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4-(4-Nitrophenyl)azoresorcinol

CAS No.: 74-39-5

Chemical Name:: 4-(4-Nitrophenyl)azoresorcinol

Synonyms: MAGNESON;MagnesonⅠ;AZO VIOLET;MAGNESON I;MagnesonIGr;MagnesonIiGr;p-diazviolet;MagnesonⅠ, AR;AZOVIOLET BENZENE;TIMTEC-BB SBB008851

CBNumber:: CB0106591

Molecular Formula:: C12H9N3O4

Molecular Weight:: 259.22

MOL File:: 74-39-5.mol

MSDS File:: SDS

Modify Date:: 2024/8/8 13:40:43

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4-(4-Nitrophenyl)azoresorcinol Properties

Melting point	195-200 °C (dec.)(lit.)
Boiling point	402.47°C (rough estimate)
Density	1.3450 (rough estimate)
refractive index	1.5700 (estimate)
storage temp.	Store below +30°C.
form	Powder
pka	8.05±0.35(Predicted)
color	Orange-red to red
Odor	Odorless
Water Solubility	Soluble in dilute sodium hydroxide. Insoluble in water.
Merck	14,5695
BRN	674709
Stability	Stable. Incompatible with strong oxidizing agents, strong bases.
CAS DataBase Reference	74-39-5(CAS DataBase Reference)
EPA Substance Registry System	1,3-Benzenediol, 4-[(4-nitrophenyl)azo]- (74-39-5)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P280a-P304+P340-P305+P351+P338-P405-P501a

Hazard Codes

Risk Statements

36/38

Safety Statements

26-36

WGK Germany

RTECS

VH2810000

TSCA

Yes

HS Code

29270000

NFPA 704

	1
2		0

4-(4-Nitrophenyl)azoresorcinol price More Price(11)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich(India)	114669	4-(4-Nitrophenylazo)resorcinol Dye content 90?%	74-39-5	25G	₹2857.8	2022-06-14	Buy
Sigma-Aldrich(India)	8.41713	4-(4-Nitrophenylazo)-resorcinol for synthesis	74-39-5	25G	₹12040	2022-06-14	Buy
Sigma-Aldrich(India)	114669	4-(4-Nitrophenylazo)resorcinol Dye content 90?%	74-39-5	100G	₹9969.83	2022-06-14	Buy
ALFA India	ALF-A12232-36	4-(4-Nitrophenylazo)resorcinol, 90+%	74-39-5	500g	₹47698	2022-05-26	Buy
ALFA India	ALF-A12232-22	4-(4-Nitrophenylazo)resorcinol, 90+%	74-39-5	100g	₹7947	2022-05-26	Buy

Product number	Packaging	Price	Buy
114669	25G	₹2857.8	Buy
8.41713	25G	₹12040	Buy
114669	100G	₹9969.83	Buy
ALF-A12232-36	500g	₹47698	Buy
ALF-A12232-22	100g	₹7947	Buy

4-(4-Nitrophenyl)azoresorcinol Chemical Properties,Uses,Production

Chemical Properties

dark red to brown crystalline powder

Uses

4-(4-Nitrophenyl)azoresorcinol is used for the detection of magnesium with which it yields a bright blue color in alkaline solution and it also used to determine molybdenum with which it forms a red-violet complex: Nikitina, Andrianova, C.A. 75, 136789v (1971).

Definition

ChEBI: An azobenzene in which the phenyl rings are 4-nitro- and 2,4-dihydroxy-substituted respectively.

Purification Methods

Crystallise the dye from EtOH. [Beilstein 16 H 181, 16 IV 1266.]

4-(4-Nitrophenyl)azoresorcinol Preparation Products And Raw materials

Raw materials

N-Methyl-4-nitroaniline Resorcinol

Preparation Products

4-(4-Nitrophenyl)azoresorcinol Suppliers

Global( 230)Suppliers

Supplier	Tel	Country	ProdList	Advantage	Inquiry
CHEMSWORTH	+91-261-2397244	New Delhi, India	6707	30	Inquiry
Scientific OEM	+91-22- 2343 7546 / 2341 3094	New Delhi, India	1996	38	Inquiry
ALPHA CHEMIKA	+91-22-22061123 +91-22-66382501	Mumbai, India	1681	43	Inquiry
Otto Chemie Pvt. Ltd.	+91 9820041841	Mumbai, India	5873	58	Inquiry
TCI Chemicals (India) Pvt. Ltd.	1800 425 7889	New Delhi, India	6778	58	Inquiry
Alfa Aesar	1 800 209 7001	Maharashtra, India	6913	58	Inquiry
Central Drug House(P) Ltd.	91-11-49404040	New Delhi, India	6160	58	Inquiry
Anand Agencies	91-20-24454597	Maharashtra, India	2337	58	Inquiry
Loba Chemie Pvt., Ltd.	91-22-66636663	Maharashtra, India	766	58	Inquiry
Magnil Dye Chem	09920920962	Mumbai, India	48	58	Inquiry

