PYRIDINE-2,3-DIAMINE
2,3-Diaminopyridine
CAS: 452-58-4
Molecular Formula: C5H7N3
PYRIDINE-2,3-DIAMINE - Names and Identifiers
| Name | 2,3-Diaminopyridine |
| Synonyms | 2,3-diamino-pyridin TIMTEC-BB SBB004339 2,3-DIAMINOPYRIDINE 2,3-Diaminopyridine PYRIDINE-2,3-DIAMINE Pyridine-2,3-diamine 2,3-diaminopyridinium Pyridine, 2,3-diamino- ASINEX-REAG BAS 01435295 pyridine-2,3-diyldiamine |
| CAS | 452-58-4 |
| EINECS | 207-200-9 |
| InChI | InChI=1/C5H7N3/c6-4-2-1-3-8-5(4)7/h1-3H,6H2,(H2,7,8)/p+1 |
| InChIKey | ZZYXNRREDYWPLN-UHFFFAOYSA-N |
PYRIDINE-2,3-DIAMINE - Physico-chemical Properties
| Molecular Formula | C5H7N3 |
| Molar Mass | 109.13 |
| Density | 1.1118 (rough estimate) |
| Melting Point | 110-115 °C (lit.) |
| Boling Point | 195°C 55mm |
| Flash Point | 205 °C |
| Water Solubility | 100 g/L (20 ºC) |
| Solubility | H2O: soluble50mg/mL, opaque (brown to very dark brown) |
| Vapor Presure | 0.00057mmHg at 25°C |
| Appearance | Brown powder |
| Color | Very Dark Brown |
| BRN | 109869 |
| pKa | 6.78±0.36(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Sensitive | Air Sensitive |
| Refractive Index | 1.5340 (estimate) |
| MDL | MFCD00006319 |
| Physical and Chemical Properties | Light yellow powder |
PYRIDINE-2,3-DIAMINE - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R25 - Toxic if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S37/39 - Wear suitable gloves and eye/face protection S28A - S36 - Wear suitable protective clothing. |
| UN IDs | UN 2811 |
| WGK Germany | 3 |
| RTECS | US7548000 |
| FLUKA BRAND F CODES | 9 |
| HS Code | 29333999 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | II |
PYRIDINE-2,3-DIAMINE - Introduction
Soluble in water, solubility in water: 100g/l (20°C).
Last Update：2022-10-16 17:25:17
PYRIDINE-2,3-DIAMINE - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| use | 2, 3-diaminopyridine is a pyridine derivative, pyridine derivatives are widely present in nature, many of which have special pharmacological effects. This product can be used in pharmaceuticals, organic synthesis, etc. |
| preparation | a preparation method of 2, 3-diaminopyridine, comprising the steps of: (1) dissolving 2, 3-dinitropyridine in dichloromethane, adding palladium and carbon and stirring continuously, introducing hydrogen into the reaction bottle, heating to 50 ℃, heating for 1.5 hours to obtain a mixed solution; (2) filter the mixed liquid, pay attention to prevent palladium and carbon from blocking the filter hole during the filtration process, extract three times, and then spin steam under reduced pressure to obtain 2, 3-diaminopyridine. |
Last Update：2024-04-10 22:30:50
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