A0680856
Chromotrope2B , ≥85% , 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 | RMB143.20 | In Stock |
|
| 25g | RMB423.20 | In Stock |
|
| 100g | RMB1007.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 300 °C |
| storage temp. | room temp |
| solubility | water: 10 mg/mL |
| 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 |
| Major Application | diagnostic assay manufacturing hematology histology |
| InChIKey | AXUUHWJXDWBCSG-QIKYXUGXSA-L |
| SMILES | [Na+].[Na+].Oc1cc(cc2cc(c(\N=N\c3ccc(cc3)[N+]([O-])=O)c(O)c12)S([O-])(=O)=O)S([O-])(=O)=O |
| 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.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319 |
| Precautionary statements | P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 |
| PPE | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
| TSCA | TSCA listed |
| Storage Class | 11 - Combustible Solids |
