4,5-Dichloropyridazin-3(2H)-one
4,5-dichloro-3-hydroxypyridazine
CAS: 932-22-9
Molecular Formula: C4H2Cl2N2O
4,5-Dichloropyridazin-3(2H)-one - Names and Identifiers
| Name | 4,5-dichloro-3-hydroxypyridazine |
| Synonyms | AKOS B029197 AURORA KA-447 LABOTEST-BB LT00138189 4,5-dichloropyrimidin-2-ol 4,5-Dichloro-3-pyridazinol 4,5-DICHLOROPYRIDAZIN-3-ONE 4,5-DICHLOROPYRIDAZIN-3(2H)-ONE 4,5-Dichloropyridazin-3(2H)-one 4,5-Dichloro-3(2H)-pyridazinone 4,5-DICHLORO-3(2H)-PYRIDAZINONE 4,5-dichloro-3-hydroxypyridazine 4,5-DICHLORO-3-HYDROXYPYRIDAZINE 4,5-Dichloro-2,3-dihydropyridazin-3-one |
| CAS | 932-22-9 |
| InChI | InChI=1/C4H2Cl2N2O/c5-2-1-7-4(9)8-3(2)6/h1H,(H,7,8,9) |
| InChIKey | VJWXIRQLLGYIDI-UHFFFAOYSA-N |
4,5-Dichloropyridazin-3(2H)-one - Physico-chemical Properties
| Molecular Formula | C4H2Cl2N2O |
| Molar Mass | 164.98 |
| Density | 1.76±0.1 g/cm3(Predicted) |
| Melting Point | 204-206°C(lit.) |
| Boling Point | 380.6°C at 760 mmHg |
| Flash Point | 184°C |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 2.46E-06mmHg at 25°C |
| Appearance | Light brown crystal |
| Color | White to yellow |
| BRN | 120959 |
| pKa | 8.39±0.60(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.611 |
| MDL | MFCD00051504 |
4,5-Dichloropyridazin-3(2H)-one - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| 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 |
| WGK Germany | 3 |
| RTECS | UR6182000 |
| HS Code | 29349990 |
| Hazard Class | IRRITANT |
4,5-Dichloropyridazin-3(2H)-one - Introduction
4, is an organic compound with the chemical formula C4H3Cl2N3O. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
1. Appearance: 4. It is a white to light yellow solid.
2. solubility: insoluble in water, slightly soluble in solvents (such as alcohol or ketone).
3. melting point: about 170-173 ℃.
Use:
4, is widely used in medicine and chemical industry, for example:
1. medicine: as an important raw material for the synthesis of antibiotics and drug intermediates.
2. pesticides: intermediates that can be used to synthesize specific pesticides.
3. pigments and dyes: can be used as intermediates in the synthesis of heterocyclic compounds, the preparation of dyes and pigments.
4. Other applications: It can also be used in the fields of synthetic colloidal materials and organic light-emitting diodes.
Method:
4, the preparation method of the pill is as follows:
1. First, 2,3-dichloropyridine was taken as a starting material.
2. Then, 2,3-dichloropyridine is reacted with chlorine under alkaline conditions to generate 4,5-dichloropyridine.
3. Finally, 4,5-dichloropyridine is reacted with ammonia under alkaline conditions to obtain 4.
Safety Information:
Regarding 4, there is limited safety information, but in general, the compound has low toxicity. However, as an organic compound, the following precautions should be observed when using or contacting:
1. avoid direct contact with skin and eyes, use should wear appropriate protective equipment.
2. Avoid inhaling the dust or vapor of the compound, and ensure that the operation is carried out in a well-ventilated place.
3. If accidental contact or ingestion, please seek medical attention immediately and bring the detailed information of the compound for doctor's reference.
Please note that the above information is for informational purposes only and that more detailed chemical literature or professional consultation may be required for specific properties, uses, manufacturing methods and safety information.
Nature:
1. Appearance: 4. It is a white to light yellow solid.
2. solubility: insoluble in water, slightly soluble in solvents (such as alcohol or ketone).
3. melting point: about 170-173 ℃.
Use:
4, is widely used in medicine and chemical industry, for example:
1. medicine: as an important raw material for the synthesis of antibiotics and drug intermediates.
2. pesticides: intermediates that can be used to synthesize specific pesticides.
3. pigments and dyes: can be used as intermediates in the synthesis of heterocyclic compounds, the preparation of dyes and pigments.
4. Other applications: It can also be used in the fields of synthetic colloidal materials and organic light-emitting diodes.
Method:
4, the preparation method of the pill is as follows:
1. First, 2,3-dichloropyridine was taken as a starting material.
2. Then, 2,3-dichloropyridine is reacted with chlorine under alkaline conditions to generate 4,5-dichloropyridine.
3. Finally, 4,5-dichloropyridine is reacted with ammonia under alkaline conditions to obtain 4.
Safety Information:
Regarding 4, there is limited safety information, but in general, the compound has low toxicity. However, as an organic compound, the following precautions should be observed when using or contacting:
1. avoid direct contact with skin and eyes, use should wear appropriate protective equipment.
2. Avoid inhaling the dust or vapor of the compound, and ensure that the operation is carried out in a well-ventilated place.
3. If accidental contact or ingestion, please seek medical attention immediately and bring the detailed information of the compound for doctor's reference.
Please note that the above information is for informational purposes only and that more detailed chemical literature or professional consultation may be required for specific properties, uses, manufacturing methods and safety information.
Last Update：2024-04-09 21:54:55
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Spot supply
Product Name: 4,5-Dichloro-3-hydroxypyridazine Visit Supplier Webpage Request for quotationCAS: 932-22-9
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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