Aniline Blue diammonium salt
Aniline Blue diammonium salt (CAS: 66687-07-8) is a complex organic compound with the molecular formula C37H32N5O9S3 and a molecular weight of 786.87 g/mol. This certified stain and dye is primarily used in cell biology, histology, and hematology for various staining procedures. Its specific absorption maximum at 605 nm indicates its utility in visualising cellular structures.

Cell Biology Staining
Aniline Blue diammonium salt is employed as a vital stain in cell biology. It is used to differentiate cellular components and structures, aiding in microscopic analysis and research.
Histological Applications
In histology, this certified stain is utilized for staining tissue samples. It helps in the differential staining of connective tissues and cytoplasm, facilitating the study of tissue architecture.
Hematological Staining
This diammonium salt serves as a dye in hematology for the examination of blood cells and tissues. Its properties allow for the visualisation of specific cellular elements within blood samples.
| Molecular weight | 786.87 |
|---|---|
| Empirical formula | C37H32N5O9S3 |
| Grade | certified by the Biological Stain Commission |
| Composition | Dye content, 65% |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 605 nm |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Aniline Blue diammonium salt used for?
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Aniline Blue diammonium salt (CAS: 66687-07-8) is used as a stain in cell biology, histology, and hematology for visualising cellular structures and tissues under a microscope.
What are the CAS number and chemical formula for Aniline Blue diammonium salt?
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The CAS number for Aniline Blue diammonium salt is 66687-07-8, and its chemical formula is C37H32N5O9S3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Aniline Blue diammonium salt certified by the Biological Stain Commission, with a dye content of approximately 65%.
What are the safety and handling requirements for Aniline Blue diammonium salt?
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Aniline Blue diammonium salt is classified with GHS07 and the signal word 'Warning'. It carries hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment includes a dust mask type N95, eyeshields, and gloves. Handle in a well-ventilated area.
Does Tech Serve Solutions export Aniline Blue diammonium salt?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Aniline Blue diammonium salt.
How can I request a quote or sample of Aniline Blue diammonium salt?
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To request a quote or sample of Aniline Blue diammonium salt, please contact our sales team via the website or telephone.
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