Name | 2,6-Dichlorobenzamide |
Synonyms | BAM 2,6-BAM NSC 53137 HSDB 2728 TIMTEC-BB SBB008056 2,6-DICHLORBENZAMIDE 2,6-DICHLOROBENZAMIDE 2,6-Dichlorobenzamide LABOTEST-BB LT00455181 BENZAMIDE,2,6-DICHLORO- Benzamide, 2,6-dichloro- ALDRIN PESTANAL (1,2,3,4,10,10-HEXA-CHLO |
CAS | 2008-58-4 |
EINECS | 217-918-4 |
InChI | InChI=1/C7H5Cl2NO/c8-4-2-1-3-5(9)6(4)7(10)11/h1-3H,(H2,10,11) |
Molecular Formula | C7H5Cl2NO |
Molar Mass | 190.03 |
Density | 1.2860 (rough estimate) |
Melting Point | 196-199°C(lit.) |
Boling Point | 266.5±30.0 °C(Predicted) |
Flash Point | 115°C |
Water Solubility | 2.7g/L(22.5 ºC) |
Solubility | Acetone (Slightly), Methanol (Slightly) |
Vapor Presure | 0.00862mmHg at 25°C |
Appearance | Crystalline Powder |
Color | White to brown-gray |
BRN | 1869103 |
pKa | 14.73±0.50(Predicted) |
Storage Condition | -20°C Freezer |
Refractive Index | 1.5500 (estimate) |
MDL | MFCD00007975 |
Hazard Symbols | Xi - Irritant |
Safety Description | 24/25 - Avoid contact with skin and eyes. |
WGK Germany | 3 |
HS Code | 29242998 |
Hazard Note | Irritant |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Overview | Halogenated benzamide compounds include 2, 6-dichlorobenzamide is a key intermediate for the synthesis of benzoylurea insecticides. Benzoylurea insecticides are chitin synthesis inhibitors, which kill insects by inhibiting the biosynthesis of chitin in insects. Its mechanism of action is different from other pesticides, it has the characteristics of high insecticidal activity, wide insecticidal spectrum, low residue, strong selectivity, and safety to humans and animals. It is an environmentally friendly insecticide variety. Benzoylurea insecticides are the main varieties of insect growth regulator pesticides, and the demand at home and abroad is relatively large. Therefore, the development of key intermediates has attracted much attention in the pesticide industry. |
preparation | preparation including 2,6-dichlorobenzamide is as follows: in a 500ml reaction bottle, 51.6g(0.3mol) of 2,6-dichlorobenzonitrile, 41.6g of water, 0.6g of 30% sodium hydroxide solution, heating to 35 ℃, dropping 55.65g(0.45mol) of 27.5% hydrogen peroxide, after 5 hours of dropping, the sampling is controlled, and 2,6-dichlorobenzonitrile ≤ 0.5% is qualified. Filter, rinse the filter cake with 83.2g of water, and dry the wet product to obtain the finished product 2,6-dichlorobenzamide 55g, with purity> 99.0% and yield 97%. |
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |