5(6)-Carboxy-2′,7′-dichlorofluorescein
SIGMA/21882 - BioReagent, suitable for fluorescence, ≥95% (TLC)
CAS Number: 111843-78-8
Empirical Formula (Hill Notation): C21H10Cl2O7
Molecular Weight: 445.21
MDL Number: MFCD00037452
Linear Formula: C21H10Cl2O7
Product Type: Chemical
| assay | ≥95% (TLC) |
| fluorescence | λex 504 nm; λem 529 nm in 0.1 M Tris pH 8.0 |
| form | solid |
| InChI | 1S/2C21H10Cl2O7/c22-13-4- |
| InChI key | WHFHRELKGQJJBQ-UHFFFAOYSA |
| mp | ≥250 °C (lit.) |
| pKa | 5.1 |
| product line | BioReagent |
| Quality Level | 100 ![]() |
| SMILES string | OC(=O)c1ccc(c(c1)C(O)=O)C |
| solubility | DMF: soluble |
| DMSO: soluble | |
| H2O: soluble (pH ≥ 5) | |
| suitability | suitable for fluorescence |
| Application: | 5(6)-Carboxy-2′,7′-dichlo |
| Application: | suitable as pH-indicator |
| Other Notes: | Fluorescent intracellular pH indicator in the pH 4-5 range |
| Symbol | GHS07 |
| Signal word | Warning |
| Hazard statements | H315 - H319 - H335 |
| Precautionary statements | P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥95% (TLC) |
| mp | ≥250 °C (lit.) |
| UNSPSC | 12352108 |