Supplier	Advantage
CHEMSWORTH	30
Scientific OEM	38
ALPHA CHEMIKA	43
Otto Chemie Pvt. Ltd.	58
TCI Chemicals (India) Pvt. Ltd.	58
Alfa Aesar	58
Central Drug House(P) Ltd.	58
Anand Agencies	58
Loba Chemie Pvt., Ltd.	58
Magnil Dye Chem	58

4-(4-Nitrophenyl)azoresorcinol Spectrum

4-(4-Nitrophenyl)azoresorcinol(74-39-5)MS 4-(4-Nitrophenyl)azoresorcinol(74-39-5)¹HNMR 4-(4-Nitrophenyl)azoresorcinol(74-39-5)¹³CNMR 4-(4-Nitrophenyl)azoresorcinol(74-39-5)IR1

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3-Benzenediol,4-[(4-nitrophenyl)azo]-1 MagnesonⅠ 1,3-Benzenediol,4-[(4-nitrophenyl)azo]- 2,4-Dihydroxy-4-nitroazobenzene MAGNESON MAGNESON I LABOTEST-BB LT00455004 AZO VIOLET AZOVIOLET BENZENE 4-(4'-NITROPHENYLAZO)-RESORCINOL 4-(4-NITROPHENYLAZO)RESORCINOL 4-(P-NITROBENZENEAZO)RESORCINOL 4-(P-NITROPHENYLAZO)ORCINOL 4-(P-NITROPHENYLAZO)RESORCINOL P-NITROBENZENEAZORESORCINOL TIMTEC-BB SBB008851 4-(4-NITROPHENYLAZO)RESORCINOL, FOR THE DETERMINATION OF MG 4-(4-NITROPHENYLAZO)-RESORCINOL ADSORPTI ON INDICATOR MagnesonIiGr 4-(4-Nitrophenylazo)-ResorcinolA.R. MagnesonIGr 4-(4-Nitrophenylazo)resorcinol, 98+% 4-(4-Nitrophenylazo)resorcinol, dye content ca 90% PARA-NITROPHENYLAZORESORCINOL Azoviolet, Magneson I 4-[(4-nitrophenyl)diazenyl]-1,3-benzenediol 4-(4-Nitrophenylazo)resorcinol,dye content ca90% p-Nitroazobenzene-2,4-diol o-p-Dihydroxyazo-p-nitrobenzene 4-(4-NITROPHENYLAZO) MagnesonⅠ[4-(4-Nitrophenylazo)resorcinol] Resorcinazo-p-nitrobenzene Azo Violet 4-(4-Nitrophenylazo)resorcinol MagnesiuM Reagents Ⅰ 4-((4-Nitrophenyl)diazenyl)benzene-1,3-diol (E)-4-((4-nitrophenyl)diazenyl)benzene-1,3-diol 4-((4-nitrophenyl)azo)-3-benzenediol 4-((p-nitrophenyl)azo)-resorcino 4-[(4-Nitrophenyl)azo]-1,3-benzenediol 4-[(4-nitrophenyl)azo]-3-benzenediol p-diazviolet 4-(4-Nitrophenylazo)resorcinol, for analysis 4-(p-NITROPHENYLAZO)-RESORCINOL4-(p-NITROPHENYLAZO)-RESORCINOL4-(p-NITROPHENYLAZO)-RESORCINOL Azo violet indicator solution MagnesonⅠ, AR 0.2w/v% Azoviolet Benzene Solution 4-(4-NITROPHENYLAZO)-RESORCINOL FOR SYNT 1,3-Benzenediol, 4-[2-(4-nitrophenyl)diazenyl]- Azo Violet Indicator Magneson I, GR indicator 74-39-5 C12H9N3O4 NO2C6H4NNC6H3OH2 O2NC6H4N2C6H3OH2 O2NC6H4NNC6H313OH2 Indicators Titration Azobennzenes, etc. (Chelating Reagents)