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4-(4-Nitrophenyl)azoresorcinol

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Products Intro: Product Name:4-(4-Nitrophenyl)azoresorcinol
CAS:74-39-5
Purity:98.0% Package:1KG;0.1USD
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Products Intro: Product Name:4-(4-Nitrophenylazo)resorcinol
CAS:74-39-5
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CAS:74-39-5
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CAS:74-39-5
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Products Intro: Product Name:Magneson
CAS:74-39-5
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4-(4-Nitrophenyl)azoresorcinol manufacturers

4-(4-Nitrophenyl)azoresorcinol Basic information
Description
Product Name:4-(4-Nitrophenyl)azoresorcinol
Synonyms: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
CAS:74-39-5
MF:C12H9N3O4
MW:259.22
EINECS:200-808-5
Product Categories:Analytical Chemistry;Azo Compounds;Azobennzenes, etc. (Chelating Reagents);Chelating Reagents
Mol File:74-39-5.mol
4-(4-Nitrophenyl)azoresorcinol Structure
4-(4-Nitrophenyl)azoresorcinol Chemical 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
pka8.05±0.35(Predicted)
color Orange-red to red
OdorOdorless
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 Reference74-39-5(CAS DataBase Reference)
EPA Substance Registry System1,3-Benzenediol, 4-[(4-nitrophenyl)azo]- (74-39-5)
Safety Information
Hazard Codes Xi
Risk Statements 36/38
Safety Statements 26-36
WGK Germany 3
RTECS VH2810000
TSCA Yes
HS Code 29270000
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
ALFA English
4-(4-Nitrophenyl)azoresorcinol Usage And Synthesis
DescriptionOxygen violet can be prepared by one-step reaction of p-nitroaniline and 1,3-benzenediol. Azo violet can be used to prepare an azobenzene photochromic liquid crystal compound. Photochromic liquid crystal compounds have both photochromic properties and liquid crystallinity, which has become a research hotspot in the field of information storage. Azobenzene-based liquid crystals are the most interesting photochromic liquid crystal materials in recent years due to their unique photoinduced cis-trans isomerism. Azobenzene compounds undergo reversible cis-trans isomerization under the action of light, which makes them have great potential applications in many aspects such as optical storage, photo-holography and optical information processing.
Chemical Propertiesdark red to brown crystalline powder
Uses4-(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).
UsesIt is a derivitized resorcinol dye compound with an absorption maximum of 432 nm. Used as a pH indicator.
DefinitionChEBI: An azobenzene in which the phenyl rings are 4-nitro- and 2,4-dihydroxy-substituted respectively.
Biochem/physiol Actions4-(4-Nitrophenylazo)resorcinol is a pH indicator.
Purification MethodsCrystallise the dye from EtOH. [Beilstein 16 H 181, 16 IV 1266.]
4-(4-Nitrophenyl)azoresorcinol Preparation Products And Raw materials
Raw materialsResorcinol-->N-Methyl-4-nitroaniline
Tag:4-(4-Nitrophenyl)azoresorcinol(74-39-5) Related Product Information
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