Grundinformationen
- CAS
74-39-5- Standard-SMILES
O=[N+]([O-])c1ccc(N=Nc2ccc(O)cc2O)cc1- InChIKey
NGPGYVQZGRJHFJ-UHFFFAOYSA-N- Summenformel
- C12H9N3O4
- Durchschnittliche Molmasse
- 259,22 g/mol
- Monoisotopische Masse
- 259,05930578
Überblick
4-(4-nitrophenylazo)resorcinol is an azobenzene in which the phenyl rings are 4-nitro- and 2,4-dihydroxy-substituted respectively. It is a member of azobenzenes, a member of resorcinols and a C-nitro compound.
Namen und Bezeichner
- Bevorzugter Name
- Magneson
- IUPAC
- 4-[(4-nitrophenyl)diazenyl]benzene-1,3-diol
- Lokaler Name
- 4-(4-Nitrophenylazo)resorcin
- Englischer Name
- 4-(4-Nitrophenyl)azoresorcinol
- Summenformel
- C12H9N3O4
- Molmasse
- 259.22
Namen und Synonyme
4-(4-Nitrophenylazo)resorcinol74-39-5Magnesonp-DiazovioletAZO VIOLETp-Diazviolet4-(4-Nitrophenyl)azoresorcinolNSC 39141,3-Benzenediol, 4-[(4-nitrophenyl)azo]-p-nitro-4-azoresorcinYND5ZT5BS3AI3-09041
Weitere Namen anzeigen
MagnesonⅠMagnesonⅠMAGNESON IMagnesonIGrMagnesonIiGrMagnesonⅠ, ARMagneson I AR
EINECS 200-808-51,3-Benzenediol, 4-((4-nitrophenyl)azo)-MAGNESON [MI]NSC-3914Resorcinol, 4-((p-nitrophenyl)azo)-1,3-Benzenediol, 4-(2-(4-nitrophenyl)diazenyl)-4-[(E)-(4-nitrophenyl)diazenyl]benzene-1,3-diol1,3-dihydroxy-4-(4-nitrophenylazo)benzene
Datenbank-Bezeichner
- CAS
74-39-5- PubChem CID
- 6320
- DTXSID
DTXSID30861621- ChEMBL
CHEMBL1604790- ChEBI
CHEBI:66930
Eigenschaften
Berechnete Struktureigenschaften
- XLogP
- 2,8
- Polarare Oberfläche (TPSA)
- 111 Ų
- H-Brücken-Donoren
- 2
- H-Brücken-Akzeptoren
- 6
- Frei drehbare Bindungen
- 2
- Schwere Atome
- 19
- Formalladung
- 0
- Komplexität
- 336
Experimentelle und physikochemische Eigenschaften
Chemical ClassesDyes -> Azo Dyes
Physical DescriptionA solid insoluble in water; [Sax]
Physikochemische Eigenschaften
- Schmelzpunkt
- 195 · 195-200 °C (dec.)(lit.)
- Siedepunkt
- 402.47 °C · 402.47°C (rough estimate)
- Dichte
- 1.345 · 1.3450 (rough estimate)
- Brechungsindex
- 1.57 · 1.5700 (estimate)
- storage temp.
- 30 °C · Store below +30°C.
- Aggregatzustand
- Powder
- pka
- 8.05 · 8.05±0.35(Predicted)
- Farbe
- Orange-red to red
- Geruch (Odor)
- Odorless
- Wasserlöslichkeit
- Soluble in dilute sodium hydroxide. Insoluble in water.
- Merck
- 14 · 14,5695
Sicherheit und Regulatorisches
GHS-Klassifizierung
GHS Classification
This chemical does not meet GHS hazard criteria for 4.3% (2 of 46) of reports.
Warning
H315 (95.7%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 46 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Gefahrenhinweise
Hazards SummaryMay cause allergic contact dermatitis; May be toxic by ingestion; [MSDSonline] See Disperse Red 1 (2872-52-8).
Hazard Classes and CategoriesSkin Irrit. 2 (95.7%)
Toxikologische Informationen
Adverse EffectsSkin Sensitizer - An agent that can induce an allergic reaction in the skin.
Sicherheitsdaten
- wgk
- 3
- tsca
- TSCA listed
- hs_code
- 29270000
- RTECS-Nr.
- VH2810000
- risk_code
- 36/38
- hazard_code
- Xi
- safety_code
- 26-36
- Speicherklasse
- 11 - Combustible Solids
Chemie und Industrie
Verwendung und Herstellung
UsesUsed as a pH indicator for titration of nonaqueous solvents; [Ullmann]
General Manufacturing Information1,3-Benzenediol, 4-[2-(4-nitrophenyl)diazenyl]-: ACTIVE
Anwendungen
BeschreibungOxygen 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.
Verwenden4-(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).
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