Eosin Y Stain Solution 0.5%(w/v) Alcoholic

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Eosin Y Stain Solution 0.5%(w/v) Alcoholic

Light Eosin for delicate Biopsies & Cytosmears

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Pack Size

Clear

SKU N/A Categories : Digital-Optimized H&E & Special Stains, IHC Compatible Histopathology Reagents (Fix to Mount)

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Standard 1% Eosin is too strong for delicate tissues. It over-stains and hides nuclear details. Light Eosin 0.5% is a specially diluted, gentle formulation designed for thin, hypocellular, and delicate samples. It gives a soft, transparent, baby-pink that never masks the nucleus. This is why cytologists, renal biopsy, and transplant biopsy experts love it. If standard eosin is a thick marker, Light Eosin is a fine-liner pen.

True 0.5% w/v Low Concentration: 50% lighter than routine eosin -Prevents overstaining by design
Soft Baby Pink Shade: Light, transparent, pastel pink – Never dark or red
Alcoholic & Gentle: Optimized 70% ethanol base – No tissue detachment for small biopsies
Nuclear Friendly: Very low cytoplasmic density – Nuclei remain dominant and crisp blue
Prevents Chromatin Masking: Critical for cytosmears where nuclear details = diagnosis
Ready-to-Use 0.22 Micron Filtered: No filtering, no dilution, no precipitate on delicate cells
pH Balanced at 5.0-5.2: Slightly higher pH than 1% eosin for lighter, softer binding
Economical for Cyto Use: Low consumption – 500 ml does >2000 cytosmears
Pack Sizes: 500 ml, 1 Liter

In delicate biopsies & cytosmears, the challenge is opposite – that it requires LESS eosin, not more.

Problem with 1% Eosin: Heavy eosin saturates thin cytoplasm, creates dark pink veil over nucleus. Pathologist struggles to see chromatin.
0.5% Light Eosin: Contains half the dye molecules. It stains cytoplasm just enough to give orientation, but stays transparent.
Result – Nucleus Dominant H&E:Cytoplasm: Very Light, Transparenn Baby Pink Nuclei:vSuper-Crisp, Dark Blue 100% Visible RBCs: Light Orange – Not distracting

0.5% Light Concentration , No Overstaining Ever. Even if technician forgets slide for 3-4 min, it stays light. Foolproof for busy cyto labs.
Transparent Baby Pink, Nuclear Details Pop Out. Chromatin, nucleoli, inclusions – crystal clear. Critical for Pap, FNAC, Fluid Cytology.
Ideal for Tiny Biopsies, No Loss of Small Fragments. Renal biopsy, gastric biopsy, endoscopic biopsy – 2mm tissue needs light pink only.
Best for Cytosmears, Better Than 1% for Cyto. Pap smear, FNAC, Bronchial wash, Urine, Body fluids – Light pink is textbook standard.
Alcoholic Base, No Cell Loss. Aqueous eosin detaches cells from slide. Alcoholic version protects cellularity.
Keeps Background Clean, White Background Stays White. Mucin, colloid, fluid background does not take pink – Clean reporting.
Technical Specifications :

Specification	Details
CAS No.	17372-87-1
pH	5.0 – 5.2 ± 0.2
Appearance	Clear, Light Orangish-Pink Solution
Staining Time	1.5 to 3 minutes (Longer than 1% because it is lighter)
Storage	15-30°C, away from direct sunlight
Stability	24 Months