHLOROTOLUENE
2,6,alpha,alpha-tetrachlorotoluene
CAS: 81-19-6
Molecular Formula: C7H4Cl4
A,A,2,6-TETRACHLOROTOLUENE - Names and Identifiers
| Name | 2,6,alpha,alpha-tetrachlorotoluene |
| Synonyms | A,A,2,6-TETRACHLOROTOLUENE 2,6,a,a-Tetrachlorotoluene. 2,6-Dichlorobenzal chloride 2,6-Dichlorobenzyl Dichloride 2,6-dichlorobenzylidene chloride 2,6,alpha,alpha-tetrachlorotoluene ALPHA,ALPHA,2,6-TETRACHLOROTOLUENE alpha,alpha,2,6-Tetrachlorotoluene Toluene, alpha,alpha2,6-tetrachloro- 1,3-dichloro-2-(dichloromethyl)benzene Benzene, 2,6-dichloro-1-(dichloromethyl) Benzene, 1,3-dichloro-2-(dichloromethyl)- 1,3-Dichloro-2-dichloromethylbenzene, 2,6-Dichlorobenzal chloride |
| CAS | 81-19-6 |
| EINECS | 201-332-0 |
| InChI | InChI=1/C7H4Cl4/c8-4-2-1-3-5(9)6(4)7(10)11/h1-3,7H |
| InChIKey | QQPXXHAEIGVZKQ-UHFFFAOYSA-N |
A,A,2,6-TETRACHLOROTOLUENE - Physico-chemical Properties
| Molecular Formula | C7H4Cl4 |
| Molar Mass | 229.92 |
| Density | 1.520g/mLat 20°C(lit.) |
| Boling Point | 124-126°C16mm Hg(lit.) |
| Flash Point | 117.1°C |
| Vapor Presure | 0.0151mmHg at 25°C |
| Appearance | clear liquid |
| Color | Colorless to Almost colorless |
| Storage Condition | 2-8℃ |
| Refractive Index | n20/D 1.588 |
| MDL | MFCD00016349 |
| Physical and Chemical Properties | This product is a colorless liquid, B. p.140 ~ 142 ℃ (2.13 kpa),132~136 ℃ (1.6 kpa), soluble in benzene, toluene, chloroform and other organic solvents. |
A,A,2,6-TETRACHLOROTOLUENE - Risk and Safety
| Risk Codes | R34 - Causes burns R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R20/22 - Harmful by inhalation and if swallowed. |
| 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.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| HS Code | 29036990 |
| Hazard Class | 8 |
| Packing Group | III |
A,A,2,6-TETRACHLOROTOLUENE - 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 | 2, 6-dichloro-benzylidene chloride, 2, 6-dichlorobenzaldehyde or 2, 6-dichlorobenzaldehyde oxime is an important intermediate for the synthesis of benzoylurea insecticides and is also an intermediate for the antibiotic diclofenac penicillin. An intermediate of the antibiotic drug diclofenac. |
| production method | with phosphorus trichloride as catalyst, chlorine gas was introduced into 2, in a mixture of 6-dichlorotoluene and thionyl chloride, chlorine was maintained at 200 ° C. To a theoretical amount to give 2, 6-dichlorobenzylidene dichloride. 2, 6-dichlorobenzyl chloride was obtained by chlorination of 2, 6-dichlorotoluene. First, add thionyl chloride to 2, 6-dichlorotoluene, and use phosphorus trichloride as a catalyst, under ultraviolet irradiation at 200 ° C into the chlorine gas, and then use the alkali solution to absorb the remaining gas to increase the mass to the theoretical amount, that is, 2,6-dichloro-benzyl chloride is obtained. |
Last Update：2024-04-10 22:29:15
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