ndepap

Modify Date: 2026-08-14 00:21:03

ndepap Structure
ndepap structure
Common Name ndepap
CAS Number 75902-86-2 Molecular Weight 470.36200
Density N/A Boiling Point N/A
Molecular Formula C22H24BrN5O2 Melting Point N/A
MSDS Chinese USA Flash Point N/A

 Use of ndepap


4-(4-Diethylaminophenylazo)-1-(4-nitrobenzyl)pyridinium bromide is a very stable compound that can be used in the determination of anionic surfactants[1][2].

Summary: N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide (ndepap), with CAS number 75902-86-2, has a molecular formula of C22H24BrN5O2 and a molecular weight of 470.36200. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide
Synonym More Synonyms

 ndepap Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description 4-(4-Diethylaminophenylazo)-1-(4-nitrobenzyl)pyridinium bromide is a very stable compound that can be used in the determination of anionic surfactants[1][2].
Related Catalog
References

[1]. Higuchi K, et al. Spectrophotometric determination of anionic surfactants in river waters using 1-(4-nitrobenzyl)-4-(4-diethylaminophenylazo)-pyridinium bromide. Analyst, 1980, 105(1253): 768-773.

[2]. Motomizu S, et al. Solvent extraction-spectrophotometric determination of anionic surfactants with ethyl violet. Analytical Chemistry, 1982, 54(3): 392-397.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Molecular Formula C22H24BrN5O2
Molecular Weight 470.36200
Exact Mass 469.11100
PSA 77.66000
LogP 2.71940
InChIKey SYSMUNIWXNOGPA-UHFFFAOYSA-M
SMILES CCN(CC)c1ccc(N=Nc2cc[n+](Cc3ccc([N+](=O)[O-])cc3)cc2)cc1.[Br-]

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases 22-24/25
RIDADR NONH for all modes of transport
WGK Germany 3

 Articles2

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Solvent extraction-spectrophotometric determination of anionic surfactants with ethyl violet. Shoji M, et.al.

Anal. Chem. 54 (3) , 392-397, (1982)

Higuchi, K., et al.

Analyst 105 , 768, (1980)

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

einecs 278-338-5
MFCD00043197

 ndepap | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the CAS number of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide?
A: CAS number of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide is 75902-86-2.
Q: What is the safety information for N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide?
A: Safety information for N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide: 22-24/25.
Q: What English synonyms does N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide have?
A: English synonyms of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide: einecs 278-338-5, MFCD00043197.
Q: What is the LogP of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide?
A: LogP of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide is 2.71940.
Q: What are the uses of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide?
A: Main uses of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide: 4-(4-Diethylaminophenylazo)-1-(4-nitrobenzyl)pyridinium bromide is a very stable compound that can be used in the determination of anionic surfactants[1][2].
Q: What is the SMILES notation of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide?
A: SMILES notation of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide is CCN(CC)c1ccc(N=Nc2cc[n+](Cc3ccc([N+](=O)[O-])cc3)cc2)cc1.[Br-].
Q: What is the InChIKey of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide?
A: InChIKey of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide is SYSMUNIWXNOGPA-UHFFFAOYSA-M.
Q: What is the English name of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide?
A: The English name of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide is N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide.
Q: What is the molecular formula of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide?
A: Molecular formula of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide is C22H24BrN5O2.
Q: What is the polar surface area (PSA) of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide?
A: Polar surface area (PSA) of N,N-diethyl-4-[[1-[(4-nitrophenyl)methyl]pyridin-1-ium-4-yl]diazenyl]aniline,bromide is 77.66000.

 ndepapfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
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