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4-(4-NITROPHENYLAZO)-1-NAPHTHOL

4-(4-NITROPHENYLAZO)-1-NAPHTHOL structure

CAS No.: 5290-62-0

Chemical Name:: 4-(4-NITROPHENYLAZO)-1-NAPHTHOL

Synonyms: MagnesonⅡ;Magneson 2;Magnezon II;MAGNESON II;MagnesoneII;α-Naphthol magneson;MagnesiuM reagent Ⅱ;Magnesium reagent II;LABOTEST-BB LT00451868;ALPHA-NAPHTHOL MAGNESON

CBNumber:: CB2478618

Molecular Formula:: C16H11N3O3

Molecular Weight:: 293.28

MDL Number:: MFCD00003975

MOL File:: 5290-62-0.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 00:52:17

Product description	Number	Pack Size	Price
4-(4-Nitrophenylazo)-1-naphthol for synthesis	8.41435	10g	$175
4-(4-Nitrophenylazo)-1-naphthol	N0134	25g	$44
4-((4-Nitrophenyl)diazenyl)naphthalen-1-ol 75%	BD-A389765	25g	$22
4-((4-Nitrophenyl)diazenyl)naphthalen-1-ol 75%	BD-A389765	100g	$64
4-(4-Nitrophenylazo)-1-naphthol 97%	MT-19953	500g	$488
More product size

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4-(4-NITROPHENYLAZO)-1-NAPHTHOL Properties

Melting point	270 °C (dec.)(lit.)
Boiling point	435.13°C (rough estimate)
Density	1.2211 (rough estimate)
refractive index	1.6500 (estimate)
storage temp.	Store below +30°C.
pka	8.19±0.40(Predicted)
form	Powder
color	Red-brown
BRN	961660
Stability	Stable. Incompatible with strong oxidizing agents, strong bases.
InChI	1S/C16H11N3O3/c20-16-10-9-15(13-3-1-2-4-14(13)16)18-17-11-5-7-12(8-6-11)19(21)22/h1-10,17H/b18-15+
InChIKey	UYDXOFSMBKSLPM-OBGWFSINSA-N
SMILES	[N+](=O)([O-])c1ccc(cc1)N\N=C2\c3c(cccc3)C(=O)C=C\2
CAS DataBase Reference	5290-62-0(CAS DataBase Reference)
EWG's Food Scores	1
EPA Substance Registry System	1-Naphthalenol, 4-[(4-nitrophenyl)azo]- (5290-62-0)
UNSPSC Code	12352104
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P305+P351+P338

target organs

Respiratory system

Hazard Codes

Xi,C,F

Risk Statements

36/37/38-34-11

Safety Statements

22-24/25-26-36-45-36/37/39-16

RIDADR

3236

WGK Germany

RTECS

QL4510100

TSCA

TSCA listed

HS Code

29270000

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

NFPA 704

	1
2		0

4-(4-NITROPHENYLAZO)-1-NAPHTHOL price More Price(18)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	8.41435	4-(4-Nitrophenylazo)-1-naphthol for synthesis	5290-62-0	10g	$175	2026-04-30	Buy
TCI Chemical	N0134	4-(4-Nitrophenylazo)-1-naphthol	5290-62-0	25g	$44	2021-12-16	Buy
Arctom	BD-A389765	4-((4-Nitrophenyl)diazenyl)naphthalen-1-ol 75%	5290-62-0	25g	$22	2026-05-26	Buy
Arctom	BD-A389765	4-((4-Nitrophenyl)diazenyl)naphthalen-1-ol 75%	5290-62-0	100g	$64	2026-05-26	Buy
AHH	MT-19953	4-(4-Nitrophenylazo)-1-naphthol 97%		500g	$488	2026-05-26	Buy

Product number	Packaging	Price	Buy
8.41435	10g	$175	Buy
N0134	25g	$44	Buy
BD-A389765	25g	$22	Buy
BD-A389765	100g	$64	Buy
MT-19953	500g	$488	Buy

4-(4-NITROPHENYLAZO)-1-NAPHTHOL Chemical Properties,Uses,Production

Chemical Properties

orange to brown powder or crystals

Uses

4-(4-Nitrophenylazo)-1-naphthol is a reagent used for the determination of Mg.

