3,4-Dichloro-N-hydroxyaniline

Base Information

• Chemical Name: 3,4-Dichloro-N-hydroxyaniline
• CAS No.: 33175-34-7
• Molecular Formula: C6H5 Cl2 N O
• Molecular Weight: 178.018
• Hs Code.: 2928000090
• European Community (EC) Number: 251-397-4
• UNII: DWC469KSS8
• DSSTox Substance ID: DTXSID6067751
• Nikkaji Number: J316.360A
• Wikidata: Q27276646
• Mol file: 33175-34-7.mol

Synonyms:3,4-DCPHA;3,4-dichlorophenylhydroxylamine;N-hydroxy-3,4-dichloroaniline

Chemical Property of 3,4-Dichloro-N-hydroxyaniline

Chemical Property:

• Vapor Pressure: 0.00147mmHg at 25°C
• Melting Point: 75 °C (decomp)
• Refractive Index: 1.5680 (estimate)
• Boiling Point: 283.6°Cat760mmHg
• PKA: 7.76±0.70(Predicted)
• Flash Point: 125.3°C
• PSA: 32.26000
• Density: 1.564g/cm³
• LogP: 2.86750
• XLogP3: 2.9
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 176.9748192
• Heavy Atom Count: 10
• Complexity: 112

Purity/Quality:

99% ^*data from raw suppliers

3,4-DICHLORO-N-HYDROXYANILINE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC(=C(C=C1NO)Cl)Cl

Technology Process of 3,4-Dichloro-N-hydroxyaniline

There total 5 articles about 3,4-Dichloro-N-hydroxyaniline 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: 97.0%

3,4-dichloronitrobenzene (99-54-7) → N-(3,4-dichlorophenyl)-hydroxylamine (33175-34-7)

Guidance literature:

With ammonium formate; zinc; In acetonitrile; at 25 - 30 ℃; for 1h; sonification;

DOI:10.1246/cl.2006.226

Reference yield:

C11H13Cl2NO2 (116278-64-9) → 3,3',4,4'-Tetrachloroazoxybenzene (21232-47-3,125322-31-8) + N-(3,4-dichlorophenyl)-hydroxylamine (33175-34-7) + m,p-dichloroaniline (95-76-1) + 3,3',4,4'-tetrachloroazobenzene (14047-09-7)

Guidance literature:

With diethylamine; In methanol; at 25 ℃; Yields of byproduct given;

DOI:10.1021/jo00297a015

Reference yield:

m,p-dichloroaniline (95-76-1) → N-(3,4-dichlorophenyl)-hydroxylamine (33175-34-7)

Guidance literature:

With sodium perborate; In acetic acid; at 55 ℃; Further Variations:; Temperatures; Kinetics;

DOI:10.1039/b208199g

upstream raw materials:

3,4-dichloronitrobenzene

C₁₁H₁₃Cl₂NO₂

N-(4-chlorophenyl)hydroxylamine

m,p-dichloroaniline

Downstream raw materials:

3,4-Dichloronitrosobenzene

3,3',4,4'-Tetrachloroazoxybenzene

(3,4-dichloro-phenyl)-hydroxy-thiocarbamic acid S-propyl ester

(3,4-dichloro-phenyl)-hydroxy-thiocarbamic acid S-isopropyl ester

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