
India-Ink Stain -500ml
Description:
India Ink Stain is a carbon-based colloidal suspension used in microbiology and histology for negative staining. It provides a dark background, allowing transparent or weakly refracting structures such as capsules around microorganisms to appear clearly under the microscope.
Chemical Name: Carbon Black Suspension in Water (India Ink)
Chemical Formula: C (main component: amorphous carbon)
CAS Number: 1333-86-4 (for carbon black)
Appearance:
Black, opaque liquid suspension.


Uses:
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Negative staining in microbiological examinations (e.g., capsule staining of Cryptococcus neoformans)
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Demonstration of cell capsules and other transparent structures
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General-purpose stain for outlining particles or organisms in wet mounts
Key Features:
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Produces high contrast for capsule visualization
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Non-toxic and easy to use
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Suitable for light microscopy
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Provides sharp definition against dark background
Safety / SDS Summary:
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Hazards: May cause mild skin or eye irritation; avoid ingestion or inhalation.
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First Aid: Rinse eyes or skin with water; seek medical help if irritation persists.
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Storage: Keep container tightly closed; store at room temperature away from direct sunlight.
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Stability: Stable under normal laboratory conditions.
Weight | 1 kg |
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Q & A
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