4-(4-NITROPHENYLAZO)-1-NAPHTHOL Preparation Products And Raw materials

Raw materials

Preparation Products

4-(4-NITROPHENYLAZO)-1-NAPHTHOL Suppliers

Global( 195)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29815	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
ANHUI WITOP BIOTECH CO., LTD	+8615255079626	eric@witopchemical.com	China	23541	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52705	58
CD Chemical Group Limited	+8615986615575	info@codchem.com	China	17259	58
Henan Alfa Chemical Co., Ltd	+8615838112936	sale03@alfachem.cn	China	9798	58
Shaanxi Didu New Materials Co. Ltd	+8617792793228	1069@dideu.com	China	8530	58
HANGZHOU LEAP CHEM CO., LTD.	+86-571-87711850	market18@leapchem.com	China	24597	58
Hangzhou MolCore BioPharmatech Co.,Ltd.	+86-057181025280; +8617767106207	sales@molcore.com	China	49734	58
GIHI CHEMICALS CO.,LIMITED	+86-571-86217390; +8618058761490	info@gihichemicals.com	China	49968	58

Supplier	Advantage
career henan chemical co	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
ANHUI WITOP BIOTECH CO., LTD	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
CD Chemical Group Limited	58
Henan Alfa Chemical Co., Ltd	58
Shaanxi Didu New Materials Co. Ltd	58
HANGZHOU LEAP CHEM CO., LTD.	58
Hangzhou MolCore BioPharmatech Co.,Ltd.	58
GIHI CHEMICALS CO.,LIMITED	58

View Lastest Price from 4-(4-NITROPHENYLAZO)-1-NAPHTHOL manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2019-07-06	4-(4-NITROPHENYLAZO)-1-NAPHTHOL 5290-62-0	US $1.00 / kg	1kg	95%-99%	100kg	Career Henan Chemical Co

4-(4-NITROPHENYLAZO)-1-NAPHTHOL
5290-62-0
US $1.00 / kg
95%-99%
Career Henan Chemical Co

4-(4-NITROPHENYLAZO)-1-NAPHTHOL Spectrum

4-(4-NITROPHENYLAZO)-1-NAPHTHOL(5290-62-0)MS 4-(4-NITROPHENYLAZO)-1-NAPHTHOL(5290-62-0)IR1 4-(4-NITROPHENYLAZO)-1-NAPHTHOL(5290-62-0)IR2

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4'-NITROBENZENE-AZO-1-NAPHTHOL 4-(P-NITROBENZENEAZO)-ALPHA-NAPHTHOL 4-(P-NITROPHENYLAZO)-1-NAPHTHOL 4-(4-NITROPHENYLAZO)-1-NAPHTHOL P-NITROBENZENEAZO-A-NAPHTHOL 4-[(E)-(4-Nitrophenyl)diazenyl]-1-naphthol 4-Nitrophenylazo-4'-(1-naphthol) Magnezon II p-Nitrophenylazo-alpha-naphthol 1-Naphthalenol, 4-[(4-nitrophenyl)azo]- 1-Naphthol, 4-((p-nitrophenyl)azo)- 4-((4-nitrophenyl)azo)-1-naphthaleno 4-((p-nitrophenyl)azo)-1-naphtho 4-[(4-nitrophenyl)azo]-1-naphthaleno 4-[(4-nitrophenyl)azo]-1-Naphthalenol 1-(4-Nitrophenylazo)-4-naphthol MAGNESON II LABOTEST-BB LT00451868 ALPHA-NAPHTHOL MAGNESON 4-(4-Nitrophenylazo)-1-naphthol, AR 4-(4-Nitrophenylalzo)-1-naphthol 4-(4-NITROPHENYLAZO)-1-NAPHTHOL, FOR THE DETERMINATION OF MG MagnesoneII 4-(4-Nitrophenylazo)naphthalen-1-ol 4-[(4-Nitrophenyl)azo]naphthalene-1-ol Magneson 2 α-Naphthol magneson 4-(4-Nitrophenylazo)-1-naphthol,99% MagnesonⅡ 4-(4-Nitrophenylazo)-1-naphthol[Magneson II] Magneson II alpha-Naphthol Magneson 4-((4-Nitrophenyl)diazenyl)naphthalen-1-ol MagnesiuM reagent Ⅱ 1-Naphthalenol,4-[2-(4-nitrophenyl)diazenyl]- 4-[(4-nitrophenyl)diazenyl]-1-naphthol 4-(4-NITROPHENYLAZO)-1-NAPHTHOL FOR SYNT Magneson II, GR indicator 4-(4-Nitrophenylazo)-1-naphthol，90% 4-((4-Nitrophenyl)diazenyl)phthalen-1-ol Magnesium reagent II 5290-62-0 C16H11N3O3 Indicators Metal Titration Indicators Titration Analytical Chromatography Product Catalog