(4Z)-3-hydroxy-4-(pyridin-2-ylhydrazono)cyclohexa-2,5-dien-1-one
4-(2-pyridylazo)resorcinol
CAS: 1141-59-9
Molecular Formula: C11H9N3O2
(4Z)-3-hydroxy-4-(pyridin-2-ylhydrazono)cyclohexa-2,5-dien-1-one - Names and Identifiers
(4Z)-3-hydroxy-4-(pyridin-2-ylhydrazono)cyclohexa-2,5-dien-1-one - Physico-chemical Properties
| Molecular Formula | C11H9N3O2 |
| Molar Mass | 215.21 |
| Density | 1.2579 (rough estimate) |
| Melting Point | 192-202°C(lit.) |
| Boling Point | 355.48°C (rough estimate) |
| Flash Point | 218.8°C |
| Water Solubility | Soluble in water (partly), and ethanol (slightly). Insoluble in ether, and low-polarity solvents. |
| Solubility | Slightly soluble in water, soluble in alcohol and ether, easily soluble in acidic and alkaline aqueous solutions, and its sodium salt is easily soluble in water |
| Vapor Presure | 2.73E-08mmHg at 25°C |
| Appearance | Brown or orange powder |
| Color | Orange |
| BRN | 184665 |
| pKa | 8.18±0.35(Predicted) |
| Storage Condition | room temp |
| Refractive Index | 1.4930 (estimate) |
| MDL | MFCD00006256 |
| Use | This product is for scientific research only and shall not be used for other purposes. |
(4Z)-3-hydroxy-4-(pyridin-2-ylhydrazono)cyclohexa-2,5-dien-1-one - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| UN IDs | 2811 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29333990 |
| Hazard Class | 6.1 |
| Packing Group | III |
(4Z)-3-hydroxy-4-(pyridin-2-ylhydrazono)cyclohexa-2,5-dien-1-one - Introduction
Complexometric titration indicator, determination of bismuth, cadmium, copper, gallium, mercury, indium, manganese, nickel, lead, thorium, thallium (III), zinc, lanthanide ions, etc. Photometric determination of bismuth, cobalt, copper, gallium, indium, lanthanide, manganese, molybdenum, niobium, nickel, neptunium, osmium, lead, palladium, rhodium, ruthenium, scandium, tantalum, thallium (III), titanium, uranium and vanadium.
Last Update：2022-10-16 17:12:20
(4Z)-3-hydroxy-4-(pyridin-2-ylhydrazono)cyclohexa-2,5-dien-1-one - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| uses | reagents for photometric determination of transition metals, such as Bi3, Co2, Fe3, Pd 2, Ni2, NbO, In3, La3, Tn4, plasma developer. EDTA combined with titration to determine Al3, Bi3, Ca3, Cu2, Ga7 and other metal indicators, lead nitrate solution precipitation titration MoO, PO, WO and other indicators. |
Last Update：2024-04-10 22:29:15
Supplier List
Spot supply
Product Name: 4-(2-pyridylazo)resorcinol Request for quotationCAS: 1141-59-9
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3785839865
Spot supply
Product Name: PAR Visit Supplier Webpage Request for quotationCAS: 1141-59-9
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
Spot supply
Product Name: 4-(2-pyridylazo)resorcinol Request for quotationCAS: 1141-59-9
Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3785839865
Spot supply
Product Name: PAR Visit Supplier Webpage Request for quotationCAS: 1141-59-9
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
View History