21882
Sigma
5(6)-Carboxy-2′,7′-dichlorofluorescein
BioChemika, for fluorescence, ≥95% (TLC)
| CAS Number: | 111843-78-8 |
| Linear Formula: | C21H10Cl2O7 |
| Molecular Weight: | 445.21 |
| MDL number: | MFCD00037452 |
| PubChem Substance ID: | 24853090 |
Description
| Application | suitable as pH-indicator |
| Other Notes | Fluorescent intracellular pH indicator in the pH 4-5 range1 |
Properties
| grade | for fluorescence |
| product line | BioChemika |
| assay | ≥95% (TLC) |
| fluorescence | λex 504 nm; λem 529 nm in 0.1 M Tris pH 8.0 |
| pKa | 5.1 |
| mp | ≥250 °C(lit.) |
| solubility | DMF: soluble |
| DMSO: soluble | |
| H2O: pH ≥ 5soluble |
Safety
| Personal Protective Equipment | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
References
| Cited Reference | 1. M. Nedergaard et al. Anal. Biochem. 187, 109, (1990) Abstract |
