Determine the necessary mass, volume, or concentration for preparing a solution.
Biological stain Biological Stain for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Desiccated,Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 15 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Toluidine Blue is a basic thiazine metachromatic dye, which is used for selectively staining acidic tissue components such as carboxylates, sulfates, and phosphate radicals. It is found to have affinity for nucleic acids, and therefore binds to nuclear material of tissues with a high DNA and RNA content
Application:
Toluidine Blue is suitable for use in the following applications:
to demonstrate amyloid; DNA in plant material, mast cells, Nissl substance, nuclei, and sulfatides
in metachromatic staining of sulfated mucins and related materials
as staining agent to identify the development and accumulation of the cartilage matrix, proteoglycans for isolation and culture of mesenchymal stem cells from mouse compact bone.
staining of mucins in water-miscible resins and of nucleic acids in epoxy resins(1)
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Jul 30, 2026 | T104232 | |
| Certificate of Analysis | Jul 30, 2026 | T104232 | |
| Certificate of Analysis | Jul 30, 2026 | T104232 | |
| Certificate of Analysis | May 27, 2026 | T104232 | |
| Certificate of Analysis | May 27, 2026 | T104232 | |
| Certificate of Analysis | May 27, 2026 | T104232 | |
| Certificate of Analysis | May 27, 2026 | T104232 | |
| Certificate of Analysis | May 27, 2026 | T104232 | |
| Certificate of Analysis | Apr 15, 2026 | T104232 | |
| Certificate of Analysis | Dec 10, 2025 | T104232 | |
| Certificate of Analysis | Jun 25, 2025 | T104232 | |
| Certificate of Analysis | Jun 25, 2025 | T104232 | |
| Certificate of Analysis | Jun 25, 2025 | T104232 | |
| Certificate of Analysis | Jun 25, 2025 | T104232 | |
| Certificate of Analysis | Dec 04, 2024 | T104232 | |
| Certificate of Analysis | Dec 04, 2024 | T104232 | |
| Certificate of Analysis | Dec 04, 2024 | T104232 | |
| Certificate of Analysis | Jun 05, 2024 | T104232 | |
| Certificate of Analysis | Jun 05, 2024 | T104232 | |
| Certificate of Analysis | Dec 15, 2023 | T104232 | |
| Certificate of Analysis | Dec 15, 2023 | T104232 | |
| Certificate of Analysis | Dec 15, 2023 | T104232 | |
| Certificate of Analysis | Dec 15, 2023 | T104232 | |
| Certificate of Analysis | May 10, 2023 | T104232 | |
| Certificate of Analysis | Nov 03, 2022 | T104232 | |
| Certificate of Analysis | Nov 03, 2022 | T104232 | |
| Certificate of Analysis | Nov 03, 2022 | T104232 | |
| Certificate of Analysis | Nov 03, 2022 | T104232 | |
| Certificate of Analysis | Nov 03, 2022 | T104232 | |
| Certificate of Analysis | Nov 03, 2022 | T104232 | |
| Certificate of Analysis | Nov 03, 2022 | T104232 | |
| Certificate of Analysis | Aug 19, 2022 | T104232 | |
| Certificate of Analysis | Aug 19, 2022 | T104232 | |
| Certificate of Analysis | Aug 19, 2022 | T104232 | |
| Certificate of Analysis | Aug 19, 2022 | T104232 | |
| Certificate of Analysis | Aug 19, 2022 | T104232 | |
| Certificate of Analysis | Aug 19, 2022 | T104232 | |
| Certificate of Analysis | May 28, 2022 | T104232 | |
| Certificate of Analysis | May 28, 2022 | T104232 |
| Solubility | Solubility: Soluble in water |
|---|
Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.
View Biological Stain grade guide →