ChemicalBook > CAS DataBase List > 4-(1H-Pyrazol-1-yl)aniline

4-(1H-Pyrazol-1-yl)aniline

Product Name
4-(1H-Pyrazol-1-yl)aniline
CAS No.
17635-45-9
Chemical Name
4-(1H-Pyrazol-1-yl)aniline
Synonyms
AKOS B029459;BUTTPARK 98\50-47;CHEMBRDG-BB 4102901;4-(1-Pyrazolyl)aniline;1-(4-AMINOPHENYL)PYRAZOLE;4-PYRAZOL-1-YL-PHENYLAMINE;4-(1H-PYRAZOL-1-YL)ANILINE;1-(4-Aminophenyl)-1H-pyrazole;4-1H-Pyrazol-1-yl-phenylamine;4-PYRAZOL-1-YL-PHENYLAMINE 95%
CBNumber
CB4670492
Molecular Formula
C9H9N3
Formula Weight
159.19
MOL File
17635-45-9.mol
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4-(1H-Pyrazol-1-yl)aniline Property

Melting point:
54 °C
Boiling point:
312.0±25.0 °C(Predicted)
Density 
1.20±0.1 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2–8 °C
form 
solid
pka
4.03±0.10(Predicted)
Appearance
Gray to brown Solid
InChI
InChI=1S/C9H9N3/c10-8-2-4-9(5-3-8)12-7-1-6-11-12/h1-7H,10H2
InChIKey
CSFIQHZIFKIQNO-UHFFFAOYSA-N
SMILES
C1(N)=CC=C(N2C=CC=N2)C=C1
CAS DataBase Reference
17635-45-9(CAS DataBase Reference)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36/37/39-37/39
HazardClass 
IRRITANT
HS Code 
2921420090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
CBR01115
Product name
4-(1H-Pyrazol-1-yl)aniline hydrochloride
Purity
Aldrich<SUP>CPR</SUP>
Packaging
1 g
Price
$107
Updated
2025/07/31
TRC
Product number
P842233
Product name
4-(1H-Pyrazol-1-yl)aniline
Packaging
10mg
Price
$45
Updated
2021/12/16
Apolloscientific
Product number
OR23297
Product name
4-(1H-Pyrazol-1-yl)aniline
Packaging
1g
Price
$25
Updated
2021/12/16
SynQuest Laboratories
Product number
3H30-1-F7
Product name
4-(1H-Pyrazol-1-yl)aniline
Packaging
1g
Price
$28
Updated
2021/12/16
Apolloscientific
Product number
OR23297
Product name
4-(1H-Pyrazol-1-yl)aniline
Packaging
5g
Price
$69
Updated
2021/12/16
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4-(1H-Pyrazol-1-yl)aniline Chemical Properties,Usage,Production

Synthesis

3463-30-7

17635-45-9

GENERAL STEPS: In a typical reaction, 5.0 mg of Pd-gCN catalyst (containing 5.0 wt% Pd) was mixed with 1.0 mM 1-(4-nitrophenyl)-1H-pyrazole in ethanol (2 mL) and 60% hydrazine hydrate solution (2 mM, 1.2 equiv, 0.07 mL). The mixture was placed in a 10 mL round-bottomed flask and reacted at reflux temperature (70°C) for 4 hours, followed by cooling to room temperature. After completion of the reaction, the reaction mixture was filtered and the filtrate was purified by silica gel column chromatography to afford 4-(1H-pyrazol-1-yl)aniline (1-(4-aminophenyl)pyrazole). For dinitroaromatic substrates, 4.0 mM (2.4 eq., 0.14 mL) of 60% hydrazine hydrate solution is required.

References

[1] Chemical and Pharmaceutical Bulletin, 2000, vol. 48, # 12, p. 1935 - 1946
[2] Applied Catalysis A: General, 2016, vol. 523, p. 31 - 38
[3] Patent: EP3159340, 2017, A1. Location in patent: Paragraph 0086; 0091
[4] Patent: US2015/336982, 2015, A1. Location in patent: Paragraph 0165; 0167
[5] Patent: CN105418590, 2016, A. Location in patent: Paragraph 0152; 0153; 0154

4-(1H-Pyrazol-1-yl)aniline Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 4-(1H-Pyrazol-1-yl)aniline manufacturers

Shanghai Rlavie Technology Co ltd
Product
4-Pyrazol-1-yl-phenylamine 17635-45-9
Price
US $0.00-0.00/KG
Min. Order
1g
Purity
98%min
Supply Ability
4-Pyrazol-1-yl-phenylamine
Release date
2021-11-22
Career Henan Chemical Co
Product
4-(1H-Pyrazol-1-yl)aniline 17635-45-9
Price
US $1.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
100KG
Release date
2018-08-20

17635-45-9, 4-(1H-Pyrazol-1-yl)anilineRelated Search:

ANILINE BLACK Metazachlor Zolpidem tartrate Pyrazole Pyraclostrobin Aniline 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one 3,4'-DIAMINODIPHENYLMETHANE Aminopyrazine 5-AMINO-1-(4-NITROPHENYL)-1H-PYRAZOLE-4-CARBONITRILE Zolpidem 3-(4-BROMO-1-METHYL-1H-PYRAZOL-3-YL)ANILINE 4-(3,5-DIMETHYL-1H-PYRAZOL-1-YL)ANILINE 4-(1-methyl-1h-pyrazol-3-yl)aniline,4-(1-Methyl-1H-pyrazol-3-yl)aniline 97% 3-(1-Methyl-1H-pyrazol-3-yl)aniline 2-(1H-PYRAZOL-1-YL)ANILINE 3,4,5-TRIBROMO-1-(4-NITROPHENYL)-1H-PYRAZOLE NSC4912

  • CHEMBRDG-BB 4102901
  • BUTTPARK 98\50-47
  • 1-(4-AMINOPHENYL)PYRAZOLE
  • 4-PYRAZOL-1-YL-PHENYLAMINE
  • 4-PYRAZOL-1-YL-PHENYLAMINE HCL
  • 4-PYRAZOL-1-YL-PHENYLAMINE HYDROCHLORIDE
  • 4-(1H-PYRAZOL-1-YL)ANILINE
  • AKOS B029459
  • 4-PYRAZOL-1-YL-PHENYLAMINE 95%
  • [4-(1H-pyrazol-1-yl)phenyl]amine hydrochloride
  • 4-(1H-pyrazol-1-yl)aniline(SALTDATA: HCl)
  • 1-(4-Aminophenyl)-1H-pyrazole
  • 4-(1H-Pyrazol-1-yl)aniline hydrochloride
  • 4-(1-Pyrazolyl)aniline
  • 4-(1H-pyrazol-1-yl)benzenaMine
  • 4-1H-Pyrazol-1-yl-phenylamine
  • Benzenamine, 4-(1H-pyrazol-1-yl)-
  • 17635-45-9
  • Amines and Anilines
  • Heterocycles