METAZACHLOR
Metazachlor
CAS: 67129-08-2
Molecular Formula: C14H16ClN3O
METAZACHLOR - Names and Identifiers
| Name | Metazachlor |
| Synonyms | BUTISAN S BAS 47900H METAZACHLOR Metazachlor 2-Chloro-N-(pyrazol-1-ylmethyl)acet-2,6-xylidide 2-Chloro-N-(pyrazol-1-ylmethyl)acet-2',6'-xylidide 2-CHLORO-N-(2,6-DIMETHYLPHENYL)-N-(1-PYRAZOLYLMETHYL) ACETAMIDE 2-CHLORO-N-(2,6-DIMETHYLPHENYL)-N-(PYRAZOL-1-YLMETHYL)ETHANAMIDE 2-chloro-n-(2,6-dimethylphenyl)-n-(1h-pyrazol-1-ylmethyl)acetamide 2-chloro-N-(2,6-dimethylphenyl)-N-(1H-pyrazol-1-ylmethyl)acetamide 2-chloro-n-(2,6-dimethylphenyl)-n-(1h-pyrazol-1-ylmethyl)-acetamid |
| CAS | 67129-08-2 |
| EINECS | 266-583-0 |
| InChI | InChI=1/C14H16ClN3O/c1-11-5-3-6-12(2)14(11)18(13(19)9-15)10-17-8-4-7-16-17/h3-8H,9-10H2,1-2H3 |
METAZACHLOR - Physico-chemical Properties
| Molecular Formula | C14H16ClN3O |
| Molar Mass | 277.75 |
| Density | 1.237-1.323 g/cm3(Temp: 25 °C) |
| Melting Point | 74-78°C |
| Boling Point | 439.2±45.0 °C(Predicted) |
| Flash Point | 2°C |
| Solubility | Chloroform, Methanol |
| Vapor Presure | 6.5E-08mmHg at 25°C |
| Appearance | neat |
| Color | Off-White to Pale Beige |
| BRN | 621550 |
| pKa | 1.54±0.10(Predicted) |
| Storage Condition | Sealed in dry,2-8°C |
| Refractive Index | 1.586 |
| Physical and Chemical Properties | The neat was a gray solid. m. P. 85 °c, vapor pressure 4.9 x 10-5Pa (20 °c). Solubility at 20 ° C: acetone 1000g/kg, chloroform 1000g/kg, ethanol 200g/kg, water 17mg/L. |
METAZACHLOR - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable R43 - May cause sensitization by skin contact |
| Safety Description | S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S16 - Keep away from sources of ignition. S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN 1648 3/PG 2 |
| WGK Germany | 3 |
| RTECS | AB5442000 |
| HS Code | 29331990 |
METAZACHLOR - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| toxicity | rat acute oral LD502150mg/kg, rat acute percutaneous LD50>6810mg/kg. |
| biological activity | methachlor is a chloroacetamide herbicide. Methachlor is an inhibitor of long-chain fatty acid synthesis that affects the cell division or tissue differentiation of weeds during seed germination and germination. |
| Target | IC50: synthesis of long chain fatty acids |
| Use | acetanilide herbicide. Can control the wind grass, rat tail, Wild Oats, Ma Tang, gall bladder, Kentucky bluegrass, dog-tailed grass and other annual grass renovation of weeds and amaranth, chrysanthemum, Polygonum, mustard, eggplant, breeding, nettle, such broad-leaved weeds as nathanna. For rape, soybean, potato, tobacco and transplanted cabbage grass weeds and dicotyledonous weeds, with 1.0~1.5/hm2 pre-bud application. Rape field in the early post Bud to 4 leaf stage, with 1.5/hm2. |
| production method | in the presence of phosphorus oxychloride, 2, 6-dimethylaniline is refluxed with chloroacetic acid in xylene, N-chloromethylformyl-2, 6-dimethylaniline is formed, and then after chloromethylation, the product is reacted with pyrazole in ethyl acetate in the presence of triethylamine to synthesize picroamine. |
| category | pesticide |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 1000 mg/kg |
| flammability hazard characteristics | toxic nitrogen oxides and chloride gases generated by combustion |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| extinguishing agent | dry powder, foam, sand |
Last Update：2024-04-09 19:05:13
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View History
METAZACHLOR
HEXADECYLTRIMETHYLAMM. HYDROXIDE CONC.
Reactive Yellow HE4G
2-Chlorophenylalanine
6-Dichlorophenol
白螨净
HEXADECYLTRIMETHYLAMM. HYDROXIDE CONC.
Reactive Yellow HE4G
2-Chlorophenylalanine
6-Dichlorophenol
白螨净