CAS 1141-59-9|4-(2-Pyridylazo)Resorcinol

Introduction:Basic information about CAS 1141-59-9|4-(2-Pyridylazo)Resorcinol, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Common Name4-(2-Pyridylazo)Resorcinol
CAS Number1141-59-9Molecular Weight215.208
Density1.3±0.1 g/cm3Boiling Point438.2±20.0 °C at 760 mmHg
Molecular FormulaC11H9N3O2Melting Point192-202 °C(lit.)
MSDSChineseUSAFlash Point218.8±21.8 °C
Symbol
GHS07
Signal WordWarning

Names

Name4-(2-pyridylazo)resorcinol
SynonymMore Synonyms

4-(2-Pyridylazo)Resorcinol BiologicalActivity

DescriptionPAR is an azo dye widely used as a colorimetric reagent for metal ions. PAR forms stable chelates with different metal ions. PAR can also complex with heavy metal ions in polar organic solvent like ethanol[1].
Related CatalogResearch Areas >>Others
References

[1]. Zhou X, et al. 4-(2-Pyridylazo)-resorcinol Functionalized Thermosensitive Ionic Microgels for Optical Detection of Heavy Metal Ions at Nanomolar Level. ACS Appl Mater Interfaces. 2015 Oct 7;7(39):21966-74.  

Chemical & Physical Properties

Density1.3±0.1 g/cm3
Boiling Point438.2±20.0 °C at 760 mmHg
Melting Point192-202 °C(lit.)
Molecular FormulaC11H9N3O2
Molecular Weight215.208
Flash Point218.8±21.8 °C
Exact Mass215.069473
PSA78.07000
LogP0.95
Vapour Pressure0.0±1.1 mmHg at 25°C
Index of Refraction1.652
InChIKeyRJNYNDHYSJRRDW-UHFFFAOYSA-N
SMILESOc1ccc(N=Nc2ccccn2)c(O)c1

Safety Information

Symbol
GHS07
Signal WordWarning
Hazard StatementsH315-H319-H335
Precautionary StatementsP261-P305 + P351 + P338
Personal Protective Equipmentdust mask type N95 (US);Eyeshields;Gloves
Hazard CodesXi
Risk PhrasesR36/37/38
Safety PhrasesS26-S36
RIDADRNONH for all modes of transport
WGK Germany3
HS Code2933399090

Customs

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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Synonyms

PAR
4-(2'-PYRIDYLAZO)-RESORCINOL FOR SYNTHESIS
4-(2-pyridin-2-yldiazenyl)benzene-1,3-diol
4-(2-PYRIDYLAZO)-RESORCIN
4-[(E)-2-Pyridinyldiazenyl]-1,3-benzenediol
4-[(E)-Pyridin-2-yldiazenyl]benzene-1,3-diol
1,3-BENZENEDIOL,4-[2-(2-PYRIDINYL)DIAZENYL]-
4-(Pyridin-2-yldiazenyl)benzene-1,3-diol
4-(2-PYRIDYLAZO) RESORCINOL
ParIndicatorGr
4-(2-pyridyldiazenyl)benzene-1,3-diol
resorcinol, 4-(2-pyridylazo)-
(2-PyridylAzo)Resorcinol
P.A.R. Free Acid ACS
1,3-Benzenediol, 4-[(E)-2-(2-pyridinyl)diazenyl]-
4-[(E)-2-PYRIDYLAZO]BENZENE-1,3-DIOL
4-(2-Pyridylazo)reso
MFCD00006256
PAR,REAGENT,ACS
1,3-Benzenediol, 4-(2-pyridinylazo)-
4-(2'-PYRIDYLAZO)-RESORCINOL
EINECS 214-528-6
PAR,Reagent
4-(2-Pyridylazo)Resorcinol
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