4-Pyridinamine, 2-chloro-
2-Chloro-4-aminopyridine
CAS: 14432-12-3
Molecular Formula: C5H5ClN2
4-Pyridinamine, 2-chloro- - Names and Identifiers
| Name | 2-Chloro-4-aminopyridine |
| Synonyms | TIMTEC-BB SBB004235 2-chloropyridin-4-amine 2-chloro-4-pyridinamine 2-CHLORO-4-PYRIDINAMINE 2-CHLOROPYRIDIN-4-AMINE 2-Chloro-4-aminopyridine 4-amino-2-chloropyridine 2-CHLORO-4-AMINOPYRIDINE 4-AMINO-2-CHLOROPYRIDINE 4-Pyridinamine, 2-chloro- 4-amino-2-chloropyridinium 2-CHLORO-PYRIDIN-4-YLAMINE |
| CAS | 14432-12-3 |
| EINECS | 238-403-0 |
| InChI | InChI=1/C5H5ClN2/c6-5-3-4(7)1-2-8-5/h1-3H,(H2,7,8)/p+1 |
| InChIKey | BLBDTBCGPHPIJK-UHFFFAOYSA-N |
4-Pyridinamine, 2-chloro- - Physico-chemical Properties
| Molecular Formula | C5H5ClN2 |
| Molar Mass | 128.56 |
| Density | 1.2417 (rough estimate) |
| Melting Point | 90-94°C(lit.) |
| Boling Point | 153°C 5mm |
| Flash Point | 153°C/5mm |
| Water Solubility | Slightly soluble in water. |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.00116mmHg at 25°C |
| Appearance | White Crystals |
| Color | Light yellow |
| BRN | 108671 |
| pKa | 4.73±0.30(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.5110 (estimate) |
| MDL | MFCD00060089 |
| Physical and Chemical Properties | Appearance of white or yellowish crystals melting point 89-94°C |
| Use | Used as pharmaceutical, pesticide, pigment intermediates |
4-Pyridinamine, 2-chloro- - 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. S37/39 - Wear suitable gloves and eye/face protection S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | 2811 |
| WGK Germany | 3 |
| HS Code | 29333999 |
| Hazard Class | IRRITANT |
4-Pyridinamine, 2-chloro- - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| Uses | 2-chloro-4-aminopyridine is an intermediate of the plant growth regulator forchlorfenuron. Used as an intermediate in medicine, pesticides, and pigments |
| production method | its preparation method is isonicotinic acid as raw material, chlorinated with phosphorus oxychloride to obtain 2-chloropyridine-4-carboxylic acid, then react with ammonia to form the corresponding amide, and then carry out Hoffman degradation reaction to obtain the product. It is also possible to use 2-chloropyridine-N-oxide as raw material, first nitrification with fuming nitric acid, and then reduction with iron powder in acetic acid to obtain the product. |
Last Update：2024-04-09 02:00:07
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