Fluroxypyr

Base Information

• Chemical Name: Fluroxypyr
• CAS No.: 69377-81-7
• Molecular Formula: C7H5Cl2FN2O3
• Molecular Weight: 255.033
• Hs Code.: 2942000000
• European Community (EC) Number: 614-957-2
• UNII: 8O40SHO197
• DSSTox Substance ID: DTXSID2034627
• Nikkaji Number: J372.922B
• Wikipedia: Fluroxypyr
• Wikidata: Q13416874
• ChEMBL ID: CHEMBL1895005
• Mol file: 69377-81-7.mol

Synonyms:4,5-amino-3,5-dichloro-6-fluoro-2-pyridinyloxyacetic acid;Dauko 433;fluroxypyr;Starane 200

Chemical Property of Fluroxypyr

Chemical Property:

• Appearance/Colour: white powder with the smell of soap
• Vapor Pressure: 4.27E-07mmHg at 25°C
• Melting Point: 57.5 °C
• Refractive Index: 1.608
• Boiling Point: 399.4 °C at 760 mmHg
• PKA: 2.22±0.10(Predicted)
• Flash Point: 195.3 °C
• PSA: 85.44000
• Density: 1.3 g/cm³
• LogP: 2.15430
• Storage Temp.: 0-6°C
• Solubility.: DMSO (Slightly), Methanol (Slightly)
• XLogP3: 1.8
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 3
• Exact Mass: 253.9661256
• Heavy Atom Count: 15
• Complexity: 246

Purity/Quality:

99% ^*data from raw suppliers

Fluroxypyr ^*data from reagent suppliers

Safty Information:

• Pictogram(s): R52/53:
• Hazard Codes: R52/53:
• Statements: 52/53
• Safety Statements: 61

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Pesticides -> Herbicides, Other
• Canonical SMILES: C(C(=O)O)OC1=NC(=C(C(=C1Cl)N)Cl)F
• Uses: Fluroxypyr is a systemic and selective herbicide. Fluroxypyr is used for the control of broad-leaved weeds in small grain cereals, maize, pastures, range land and turf. Fluroxypyr is a synthetic auxin . Fluroxypyr is a systemic and selective herbicide. Fluroxypyr is used for the control of broad-leaved weeds in small grain cereals, maize, pastures, range land and turf. Fluroxypyr is a synthetic auxin.

Technology Process of Fluroxypyr

There total 6 articles about Fluroxypyr which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

4-amino-3,5-dichloro-6-fluoro-2-pyridyloxyacetic acid sodium salt → fluroxypyr (69377-81-7)

Guidance literature:

With sulfuric acid; pH=1 - 2; Reagent/catalyst; Large scale;

Reference yield:

2,3,4,5,6-pentachloropyridine (2176-62-7) → fluroxypyr (69377-81-7)

Guidance literature:

Multi-step reaction with 6 steps

1: N-benzyl-N,N,N-triethylammonium chloride; 1,3-dimethyl-2-imidazolidinone; potassium fluoride / water / 2 h / 130 °C / Large scale

2: ammonium hydroxide / 1-methyl-pyrrolidin-2-one / 4 h / 0 - 5 °C / Large scale

3: potassium hydroxide / water / 2 h / Reflux; Large scale

4: water; 1-methyl-pyrrolidin-2-one / 2 h / 70 °C / Large scale

5: sodium hydroxide / water / 0.5 h / 95 °C / Large scale

6: sulfuric acid / pH 1 - 2 / Large scale

With 1,3-dimethyl-2-imidazolidinone; potassium fluoride; ammonium hydroxide; sulfuric acid; N-benzyl-N,N,N-triethylammonium chloride; potassium hydroxide; sodium hydroxide; In 1-methyl-pyrrolidin-2-one; water;

Reference yield:

3,5-dichloro-2,4,6-trifluoropyridine (1737-93-5,259875-95-1) → fluroxypyr (69377-81-7)

Guidance literature:

Multi-step reaction with 5 steps

1: ammonium hydroxide / 1-methyl-pyrrolidin-2-one / 4 h / 0 - 5 °C / Large scale

2: potassium hydroxide / water / 2 h / Reflux; Large scale

3: water; 1-methyl-pyrrolidin-2-one / 2 h / 70 °C / Large scale

4: sodium hydroxide / water / 0.5 h / 95 °C / Large scale

5: sulfuric acid / pH 1 - 2 / Large scale

With ammonium hydroxide; sulfuric acid; potassium hydroxide; sodium hydroxide; In 1-methyl-pyrrolidin-2-one; water;

upstream raw materials:

2,3,4,5,6-pentachloropyridine

3,5-dichloro-2,4,6-trifluoropyridine

4-amino-3,5-dichloro-2,6-difluoropyridine

Refernces

• 1、 -. "Herbicidal mixtures having a synergistic effect". . . Retrieved 2008/06/13.
• 2、 -. "Stabilized AGchemical concentrate and use thereof". . . Retrieved 2008/06/13.