18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol]
18-冠-5[4-(2,4-二硝基苯偶氮)苯酚]
Also known as: 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]-
18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol] (CAS 81238-58-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C22H26N4O10 and a molecular weight of 506.463 g/mol. It is also known as 5-(2,4-Dinitrophenylazo)-2-hydroxy-1,3-xylylene-18-crown 5-ether and 3,6,9,12,15-Pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-trien-21-ol, 19-[2-(2,4-dinitrophenyl)diazenyl]-. Key properties include a boiling point of 705.2±70.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 380.3±35.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 81238-58-6
- Jingsj CID
- J-1991775-9
- Molecular Formula
- C22H26N4O10
- Chinese Name
- 18-冠-5[4-(2,4-二硝基苯偶氮)苯酚]
- Molecular Weight
- 506.463 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 705.2±70.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 380.3±35.7 °C |
Frequently Asked Questions
What is the CAS number of 18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol]?
The CAS number of 18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol] is 81238-58-6.
What are the molecular formula and molecular weight of 18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol]?
18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol] has molecular formula C22H26N4O10 and molecular weight 506.463 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol] (CAS 81238-58-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991775-9 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.