Acid Red 52 is a synthetic, water-soluble dye from the Xanthene chemical family, also known as Acid Rhodamine B. It is a dark red powder with high fluorescence that is primarily used for coloring wool, silk, and nylon textiles, as well as leather and paper.
Basic details of Acid Red 52
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Chemical Name |
Acid Rhodamine B, Acid Rhodamine, Acid Rose Red B |
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Molecular Formula |
C27H29N2Na2O7S2 |
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CAS Number |
3520-42-1 |
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Molecular Weight |
580.65 g/mol |
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Appearance |
Dark red to light brown powder, crystals |
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Solubility |
Soluble in water and ethanol |
Applications
Textiles Industry :- Wool, Silk, Nylon and other protein fibers.
Leather Industry :- Footwear, Handbags and accessories.
Paper Industry :- Speciality papers with bright, consistent red tones.
Stationery :- Markers, highlighters and pens.
Inkjet Printing :- Water baesd dye link formulations. Ensuring vivid, smooth flowing red prints.
Food Industry :- Confectionery, beverages and other consumables.
Cosmetic :- Lipsticks, blushes and other cosmetic formulations.
Properties
Light fastness: 6-7 to 3-4
Washing fastness: 5 to 5-4
Prespiration fastness: 3-4
Rubbing fastness: Good
Handling
Application: Apply in mildly acidic to neutral conditions for best stability.
Heat: Avoid excessive heat, as ironing fastness is low.
Washing: Be aware that washing can cause fading and staining, especially on certain fibers.
Wastewater: Manage wastewater appropriately, as it may require treatment to remove the dye before release.
Storage
Container: Store in a tightly closed container.
Environment: Keep in a dry, well-ventilated warehouse.
Sunlight: Protect from direct sunlight.
Moisture: Keep away from moisture to prevent degradation.
PACKAGING
25 kg HDPE drums or bags: This is the most common standard size for bulk industrial use.
25 kg corrugated boxes: An alternative to drums and bags for the 25 kg size.
10 kg drums or bags: Available for smaller orders.
Price: