ChemicalBook >> CAS DataBase List >>18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL]

18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL]

CAS No.
81238-58-6
Chemical Name:
18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL]
Synonyms
18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL];5-(2,4-DINITROPHENYLAZO)-2-HYDROXY-1,3-XYLYLENE-18-CROWN 5-ETHER;3,6,9,12,15-Pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-trien-21-ol, 19-[2-(2,4-dinitrophenyl)diazenyl]-
CBNumber:
CB3770580
Molecular Formula:
C22H26N4O10
Molecular Weight:
506.46
MDL Number:
MFCD08276325
MOL File:
81238-58-6.mol
MSDS File:
SDS
Last updated:2023-06-08 17:06:35

18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL] Properties

Melting point 109.5-110 °C(Solv: methanol (67-56-1))
Boiling point 752.0±60.0 °C(Predicted)
Density 1.44±0.1 g/cm3(Predicted)
pka 7?+-.0.20(Predicted)
form powder to crystal
color Light yellow to Amber to Dark green

SAFETY

Risk and Safety Statements

HS Code  2932.99.7000

18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL] price More Price(9)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical C1943 18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol] 81238-58-6 100mg $224 2024-03-01 Buy
TRC C825015 18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol] 81238-58-6 1mg $45 2021-12-16 Buy
Biosynth Carbosynth FC62077 18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol] 81238-58-6 25mg $55 2021-12-16 Buy
Biosynth Carbosynth FC62077 18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol] 81238-58-6 50mg $95 2021-12-16 Buy
Biosynth Carbosynth FC62077 18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol] 81238-58-6 100mg $166 2021-12-16 Buy
Product number Packaging Price Buy
C1943 100mg $224 Buy
C825015 1mg $45 Buy
FC62077 25mg $55 Buy
FC62077 50mg $95 Buy
FC62077 100mg $166 Buy

18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL] Chemical Properties,Uses,Production

Uses

18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol] (CAS# 81238-58-6) is a crown ether derivative used in the enantiomeric determination of amines by square wave voltammetry using azophenolic crowns in aprotic solvent.

18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL] Preparation Products And Raw materials

Raw materials

Preparation Products

18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL] Suppliers

Global( 25)Suppliers
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Career Henan Chemica Co
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Aladdin Scientific
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Energy Chemical 021-021-58432009 400-005-6266 sales8178@energy-chemical.com China 44688 61
Hunan Hui Bai Shi Biotechnology Co., Ltd. 0731-85526065 13308475853 ivy@hnhbsj.com China 4554 62
Maya High Purity Chemicals +86 (573) 82222445 (0)18006601000 452520369 sales@maya-r.com China 11707 57
TOKYO CHEMICAL INDUSTRY CO., LTD. 03-36680489 Sales-JP@TCIchemicals.com Japan 28387 80
TCI Europe 320-37350700 sales@tcieurope.eu Europe 23671 75
5-(2,4-DINITROPHENYLAZO)-2-HYDROXY-1,3-XYLYLENE-18-CROWN 5-ETHER 18-CROWN-5 [4-(2,4-DINITROPHENYLAZO)PHENOL] 3,6,9,12,15-Pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-trien-21-ol, 19-[2-(2,4-dinitrophenyl)diazenyl]- 81238-58-6 C22H26N4O10 Crown Ethers Macrocycles for Host-Guest Chemistry Crown Ethers Functional Materials Macrocycles for Host-Guest Chemistry