A2251012
Chromotrope 2B , 97% , 548-80-1
Synonym(s):
2-(4-Nitrophenylazo)chromotropic acid disodium salt;Acid Red 176
CAS NO.：548-80-1
Empirical Formula: C16H9N3Na2O10S2
Molecular Weight: 513.37
MDL number: MFCD00003951
EINECS: 208-959-9
| Pack Size | Price | Stock | Quantity |
| 5G | RMB175.20 | In Stock |
|
| 25G | RMB719.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 300 °C |
| storage temp. | room temp |
| form | Crystalline Powder |
| Colour Index | 16575 |
| color | Dark green to dark purple |
| Water Solubility | water: 10mg/mL |
| ε(extinction coefficient) | ≥500 at 509-519nm in water |
| Merck | 14,2240 |
| BRN | 4109733 |
| CAS DataBase Reference | 548-80-1(CAS DataBase Reference) |
| EPA Substance Registry System | 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-nitrophenyl)azo]-, disodium salt (548-80-1) |
Description and Uses
Chromotrope 2B is a chromotropic acid azo dye and a groundwater pollutant removed from the environment via photoelectrochemical mineralization.
