Specification Sheet
Product Name
2′,7′-Dichlorofluorescein BioReagent, suitable for fluorescence, ≥90% (T)
Product Number
35848
Product Brand
sigma
CAS Number
76-54-0
Molecular Weight
401.20
Test | Specification |
|---|---|
| APPEARANCE (FORM) | Powder |
| TITRATION (T) NAOH 0.1M | ≥ 90 % |
| PURITY (TLC AREA %) | ≥ 85 % |
| SOLUBILITY (COLOR) | Very Faint Brown-Yellow to Very Dark Brown-Yellow to Very Dark Orange |
| SOLUBILITY (TURBIDITY) | Clear to Hazy |
| SOLUBILITY (METHOD) | 0.25G IN 10ML ETHANOL |
| RESIDUE ON IGNITION | ≤ 1.0 % |
| CARBON CONTENT | 59.87 % (THEORY) |
| HYDROGEN CONTENT | 2.51 % (THEORY) |
| INFRARED SPECTRUM | CONFORMS TO STRUCTURE |
| WAVELENGTH (1) (UV) | 505 - 519 nm |
| EXTINCTION (1%/1CM) (1) (UV) | ≥ 2500 |
| SOLVENT (UV) | ETOH+1 DROP 1 M NAOH |
| EMISSION MAXIMUM | 520 - 535 nm |
| REMARKS ON LUMINESCENCE | EXC.: 504 NM IN 0.1 M TRIS PH 8.0 |
| APPLICATION TEST | SUITABLE FOR USE AS AN INDICATOR IN CHLORIDE TITRATIONS |
| ACS SPECIFICATIONS | CORRESPONDS TO REQUIREMENTS |
| RECOMMENDED RETEST PERIOD | 60 MONTHS |