CAS Number1141-59-9
SynonymsPAR; 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; 4-(Pyridin-2-yldiazenyl)benzene-1,3-diol; 4-(2-PYRIDYLAZO) RESORCINOL; ParIndicatorGr; 4-(2-pyridyldiazenyl)benzene-1,3-diol; (2-PyridylAzo)Resorcinol; P.A.R. Free Acid ACS; 4-[(E)-2-PYRIDYLAZO]BENZENE-1,3-DIOL; 4-(2-Pyridylazo)reso; MFCD00006256; PAR,REAGENT,ACS; 4-(2'-PYRIDYLAZO)-RESORCINOL; EINECS 214-528-6; PAR,Reagent; 4-(2-Pyridylazo)Resorcinol
Molecular FormulaC11H9N3O2
Molecular Weight215.21
Density1.3±0.1 g/cm3
Boiling Point438.2±20.0 °C at 760 mmHg
Melting Point192-202 °C(lit.)
Appearanceorange powder
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 1141-59-9 |
| Catalog No. | 2A-3181816 |
| Chinese Name | 4-(2-吡啶偶氮)间苯二酚 |
| Synonyms | PAR; 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; 4-(Pyridin-2-yldiazenyl)benzene-1,3-diol; 4-(2-PYRIDYLAZO) RESORCINOL; ParIndicatorGr; 4-(2-pyridyldiazenyl)benzene-1,3-diol; (2-PyridylAzo)Resorcinol; P.A.R. Free Acid ACS; 4-[(E)-2-PYRIDYLAZO]BENZENE-1,3-DIOL; 4-(2-Pyridylazo)reso; MFCD00006256; PAR,REAGENT,ACS; 4-(2'-PYRIDYLAZO)-RESORCINOL; EINECS 214-528-6; PAR,Reagent; 4-(2-Pyridylazo)Resorcinol |
| Molecular Formula | C11H9N3O2 |
| Molecular Weight | 215.21 |
| Density | 1.3±0.1 g/cm3 |
| Boiling Point | 438.2±20.0 °C at 760 mmHg |
| Melting Point | 192-202 °C(lit.) |
| Appearance | orange powder |
| Storage Condition | Keep the container sealed and stored in a cool, dr |
| Application | PAR 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 solvents, such |
| HTC | 2933399090 |
| PubChem ID | 430497 |
| SMILES | Oc1ccc(N=Nc2ccccn2)c(O)c1 |
| InChI | InChI=1S/C11H9N3O2/c15-8-4-5-9(10(16)7-8)13-14-11-3-1-2-6-12-11/h1-7,16H,(H,12,14)/b13-9- |
| InChI Key | RJNYNDHYSJRRDW-UHFFFAOYSA-N |
| Bioactivity | PAR 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 Catalog Research 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 Density 1.3±0.1 g/cm3 Boiling Point 438.2±20.0 °C at 760 mmHg Melting Point 192-202 °C(lit.) Molecular Formula C11H9N3O2 Molecular Weight 215.208 Flash Point 218.8±21.8 °C Exact Mass 215.069473 PSA 78.07000 LogP 0.95 Vapour Pressure 0.0±1.1 mmHg at 25°C Index of Refraction 1.652 InChIKey RJNYNDHYSJRRDW-UHFFFAOYSA-N SMILES Oc1ccc(N=Nc2ccccn2)c(O)c1 |
| Use of | PAR 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]. Properties Articles29 Name 4-(2-pyridylazo)resorcinol Synonym More Synonyms 4-(2-Pyridylazo)Resorcinol Biological Activity Description PAR 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 Catalog Research 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 Molecular Formula C11H9N3O2 Exact Mass 215.069473 PSA 78.07000 Index of Refraction 1.652 InChIKey RJNYNDHYSJRRDW-UHFFFAOYSA-N |
| Tax Rebate | 13.0% |
| Supervision | None. MFN tariff: 6.5%. Ordinary tariff: 20.0% |
| Transport Info | Product name: Summary 2933399090. 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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