2,4-Dichloro-5-nitrophenol
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2,4-Dichloro-5-nitrophenol
structure -
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CAS No:
39489-77-5
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Formula:
C6H3Cl2NO3
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Chemical Name:
2,4-Dichloro-5-nitrophenol
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Synonyms:
2,4-DICHLORO-5-NITROPHENOL;2,4-dichloro-5-nitrobenzenol
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CAS No:
Characteristics
66
2.5
Yellow to brown Solid
1.7±0.1 g/cm3
96-98°C
311.2°C at 760 mmHg
142.0±27.9 °C
1.639
Safety Information
Ⅲ
6.1
2811
20/21/22-36/37/38
26-36/37/39
Xn: Harmful;
P261, P264, P270, P271, P280, P301+P310, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P311, P312, P321, P322, P330, P332+P313, P337+P313, P361, P362, P363, P403+P233, P405, P501
H301+H311+H331
|Danger|H301+H311+H331 (20%): Toxic if swallowed, in contact with skin or if inhaled [Danger Acute toxicity, oral; acute toxicity, dermal; acute toxicity, inhalation]|P261, P264, P270, P271, P280, P301+P310, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P311, P312, P321, P322, P330, P332+P313, P337+P313, P361, P362, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 5 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
2,4-Dichloro-5-nitrophenol Use and Manufacturing
The preparation method is to put 2, 4-dichlorophenol and lye into the reaction kettle, start stirring, drop the protective agent at a suitable temperature, keep the temperature for several hours after dropping, cool and filter to obtain 2, 4-dichloro Then add concentrated nitric acid and water in another reactor, add sulfuric acid dropwise to the reactor to generate mixed acid, add the above-mentioned benzene alkoxy compound and solvent in another reactor, and start stirring. After cooling, the mixed acid is added dropwise to the reaction solution. After the dropping is completed, the temperature is slowly raised to a certain temperature, and the reaction is carried out for several hours, the layering is carried out, the organic layer is desolvated, and the solid is obtained by cooling. Then move the nitrate into the reaction kettle, add lye for hydrolysis, add dilute acid after hydrolysis to obtain yellow precipitate, and filter to obtain the product.
2,4-Dichloro-5-nitrophenol is an intermediate of the herbicide oxadiazon.
Computed Properties
Molecular Weight:208.00
XLogP3:2.5
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:3
Exact Mass:206.9489983
Monoisotopic Mass:206.9489983
Topological Polar Surface Area:66
Heavy Atom Count:12
Complexity:184
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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