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$35.00
Sku: AB0016-25g
Availability:
AVAILABLE
In stock & estimated to ship in 3-7 days by September 17, 2026
Description
Alkali Blue 6B is a synthetic acid-base indicator supplied as a dark blue powder. It provides a visible color transition from blue at approximately pH 9.4 to red at approximately pH 14.0, making it suitable for strongly alkaline pH indication, acid-base titrations, and related laboratory analysis.
This indicator-grade reagent has an assay of ≥80% and produces a dark blue solution when dissolved in methanol at 1 mg/mL. Each 25 g package is supplied with access to a Certificate of Analysis (COA) and Material Safety Data Sheet (MSDS) for product specifications, handling, and safety information.
Alkali Blue 6B is intended for research and laboratory use only. It is not intended for diagnostic, therapeutic, food, pharmaceutical, or household use.
Specifications
| Grade | Indicator |
| Formula | C37H29N3O3S |
| MW | 595.7 |
| CAS | 30586-13-1 |
| Appearance | Dark Blue powder |
| Assay | ≥80% |
| Solubility | Dark blue solution at 1 mg/ml of Methanol |
| Visual transition Interval | From pH 9.4 (Blue) to pH 14.0 (Red) |
| Storage | R.T |
Frequently Asked Questions
What is Alkali Blue 6B used for?
Alkali Blue 6B is an acid-base indicator used for visual pH indication in strongly alkaline conditions. It may be used in acid-base titrations and other laboratory analytical procedures requiring a high-pH color transition.
What is the color transition range of Alkali Blue 6B?
Alkali Blue 6B provides a visual transition from blue at approximately pH 9.4 to red at approximately pH 14.0. The observed color may vary with indicator concentration, solvent, sample composition, and experimental conditions.
Is Alkali Blue 6B supplied as a powder or a solution?
This product is supplied as a dark blue powder in a 25 g package. It is not supplied as a ready-to-use indicator solution.
What solvent can be used to dissolve Alkali Blue 6B?
According to the product specification, Alkali Blue 6B produces a dark blue solution in methanol at 1 mg/mL. Users should confirm that the selected solvent and final indicator concentration are suitable for their specific analytical method.
How should Alkali Blue 6B be stored?
Store the powder at room temperature in a tightly closed container. Protect it from moisture and direct light, and refer to the lot-specific Certificate of Analysis for applicable storage and shelf-life information.
Is Alkali Blue 6B intended for diagnostic or therapeutic use?
No. This product is intended for research and laboratory use only. It is not intended for diagnostic, therapeutic, pharmaceutical, food, or household use.
Documents
When can I expect my order to ship?
Most orders are filled and shipped within 2-3 business days from the time they are received.
Our standard shipping usually take 2-5 days.
We also provide express shippping for time-sensitive deliveries.
Email contact@biofargo.com if you have any requirements.
