ChemicalBook > CAS DataBase List > 4-CHLORO-2-(1H-PYRAZOL-3-YL)PHENOL

4-CHLORO-2-(1H-PYRAZOL-3-YL)PHENOL

Product Name
4-CHLORO-2-(1H-PYRAZOL-3-YL)PHENOL
CAS No.
18704-67-1
Chemical Name
4-CHLORO-2-(1H-PYRAZOL-3-YL)PHENOL
Synonyms
Medicated Leaven;LABOTEST-BB LT00452375;-CHLORO-2-(1H-PYRAZOL-3-YL)PHENOL;4-CHLORO-2-(1H-PYRAZOL-3-YL)PHENOL;Phenol, 4-chloro-2-(1H-pyrazol-3-yl)-;4-chloro-2-pyridineazolebenzenephenol;4-Chloro-2-(1H-pyrazol-3-yl)phenol,99%;5-(2`-hydroxy-5`-chlorophenyl)pyrazole;4-Chloro-2-(1H-pyrazol-3-yl)phenol >4-Chloro-2-(1H-pyrazol-3-yl)phenol 98%
CBNumber
CB7453490
Molecular Formula
C9H7ClN2O
Formula Weight
194.62
MOL File
18704-67-1.mol
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4-CHLORO-2-(1H-PYRAZOL-3-YL)PHENOL Property

Melting point:
155-158 °C(lit.)
Boiling point:
411.2±30.0 °C(Predicted)
Density 
1.424±0.06 g/cm3(Predicted)
storage temp. 
Sealed in dry,Room Temperature
solubility 
soluble in Methanol
form 
powder to crystal
pka
8.48±0.43(Predicted)
color 
White to Orange to Green
InChI
1S/C9H7ClN2O/c10-6-1-2-9(13)7(5-6)8-3-4-11-12-8/h1-5,13H,(H,11,12)
InChIKey
DMGLUMYOLOAXJY-UHFFFAOYSA-N
SMILES
Oc1ccc(Cl)cc1-c2cc[nH]n2
CAS DataBase Reference
18704-67-1(CAS DataBase Reference)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
HS Code 
29331990
Storage Class
11 - Combustible Solids
Hazard Classifications
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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
417823
Product name
4-Chloro-2-(1H-pyrazol-3-yl)phenol
Purity
98%
Packaging
1g
Price
$19
Updated
2023/06/20
TCI Chemical
Product number
C2818
Product name
4-Chloro-2-(1H-pyrazol-3-yl)phenol
Purity
>98.0%(GC)(T)
Packaging
1g
Price
$36
Updated
2021/12/16
TCI Chemical
Product number
C2818
Product name
4-Chloro-2-(1H-pyrazol-3-yl)phenol
Purity
>98.0%(GC)(T)
Packaging
5g
Price
$124
Updated
2025/07/31
TRC
Product number
C380848
Product name
4-Chloro-2-(1H-pyrazol-3-yl)phenol
Packaging
100mg
Price
$60
Updated
2021/12/16
TRC
Product number
C380848
Product name
4-Chloro-2-(1H-pyrazol-3-yl)phenol
Packaging
500mg
Price
$110
Updated
2021/12/16
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4-CHLORO-2-(1H-PYRAZOL-3-YL)PHENOL Chemical Properties,Usage,Production

Chemical Properties

White crystalline powder

Uses

4-Chloro-2-(1H-pyrazol-3-yl)phenol undergoes Mannich reaction with N,N′-bis(methoxymethyl)diaza-18-crown-6 to afford NCH2N-linked bis(3-(5-chloro-2-hydroxy)pyrazol-1-ylmethyl)-substituted diazacrown ether (98% yield).

General Description

4-Chloro-2-(1H-pyrazol-3-yl)phenol undergoes Mannich reaction with N,N′-bis(methoxymethyl)diaza-18-crown-6 to afford NCH2N-linked bis(3-(5-chloro-2-hydroxy)pyrazol-1-ylmethyl)-substituted diazacrown ether (98% yield).

4-CHLORO-2-(1H-PYRAZOL-3-YL)PHENOL Preparation Products And Raw materials

Raw materials

Preparation Products

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4-CHLORO-2-(1H-PYRAZOL-3-YL)PHENOL Suppliers

J & K SCIENTIFIC LTD.
Tel
18210857532; 18210857532
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86-10-82849933
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jkinfo@jkchemical.com
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China
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Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006356688 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
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Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30123
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TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
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China
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24529
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Energy Chemical
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021-021-58432009 400-005-6266
Fax
021-58436166
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sales8178@energy-chemical.com
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China
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Wuhan Chemwish Technology Co., Ltd
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86-027-67849912
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86-027-87531808
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sales@chemwish.com
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China
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Shanghai Sinch Parmaceuticals Tech. Co. Ltd.
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+86-21-54098501
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+86-21-54096319
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sales@sinch.com.cn
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China
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Shanghai Hanhong Scientific Co.,Ltd.
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021-54306202 13764082696
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info@hanhongsci.com
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China
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Thermo Fisher Scientific
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800-810-5118
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+86-10-84193589
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cnchemical@thermofisher.com
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China
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TOKYO CHEMICAL INDUSTRY CO., LTD.
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03-36680489
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03-3668-0520
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Sales-JP@TCIchemicals.com
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Japan
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28387
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80

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