SILBENIL
2,6-Dichlorobenzonitrile
CAS: 1194-65-6
Molecular Formula: C7H3Cl2N
SILBENIL - Names and Identifiers
| Name | 2,6-Dichlorobenzonitrile |
| Synonyms | H-133 Barrier Silbenil 2,6-DCBN SILBENIL Dichlobenil NIAGARA 5006 Niagara 5006 AKOS BBS-00004654 Akos Bbs-00004654 2,6-DICHLOROBENZONIT 2,6-Dichlorobenzonitrle 2,6-DICHLOROBENZONITRILE 2,6-Dichlorobenzonitrile DICHLOBENIL PESTANAL (2,6-DICHLORO- BENZ |
| CAS | 1194-65-6 |
| EINECS | 214-787-5 |
| InChI | InChI=1/C7H3Cl2N/c8-6-2-1-3-7(9)5(6)4-10/h1-3H |
| InChIKey | YOYAIZYFCNQIRF-UHFFFAOYSA-N |
SILBENIL - Physico-chemical Properties
| Molecular Formula | C7H3Cl2N |
| Molar Mass | 172.01 |
| Density | 1.4980 (rough estimate) |
| Melting Point | 143-146°C(lit.) |
| Boling Point | 270-275 °C |
| Flash Point | 270°C |
| Water Solubility | 25 mg/L (25 ºC) |
| Solubility | Water soluble 25 mg/L (25°C) |
| Vapor Presure | 0.14Pa at 25℃ |
| Appearance | White crystalline powder |
| Color | White to Almost white |
| Merck | 14,3042 |
| BRN | 1909167 |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.6000 (estimate) |
| MDL | MFCD00001781 |
| Physical and Chemical Properties | Melting point 142-147°C boiling point 270-275°C water-soluble 25 mg/L (25°C) |
| Use | Is a variety of herbicides and pesticides intermediates, used in the production of potassium, difenuron, fluorine urea and other more than 10 kinds of pesticides, but also for dyes, plastics, etc |
SILBENIL - Risk and Safety
| Risk Codes | R21 - Harmful in contact with skin R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S36/37 - Wear suitable protective clothing and gloves. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | DI3500000 |
| HS Code | 29269090 |
| Hazard Note | Irritant/Toxic |
| Hazard Class | 9 |
| Packing Group | III |
| Toxicity | LD50 in rats, mice (mg/kg): 2710, 6800 orally (Bailey, White) |
SILBENIL - Reference Information
| LogP | 2.7 at 20℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxicology | 1, acute toxicity: rat oral LD50:2710mg/kg mouse oral LD50:2056mg/kg mouse applied to skin LD50:>200mg/kg: sensory organ sensitivity 2, tumorigenicity: mouse introduced peritoneal TDLo:260ug/kg/39D-I |
| Use | 2, 6-dichlorobenzonitrile itself is a herbicide variety-dioxinonitrile, and it is also a benzoylurea insecticide An important intermediate in the synthesis process, used to synthesize the next intermediate 2, 6-difluorobenzonitrile, and finally obtain pesticide varieties such as flubolluron, pyream, fluuron, and lice mite. Used as a pre-bud herbicide for plants. The product has a very low concentration of toxicity to plants, a wide range of weed control objects, high efficacy and low toxicity. It is mainly used for weeding before budding of perennial grass crops. It is also used in the production of the herbicide grass. It is mainly used in the production of herbicides and pesticides, an important intermediate 2, 6-difluorobenzonitrile, and is also used in engineering plastics, electronic materials and dyes. It is an intermediate of a variety of herbicides and insecticides. It is used to produce more than 10 kinds of pesticides such as Caoquele, pyridoxine, and fluorourea. It is also used in dyes, plastics and other herbicides. Standards for pesticide analysis. |
| Production method | Made from o-dichlorobenzene. 2,6-dichlorobenzonitrile has many preparation methods. 2, 6-dichlorobenzaldehyde oxime is dehydrated, that is, 2, 6-dichlorobenzaldehyde oxime is added to the dehydrating agent for dehydration, after cooling, crystallization, and then filtering, washing, and drying to obtain 2, 6-Dichlorobenzonitrile. At present, our country mainly adopts this route in production. 2, 6-dichlorotoluene was prepared in one step by ammonia oxidation in the presence of a catalyst to produce 2, 6-dichlorobenzonitrile. The reaction process of this route is greatly shortened, pollution is reduced, and continuous production can be carried out, thus reducing the cost. In addition, there are many other synthesis methods, such as 2, 6-dichlorobenzaldehyde or 2, 6-dichlorobenzyl dichlorobenzyl reaction with hydroxylamine, 2, 6-dichloroaniline for diazotization, nitration reaction, etc., can synthesize 2, 6-dichlorobenzonitrile. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:49:11
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