ChemicalBook > CAS DataBase List > 4-(4-Nitrophenyl)azoresorcinol

4-(4-Nitrophenyl)azoresorcinol

4-(4-Nitrophenyl)azoresorcinol  Structure
4-(4-Nitrophenyl)azoresorcinol
  • CAS No.74-39-5
  • Chemical Name:4-(4-Nitrophenyl)azoresorcinol
  • CBNumber:CB0106591
  • Molecular Formula:C12H9N3O4
  • Formula Weight:259.22
  • MOL File:74-39-5.mol
  • MSDS File:SDS
4-(4-Nitrophenyl)azoresorcinol Property
  • 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.
  • pka 8.05±0.35(Predicted)
  • form Powder
  • 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)
  • FDA UNII YND5ZT5BS3
  • EPA Substance Registry System 1,3-Benzenediol, 4-[(4-nitrophenyl)azo]- (74-39-5)
Safety
  • Hazard Codes  :Xi
  • Risk Statements  :36/38
  • Safety Statements  :26-36
  • WGK Germany  :3
  • RTECS  :VH2810000
  • TSCA  :Yes
  • HS Code  :29270000
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H315-H319-H335
  • Precautionary statements P261-P280a-P304+P340-P305+P351+P338-P405-P501a
4-(4-Nitrophenyl)azoresorcinol Price More Price(17)
  • Brand: Sigma-Aldrich
  • Product number: 114669
  • Product name : 4-(4-Nitrophenylazo)resorcinol
  • Purity: Dye content 90%
  • Packaging: 25g
  • Price: $58.7
  • Updated: 2022/05/15
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 8.41713
  • Product name : 4-(4-Nitrophenylazo)-resorcinol
  • Purity: for synthesis
  • Packaging: 25G
  • Price: $125
  • Updated: 2022/05/15
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 114669
  • Product name : 4-(4-Nitrophenylazo)resorcinol
  • Purity: Dye content 90%
  • Packaging: 100g
  • Price: $191
  • Updated: 2022/05/15
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: N0135
  • Product name : Magneson
  • Purity: 
  • Packaging: 1g
  • Price: $17
  • Updated: 2022/04/27
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: N0135
  • Product name : Magneson
  • Purity: 
  • Packaging: 25g
  • Price: $35
  • Updated: 2022/04/27
  • Buy: Buy

4-(4-Nitrophenyl)azoresorcinol Chemical Properties,Usage,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).
  • Uses It is a derivitized resorcinol dye compound with an absorption maximum of 432 nm. Used as a pH indicator.
  • Definition ChEBI: An azobenzene in which the phenyl rings are 4-nitro- and 2,4-dihydroxy-substituted respectively.
  • Biochem/physiol Actions 4-(4-Nitrophenylazo)resorcinol is a pH indicator.
  • 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
Preparation Products
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4-(4-Nitrophenyl)azoresorcinol Spectrum
74-39-5, 4-(4-Nitrophenyl)azoresorcinol Related Search:
  • 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
  • 4-(4-Nitrophenylazo)resorcinol, for analysis
  • (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-(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)