14513
Sigma
1,2-Bis(2-aminophenoxy)ethane-N,N,N′,N′-tetraacetic acid tetrasodium salt
BioChemika, ≥95% (HPLC)
| Synonym: | BAPTA-Na4, Tetrasodium 1,2-bis(2-aminophenoxy)ethane-N,N,N′,N′-tetraacetate |
| CAS Number: | 126824-24-6 |
| Linear Formula: | C22H20N2Na4O10 |
| Molecular Weight: | 564.36 |
| Beilstein Registry Number: | 8818619 |
| MDL number: | MFCD00067691 |
| PubChem Substance ID: | 24848704 |
Description
| Application | suitable as Ca2+-indicator (fluorescence suppressed by Ca2+) |
| Other Notes | Chelator with a greater selectivity for calcium compared with magnesium (spectrophotometric monitoring):1 |
Properties
| product line | BioChemika |
| assay | ≥95% (HPLC) |
| total impurities | ≤12.5% water |
| solubility | H2O: 10 mg/mL, clear, faintly yellow |
| storage temp. | −20°C |
Safety
| Personal Protective Equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
| WGK Germany | 3 |
References
| Cited Reference | 1. R.Y. Tsien Biochemistry 19, 2396, (1980) Abstract |






