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Eosin (Cytoplasm)
Eosin (Cytoplasm) (Product Code: SCL452/0135) is an acidic dye used to stain cytoplasm, muscle fibres, connective tissue and red blood cells pink in histology and cell biology practicals. Medical, paramedical and science colleges use it mainly as the counterstain to haematoxylin, and it comes as a 500 ml pack of analytical reagent grade with an MSDS. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, as a routine item of zoology lab equipment.
Specifications
| Parameter | Detail |
|---|---|
| Stain | Eosin, for cytoplasm |
| Pack capacity | 500 ml |
| Grade | Analytical reagent |
| Documentation | MSDS supplied |
| Shelf life | Depends on the chemical, its grade and storage conditions; ask us for the expiry date of the batch you are quoted |
| Product code | SCL452/0135 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Eosin Stain Used For?
Eosin is best known as the second half of haematoxylin and eosin (H and E) staining, the combination used to study tissue sections in histology courses. After sections are stained with haematoxylin and blued, the slides pass briefly through eosin, are rinsed, and are taken through graded alcohols before clearing and mounting. The result shows purple-blue nuclei against pink cytoplasm and fibres, the view most textbooks use for epithelium, muscle, liver or kidney sections.
Students preparing permanent slides soon learn that timing matters: a longer dip or less time in the alcohols gives a deeper pink, while extra rinsing lightens it. Eosin can also be used on its own for a quick temporary mount of cheek cells or to highlight cytoplasm in simple animal tissue preparations. Use a staining jar so several slides are treated evenly, keep the jar covered between runs, and wipe drips promptly, because the dye marks benches and fingers.
Supplier
Jain Scientific Equipments Private Limited, operating as ScienceLab, is located in Ambala, Haryana. It supplies stains, reagents, glassware and teaching apparatus to schools, colleges, medical and paramedical institutes and research laboratories in India and international markets. See our company profile for more.
Related Biology Lab Products
Items used with eosin in a histology staining run:
- Haematoxylin (Histology) — the nuclear stain that eosin counterstains in H and E work.
- Coplin Staining Jar — holds slides upright so the stain acts evenly.
- Ethanol — for the graded alcohol steps that dehydrate and differentiate the stain.
- Plain Slides — clean slides for sections and temporary mounts.
- Compound Microscope — to examine the stained tissue.
More stains and slide supplies are in the Biology Lab category.
Frequently Asked Questions
How much eosin comes in one pack of Eosin (Cytoplasm)?
One pack of Eosin (Cytoplasm) holds 500 ml of analytical reagent grade stain and is supplied with an MSDS. Because slides are only dipped briefly, the same stock can serve a histology class across many staining runs when it is kept covered between uses.
Do I need haematoxylin as well as Eosin (Cytoplasm)?
For standard H and E staining, yes: haematoxylin stains the nuclei blue-purple and Eosin (Cytoplasm) stains the cytoplasm and fibres pink. For a quick cytoplasm-only temporary mount, such as cheek cells, the eosin can be used on its own.
My sections are too pink. What should I change?
If sections stained with Eosin (Cytoplasm) look too pink, shorten the time in the stain or allow a little longer in the lower-strength alcohol, which removes excess dye. Test the timing on a single slide before staining the whole batch.
What is the shelf life of Eosin (Cytoplasm)?
Shelf life depends on the chemical, its grade and storage conditions, so no fixed period is quoted for Eosin (Cytoplasm). Ask us for the expiry date of the batch you are quoted, store the bottle closed and away from light and heat, and filter the working stain if particles appear.
Who supplies Eosin (Cytoplasm)?
Eosin (Cytoplasm) is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, India. The company quotes the stain together with haematoxylin, staining jars and slides, which lets histology departments order a complete H and E set in one request.
Can a medical college order larger quantities?
Yes. Medical and paramedical colleges can order Eosin (Cytoplasm) in multiple 500 ml packs. Send the quantity, delivery address and billing details through the contact page; we supply institutions across India and international markets and can discuss batch documents before ordering.
Request a Quote
For a quotation on Eosin (Cytoplasm), or a complete H and E staining set with slides and jars, use our contact page or add the items to the enquiry cart.
Last updated: 24 September 2026
