5-Amino-2,4-dihydro-4-(phenylazo)-3H-pyrazol-3-one

Base Information

• Chemical Name: 5-Amino-2,4-dihydro-4-(phenylazo)-3H-pyrazol-3-one
• CAS No.: 19197-14-9
• Molecular Formula: C9H9 N5 O
• Molecular Weight: 203.203
• European Community (EC) Number: 242-869-0
• DSSTox Substance ID: DTXSID801197717
• Nikkaji Number: J224.877H
• Mol file: 19197-14-9.mol

Synonyms:19197-14-9;5-Amino-2,4-dihydro-4-(phenylazo)-3H-pyrazol-3-one;AI3-61186;3-amino-4-phenyldiazenyl-1,4-dihydropyrazol-5-one;EINECS 242-869-0;SCHEMBL6980273;DTXSID801197717;5-amino-4-phenylazo-2,4-dihydropyrazol-3-one;3-Amino-4-(phenylazo)-1H-pyrazole-5(4H)-one;3H-Pyrazol-3-one, 5-amino-2,4-dihydro-4-(phenylazo)-;5-Amino-2,4-dihydro-4-(2-phenyldiazenyl)-3H-pyrazol-3-one

Chemical Property of 5-Amino-2,4-dihydro-4-(phenylazo)-3H-pyrazol-3-one

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 92.20000
• Density: 1.52g/cm³
• LogP: 1.00560
• XLogP3: 0.7
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 2
• Exact Mass: 203.08070993
• Heavy Atom Count: 15
• Complexity: 306

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)N=NC2C(=NNC2=O)N

Technology Process of 5-Amino-2,4-dihydro-4-(phenylazo)-3H-pyrazol-3-one

There total 3 articles about 5-Amino-2,4-dihydro-4-(phenylazo)-3H-pyrazol-3-one 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:

aniline (62-53-3) + 3-amino-2-pyrazolin-5-one (6126-22-3) → 5-amino-4-phenylazo-2,4-dihydropyrazol-3-one (19197-14-9)

Guidance literature:

aniline; With hydrogenchloride; sodium nitrite; at 5 ℃;

3-amino-2-pyrazolin-5-one; In ethanol; water; for 0.5h;

DOI:10.1021/je020194t

Reference yield:

ethyl 2-cyano-2-(phenyldiazenyl)acetate (15106-65-7) → 5-amino-4-phenylazo-2,4-dihydropyrazol-3-one (19197-14-9)

Guidance literature:

With hydrazine hydrate;

Reference yield:

→ 5-amino-2H-pyrazole-3,4-dione 4-phenylhydrazone (19197-14-9)

Guidance literature:

Verb. No. 6 (Table 1), in sd. A.;

DOI:10.1007/BF00468360

upstream raw materials:

ethyl 2-cyano-2-(phenyldiazenyl)acetate

aniline

3-amino-2-pyrazolin-5-one

Downstream raw materials:

8-[(phenyl)azo]-2,4-dimethylpyrazolo[1,5-a]pyrimidine-7(6H)-one

4-[4-oxo-3-(5-oxo-4-phenylazo-4,5-dihydro-1H-pyrazol-3-yl)-3,4-dihydroquinazolin-2-yl]-phenyl-4-methylbenzenesulfonate

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