Bromocresol Purple Sodium Salt Molecular Biology
-
CAS :
62625-30-3
-
REF :
24619
-
| QUANTITY |
PRICE |
ENQUIRY |
|
25 gm |
Rs
2300.00
|
|
- Formula: C₂₁H₁₅Br₂O₅SNa (Sodium salt of 5',5''-Dibromo-o-cresolsulfonphthalein)
- CAS: 62625-30-3
- EC No.: 263-572-3
- M (Molar Mass): 562.20 g/mol
- D (Density): Not applicable
- mp (Melting Point): >250°C (decomposes)
- bp (Boiling Point): Not applicable
- Optical Rotation: Not applicable
- Dye Content (Spectrophotometry): ≥ 90.0 %
- Appearance: Purple to reddish-purple powder.
- Solubility: Soluble in water, giving a purple solution.
- pH Transition Range: Yellow 5.2 – 6.8 Purple.
- Absorbance (0.04% in water):
- λmax (acidic form): ~433 nm
- λmax (basic form): ~591 nm
- A₅₉₁/A₄₃₃ ratio: within specified batch range.
- Water Content (Karl Fischer): ≤ 5.0 %
- Residue on Ignition: 10.0 – 13.0 % (as sodium salt).
- Heavy Metals (as Pb): ≤ 20 ppm
- DNase, RNase, Protease Activity: Not detected.
- Gel Electrophoresis Suitability: Does not interfere with DNA/RNA migration or staining.
- pH Indicator Performance: Clear color change in appropriate buffers.