4,6-dichloropyrimidin-2-ylamine
2-Amino-4,6-dichloropyrimidine
CAS: 56-05-3
Molecular Formula: C4H3Cl2N3
4,6-dichloropyrimidin-2-ylamine - Names and Identifiers
| Name | 2-Amino-4,6-dichloropyrimidine |
| Synonyms | 2-Amino-4,6-dichL 6-dichloropyriMidine 4,6-Dichloro-2-pyrimidinamine 4,6-dichloropyrimidin-2-amine 2-amino-4,6-dichoropyrimidine 4,6-Dichloro-2-aminopyrimidine 2-Amino-4,6-dichloropyrimidine 4,6-dichloropyrimidin-2-ylamine Pyrimidine, 2-amino-4,6-dichloro- 4,6-Dichloropyrimidin-2-amine, 2-Amino-4,6-dichloro-1,3-diazine |
| CAS | 56-05-3 |
| EINECS | 200-253-9 |
| InChI | InChI=1/C4H3Cl2N3/c5-2-1-3(6)9-4(7)8-2/h1H,(H2,7,8,9) |
| InChIKey | JPZOAVGMSDSWSW-UHFFFAOYSA-N |
4,6-dichloropyrimidin-2-ylamine - Physico-chemical Properties
| Molecular Formula | C4H3Cl2N3 |
| Molar Mass | 163.99 |
| Density | 1.6662 (rough estimate) |
| Melting Point | 219-222 °C (lit.) |
| Boling Point | 219-222°C |
| Flash Point | 164.6°C |
| Water Solubility | Insoluble in water, soluble in acetone, two monomer (VCM) and thermal toluene. |
| Vapor Presure | 5.01E-05mmHg at 25°C |
| Appearance | White crystal |
| Color | Clear colorless to light yellow |
| BRN | 118454 |
| pKa | 0.14±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.6300 (estimate) |
| MDL | MFCD00006090 |
| Physical and Chemical Properties | Melting Point 210-214°C |
| Use | For the synthesis of chlorimuron-methyl herbicide |
4,6-dichloropyrimidin-2-ylamine - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | UV6260485 |
| FLUKA BRAND F CODES | 10 |
| TSCA | T |
| HS Code | 29335995 |
| Hazard Class | IRRITANT |
4,6-dichloropyrimidin-2-ylamine - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | 2-amino -4, 6-dichloropyrimidine is prepared from 2-amino -4, the intermediate of 6-dimethoxypyrimidine can be used for the production of sulfonylurea herbicides, such as bensulfuron-methyl, pyrisulfuron-methyl, nicosulfuron and the like. |
| Use | 2-amino -4, 6-dichloropyrimidine is prepared from 2-amino -4, the intermediate of 6-dimethoxypyrimidine can be used for the production of sulfonylurea herbicides, such as bensulfuron-methyl, pyrisulfuron-methyl, nicosulfuron and the like. important pharmaceutical intermediates used in the synthesis of chlorsulfuron-methyl herbicide used in the synthesis of bensulfuron-methyl and chlorsulfuron-methyl. |
| production method | the preparation method is to add 2-amino -4, 6-dihydroxypyrimidine, phosphorus oxychloride and dichloroethane were heated to 82 ℃, triethylamine and dichloroethane solution were added dropwise to the reaction solution for more than 1 h, and then the mixture was refluxed at 82~84 ℃ for 2h, desolvation, water hydrolysis, filtration, washing, drying to obtain the finished product. |
Last Update：2024-04-09 21:11:58
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View History
4,6-dichloropyrimidin-2-ylamine
84117-86-2
N-[2-chloro-6-(trifluoromethyl)phenyl]-1,3-thiazolidine-4-carboxamide
6-amino-5-cyano-5'-fluoro-2'-oxo-3-phenyl-1,1',3',4-tetrahydrospiro(pyrano[2,3-c]pyrazole-4,3'-[2'H]-indole)
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4-Chloro-2,3-dihydro-7-hydroxy-1H-inden-1-one
1220040-27-6
438472-80-1
2246890-21-9
83949-61-5
84117-86-2
N-[2-chloro-6-(trifluoromethyl)phenyl]-1,3-thiazolidine-4-carboxamide
6-amino-5-cyano-5'-fluoro-2'-oxo-3-phenyl-1,1',3',4-tetrahydrospiro(pyrano[2,3-c]pyrazole-4,3'-[2'H]-indole)
438625-26-4
4-Chloro-2,3-dihydro-7-hydroxy-1H-inden-1-one
1220040-27-6
438472-80-1
2246890-21-9
83949-61-5