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ACID RED 52

MacsChem > Biological Stains > ACID RED 52

Acid Red 52 is a synthetic dye belonging to the azo dye class, It is soluble in water and has a typical absorption spectrum that includes strong absorption in the visible range, contributing to its intense red hue. Acid Red 52 is often used in various applications requiring a red colorant.

CAS No.:3520-42-1

Synonyms: C.I. Acid Red 52; Sulforhodamine B sodium salt; Lissamine Rhodamine; Acid Rhodamine B; Xylene Red B; Amido Rhodamine B; Acid Red XB. 

Physical Properties
Chemical formulaC27H29N2NaO7S2
IUPAC Namesodium;4-[3-(diethylamino)-6-diethylazaniumylidenexanthen-9-yl]benzene-1,3-disulfonate
Molecular weight580.7g/mol
SolubilityWater & Ethanol 
Density1.38g/cm³
Chemical Properties
ColorDark Red to Brown
StatePowder
Melting point205-210°C
λmax554 nm
pH2-3
  • Dyeing: Acid Red 52 is utilized to dye wool, silk, and polyamide fibers, and can also be used for direct printing on silk and wool fabrics.
  • Cosmetics: Acid Red 52 is used in cosmetics to relay colors, making products like lipstick shampoos visually appealing.
  • Protein Tag: Acid Red 52 can be used as a protein tag via sulfamide condensation with substrates that have primary amine groups.
  • Organic Laser Dye: Acid Red 52 is employed as an organic laser dye in the yellow-red spectral region.
Pictograms :
Hazard Statements :H319: Causes serious eye irritation.
Precautionary statements :P264: Wash hands, forearms, and exposed areas thoroughly after handling.
P280: Wear protective gloves/ eye protection/ face protection
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present, and easy to do. Continue rinsing.
P337 + P313: If eye irritation persists: Get medical advice/attention.

Acid Red 52 is a synthetic dye belonging to the azo dye class, It is soluble in water and has a typical absorption spectrum that includes strong absorption in the visible range, contributing to its intense red hue. Acid Red 52 is often used in various applications requiring a red colorant.

CAS No.:3520-42-1

Synonyms: C.I. Acid Red 52; Sulforhodamine B sodium salt; Lissamine Rhodamine; Acid Rhodamine B; Xylene Red B; Amido Rhodamine B; Acid Red XB. 

Physical Properties
Chemical formulaC27H29N2NaO7S2
IUPAC Namesodium;4-[3-(diethylamino)-6-diethylazaniumylidenexanthen-9-yl]benzene-1,3-disulfonate
Molecular weight580.7g/mol
SolubilityWater & Ethanol 
Density1.38g/cm³
Chemical Properties
ColorDark Red to Brown
StatePowder
Melting point205-210°C
λmax554 nm
pH2-3
  • Dyeing: Acid Red 52 is utilized to dye wool, silk, and polyamide fibers, and can also be used for direct printing on silk and wool fabrics.
  • Cosmetics: Acid Red 52 is used in cosmetics to relay colors, making products like lipstick shampoos visually appealing.
  • Protein Tag: Acid Red 52 can be used as a protein tag via sulfamide condensation with substrates that have primary amine groups.
  • Organic Laser Dye: Acid Red 52 is employed as an organic laser dye in the yellow-red spectral region.
Pictograms :
Hazard Statements :H319: Causes serious eye irritation.
Precautionary statements :P264: Wash hands, forearms, and exposed areas thoroughly after handling.
P280: Wear protective gloves/ eye protection/ face protection
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present, and easy to do. Continue rinsing.
P337 + P313: If eye irritation persists: Get medical advice/attention.

FAQ's

Acid Red 52 is generally used as a dye in textiles and cosmetics.

Acid Red 52 is a synthetic dye with the chemical formula C27H29N2NaO7S2. It is commonly used in textiles and cosmetics.

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