Basacryl Red GL
Basacryl Red GL (CAS 42373-04-6; C19H17ClN4S; MW 368.88) is a synthetic organic compound classified as a stain and dye. This vibrant red dye is primarily utilised in laboratory settings for histological and cell biology applications, aiding in the visualisation of cellular structures. Its specific spectral properties, with an absorption maximum at 511 nm, contribute to its efficacy in staining procedures within hematology and general histology.
- IUPAC
- Basic Red 29

Histological Staining
Basacryl Red GL is employed as a stain in histology to differentiate and visualise cellular components in tissue samples. It is effective in various staining protocols, contributing to accurate pathological and biological analyses.
Cell Biology Research
In cell biology, this dye aids in the microscopic examination of cells, facilitating the study of cellular morphology and processes. Its specific absorption characteristics make it useful for certain visualisation techniques.
Hematology Staining
This compound can be used for staining blood cells and related tissues in hematological studies. It assists in the identification and classification of blood components for diagnostic purposes.
| Molecular weight | 368.88 |
|---|---|
| Empirical formula | C19H17ClN4S |

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.
| Colour Index Number | 11460 |
|---|---|
| Absorption | λmax 511 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 Basacryl Red GL used for?
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Basacryl Red GL is primarily used as a stain in histological, hematological, and cell biology applications for visualising cellular structures.
What are the CAS and formula for Basacryl Red GL?
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The CAS number for Basacryl Red GL is 42373-04-6, and its empirical formula is C19H17ClN4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Basacryl Red GL as a technical or research grade chemical. We do not represent it as meeting USP, BP, or EP pharmacopoeial standards.
How should Basacryl Red GL be handled?
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Handle Basacryl Red GL with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid inhalation of dust and contact with skin and eyes. Ensure adequate ventilation as it may cause respiratory irritation (H335).
How is Basacryl Red GL packed and shipped?
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Basacryl Red GL is carefully packed and exported by Tech Serve Solutions in compliance with all relevant shipping regulations for chemical substances.
How can I request a quote or sample of Basacryl Red GL?
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To request a quote or sample of Basacryl Red GL, please contact our sales department via the website or email, providing your specific requirements.
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