A6666612
4-(2-Pyridylazo)resorcinol monosodium salt , 97% , 16593-81-0
Synonym(s):
4-(2-Pyridylazo)resorcinol monosodium salt monohydrate;PAR;PAR monosodium salt hydrate
CAS NO.：16593-81-0
Empirical Formula: C11H10N3NaO3
Molecular Weight: 255.21
MDL number: MFCD00150712
EINECS: 629-305-2
| Pack Size | Price | Stock | Quantity |
| 1G | RMB94.40 | In Stock |
|
| 5G | RMB477.60 | In Stock |
|
| 25G | RMB1904.00 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | >300°C |
| bulk density | 630kg/m3 |
| storage temp. | Store at +5°C to +30°C. |
| solubility | 38g/l |
| form | Crystalline Powder |
| color | Orange-brown to brownish |
| Odor | Odorless |
| PH | 9.8 (10g/l, H2O, 20℃) |
| Water Solubility | Soluble in water |
| λmax | 411 nm |
| BRN | 3825637 |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong bases, strong acids, acid chlorides, acid anhydrides. |
| CAS DataBase Reference | 16593-81-0(CAS DataBase Reference) |
| EPA Substance Registry System | 1,3-Benzenediol, 4-(2-pyridinylazo)-, monosodium salt, monohydrate (16593-81-0) |
Description and Uses
4-(2-Pyridylazo)resorcinol monosodium salt hydrate has been used in the preparation of titanium reagent for the spectrometric measurement of hydrogen peroxide (H2O2) and superoxide anion (O2?-). It is also suitable to measure the concentration of Zn2+, Zinc transition metal ions.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
| HS Code | 29333999 |
