

Aniline Blue for Microscopy (C.I. 42775 & 42780) and Stain Solution
Aniline Blue dyes are supplied for microscopy in spirit-soluble and water-soluble forms, along with a ready-to-use stain solution.
| Product | CAS No. | Grade / form | Purity | Molecular formula | Molecular weight | Shelf life | Appearance |
|---|---|---|---|---|---|---|---|
| Aniline Blue, C.I. 42775 | 28631-66-5 | For Microscopy; spirit soluble | Not specified | C32H25N3Na2O9S3 | 737.7 | 5 years | Blue dye powder |
| Aniline Blue, C.I. 42780 | 28983-56-4 | For Microscopy; water soluble | Not specified | C37H27N3Na2O9S3 | 799.80 | 5 years | Bluish-black powder |
| Aniline Blue Stain Solution | Not listed | Stain solution | Not specified | Not applicable | Not applicable | 5 years | Dark blue, sediment-free liquid |
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Product Details
Aniline Blue is available as a spirit-soluble microscopy dye (C.I. 42775), a water-soluble microscopy dye (C.I. 42780), and a ready-to-use stain solution. The powder dyes are supplied in 25 g and 100 g packs; the stain solution is available in 125 ml and 500 ml packs.
| Product | Pack size | SKU | CAS No. | HSN code |
|---|---|---|---|---|
| Aniline Blue, C.I. 42775, For Microscopy | 25 g | A-00904-25GM | 28631-66-5 | 32041251 |
| Aniline Blue, C.I. 42775, For Microscopy | 100 g | A-00904-100GM | 28631-66-5 | 32041251 |
| Aniline Blue, C.I. 42780, For Microscopy | 25 g | A-00905-25GM | 28983-56-4 | 32041251 |
| Aniline Blue, C.I. 42780, For Microscopy | 100 g | A-00905-100GM | 28983-56-4 | 32041251 |
| Aniline Blue Stain Solution | 125 ml | A-00906-125ML | - | 38220090 |
| Aniline Blue Stain Solution | 500 ml | A-00906-500ML | - | 38220090 |
Applications: The dye products are intended for microscopy. Aniline Blue is used in tissue-staining methods, including connective-tissue staining; the stain solution is supplied as a ready-to-use staining reagent.
























