Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 15-Crown-4 [4-(2,4-Dinitrophenylazo)phenol]
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

81238-57-5

81238-57-5 structure

81238-57-5 structure

Name: 15-Crown-4 [4-(2,4-Dinitrophenylazo)phenol]
Chemical Name: 15-Crown-4 [4-(2,4-Dinitrophenylazo)phenol]
CAS Number: 81238-57-5
Molecular Formula: C₂₀H₂₂N₄O₉
Molecular Weight: 462.410
Catalog: Chemical reagent Organic reagent Crown ether
Create Date: 2018-12-27 18:22:57
Modify Date: 2025-08-25 10:57:54

Name	15-Crown-4 [4-(2,4-Dinitrophenylazo)phenol]
Synonyms	16-[(2,4-dinitrophenyl)hydrazinylidene]-3,6,9,12-tetraoxabicyclo[12.3.1]octadeca-1(17),14-dien-18-one 3,6,9,12-Tetraoxabicyclo[12.3.1]octadeca-14,17-diene-16,18-dione, 16-[2-(2,4-dinitrophenyl)hydrazone] 16-[(2,4-Dinitrophenyl)hydrazono]-3,6,9,12-tetraoxabicyclo[12.3.1]octadeca-1(17),14-dien-18-one

Density	1.5±0.1 g/cm3
Boiling Point	669.3±65.0 °C at 760 mmHg
Molecular Formula	C₂₀H₂₂N₄O₉
Molecular Weight	462.410
Flash Point	358.6±34.3 °C
Exact Mass	462.138672
PSA	173.51000
LogP	2.98
Vapour Pressure	0.0±2.0 mmHg at 25°C
Index of Refraction	1.629

HS Code	2932999099

78840-06-9 structure

78840-06-9

119-26-6 structure

119-26-6

~89%

81238-57-5 structure

81238-57-5

Literature: Sugihara, Kouichi; Kaneda, Takahiro; Misumi, Soichi Heterocycles, 1982 , vol. 18, p. 57 - 61

Precursor 2
78840-06-9 119-26-6
DownStream 0

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.