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CAS No.: | 94-75-7 |
---|---|
Name: | 2,4-Dichlorophenoxyacetic acid |
Article Data: | 141 |
Molecular Structure: | |
Formula: | C8H6Cl2O3 |
Molecular Weight: | 221.04 |
Synonyms: | Aceticacid, (2,4-dichlorophenoxy)- (7CI,8CI,9CI);(2,4-Dichlorophenoxy)acetic acid;2,4-Dichlorophenoxyacetic acid ester;2,4-Dichlorophenoxyethanoic acid;2,4-PA;2-(2,4-Dichlorophenoxy)acetic acid;Aminopielik 50SL;Amoxone;B-Selektonon;Barrage HF;Barrage hydrofluoride;Basalcoat;Deherban;Desormone;Dezormon;Diclordon;Dicopur;Esterone;Fernimine;Foredex 75;HM 2010;Hedonal;Hedonal(herbicide);Huragan;Ipaner;Isadiamineyeom;Monosan herbi;Mota Maskros;NSC190751;NSC 2925;Netagrone;Pielik;Tiller S;Unison;Verton 2D;Vidon638;2,4-D series; |
EINECS: | 202-361-1 |
Density: | 1.488 g/cm>3 |
Melting Point: | 137 °C |
Boiling Point: | 345.6 °C at 760 mmHg |
Flash Point: | 162.8 °C |
Solubility: | slightly soluble in water; decomposes: 0.0890 g/100 mL |
Appearance: | light yellow crystalline powder |
Hazard Symbols: | Xn,Xi,T,F |
Risk Codes: | 22-37-41-43-52/53-39/23/24/25-23/24/25-36/37/38-11 |
Safety: | 24/25-26-36/37/39-46-61-2-45-36/37-27-16 |
Transport Information: | UN 3077 9/PG 3 |
PSA: | 46.53000 |
LogP: | 2.45680 |
Conditions | Yield |
---|---|
With hydrogenchloride; para-dodecylbenzenesulfonic acid In water at 160℃; for 1h; Temperature; Reagent/catalyst; | 99.6% |
With toluene-4-sulfonic acid In water at 106℃; for 3h; | 99.9% |
With hydrogenchloride; water for 3h; Reflux; | 98.3% |
Conditions | Yield |
---|---|
With (phthalocyaninato)iron(II); chlorine; acetic acid In water at 75℃; for 0.5h; Concentration; Time; | 99.8% |
With dihydrogen peroxide; chlorine In benzene at 100℃; for 1h; | 99% |
With iron(III) chloride; dimethylsulfide; chlorine In chloroform at 70℃; for 5h; Reagent/catalyst; Solvent; Temperature; | 99.4% |
Conditions | Yield |
---|---|
Stage #1: bromoacetic acid With water; potassium hydroxide at 110℃; for 2h; Green chemistry; Stage #2: 2,4-dichlorophenol With water; sodium hydroxide at 100 - 130℃; for 4.5h; Green chemistry; Stage #3: With sulfuric acid at 140℃; under 3000.3 Torr; for 2h; Green chemistry; | 99.8% |
Conditions | Yield |
---|---|
With N-chloro-N-(benzenesulfonyl)benzenesulfonamide In acetonitrile at 20 - 25℃; for 0.0833333h; Green chemistry; | 99.7% |
With hydrogenchloride; sodium chlorate; acetic acid |
Conditions | Yield |
---|---|
Stage #1: chloroacetic acid With sodium hydroxide In water for 1h; Stage #2: 2,4-dichlorophenol With potassium hydroxide In water for 1h; Stage #3: With tetrabutylammomium bromide; potassium bromide In water at 130℃; for 2h; Reagent/catalyst; Temperature; | 99.6% |
Stage #1: chloroacetic acid With water; sodium carbonate at 100℃; for 1h; Green chemistry; Stage #2: 2,4-dichlorophenol With water; potassium hydroxide at 90 - 100℃; for 6h; Green chemistry; Stage #3: With hydrogenchloride In water at 150℃; under 4500.45 Torr; for 2h; Reagent/catalyst; Temperature; Green chemistry; | 99.7% |
With sodium hydroxide Irradiation; | 95% |
Conditions | Yield |
---|---|
With sodium hydroxide at 100℃; for 2h; | 99.5% |
With water; sodium hydroxide for 0.5h; Reflux; | 99.5% |
With water; sodium hydroxide for 0.5h; Reflux; | 99.6% |
methyl 2,4-dichlorophenoxyacetate
A
2,4-Dichlorophenoxyacetic acid
B
methylene chloride
Conditions | Yield |
---|---|
With hydrogenchloride; zinc(II) chloride In water at 140℃; for 4h; Reagent/catalyst; Temperature; | A 99.6% B 98.1% |
Conditions | Yield |
---|---|
With sulfuric acid for 3h; Reagent/catalyst; Reflux; | 99.5% |
With sulfuric acid for 3h; Reflux; | 99.3% |
With hydrogenchloride In water for 6h; Reagent/catalyst; Reflux; | 222 g |
Conditions | Yield |
---|---|
With water; sodium hydroxide Reflux; | 99.5% |
With sulfuric acid at 90℃; for 2h; Large scale; | 2202.1 g |
With hydrogenchloride In water at 60℃; for 4h; Large scale; | 2200.7 g |
With hydrogenchloride; water at 60℃; for 4h; Large scale; | 2196.3 g |
With hydrogenchloride In water at 60℃; for 4h; | 219.49 g |
Conditions | Yield |
---|---|
With water; sodium hydroxide for 0.5h; Reflux; | 99.3% |
With toluene-4-sulfonic acid In water; butan-1-ol at 120℃; for 2h; | 99.3% |
Stage #1: Fernesta With sodium hydroxide at 100℃; for 23h; Stage #2: With sulfuric acid | 2200 kg |
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