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BASIC RED 51

MacsChem > Biological Stains > BASIC RED 51

What is Basic Red 51?

Basic red 51 a synthetic dye belongs to the group of basic dyes, is a member of azo dye family. This dye is usually produced via a series of chemical reactions involving aromatic compounds and diazonium salts.

Basic-Red-51 Structure

CAS No.: 77061-58-6

Synonyms: C.I. Basic Red 51; 2-[[4-(dimethylamino)phenyl]azo]-1,3-dimethyl-1h -imidazolium chloride; Ruby Red;BASICRED51; 2-((4-(Dimethylamino)phenyl)azo)- 1,3-dimethyl- 1H -imidazolium chloride; 1H-Imidazolium, 2- [[4-(dimethylamino) phenyl]azo]-1,3-dimethyl-,chloride

Properties of Basic red 51

Physical Properties
Chemical formulaC13H18ClN5
IUPAC Name4-[(1,3-dimethylimidazol-1-ium-2-yl)diazenyl]-N,N-dimethylaniline;
chloride
Molecular weight 279.77 g/mol
SolubilitySoluble in Water & Alcohol
Density0.45 g/cm3
Chemical Properties
ColourRed
StateSolid Powder
Melting point197 °C
LogP 1.88 at 25 °C

Applications of Basic red 51

  • ‘Textile Dyeing: Basic red 51 is often used in the dyeing of synthetic fibers like acrylics and nylon giving a vivid red hue.
  • Cosmetic Industry: It is often used in cosmetics formulations such as hair dyes offering bright, long-lasting color.
  • Biological Staining: It is used as a stain in histology & cytology for microscopic examination of biological tissues.
  • Ink and paper: It is utilized in printing inks and paper products to generate a warm red hue.
  • Leather processing: Basic red 51 is generally used in the leather industry to color leather goods, ensuring a deep, rich red finish.
Pictograms :
Hazard Statements :

H302 : Harmful if swallowed
H315 : Causes skin irritation
H319 : Causes serious eye irritation
H332 : Harmful if inhaled
H335 : May cause respiratory irritation
H400 : Very toxic to aquatic life
H410 : Very toxic to aquatic life with long-lasting effects

Precautionary statements :P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
P264: Wash hands thoroughly after handling.
P264+P265: Wash hands thoroughly after handling. Do not touch eyes.
P270: Do not eat, drink or smoke when using this product.
P271: Use only outdoors or in a well-ventilated area.
P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection/hearing protection.
P301+P317: IF SWALLOWED: Get medical help.
P302+P352: IF ON SKIN: wash with plenty of water
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing.
P317: Get emergency medical help.
P319: Get medical help if you feel unwell.
P332+P317: If skin irritation occurs: Get medical help.
P337+P317: If eye irritation persists: Get medical help.
P362+P364: Take off contaminated clothing and wash it before reuse.
P391: Collect spillage.
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container following local/regional/national/international regulations.

What is Basic Red 51?

Basic red 51 a synthetic dye belongs to the group of basic dyes, is a member of azo dye family. This dye is usually produced via a series of chemical reactions involving aromatic compounds and diazonium salts.

Basic-Red-51 Structure

CAS No.: 77061-58-6

Synonyms: C.I. Basic Red 51; 2-[[4-(dimethylamino)phenyl]azo]-1,3-dimethyl-1h -imidazolium chloride; Ruby Red;BASICRED51; 2-((4-(Dimethylamino)phenyl)azo)- 1,3-dimethyl- 1H -imidazolium chloride; 1H-Imidazolium, 2- [[4-(dimethylamino) phenyl]azo]-1,3-dimethyl-,chloride

Properties of Basic red 51

Physical Properties
Chemical formulaC13H18ClN5
IUPAC Name4-[(1,3-dimethylimidazol-1-ium-2-yl)diazenyl]-N,N-dimethylaniline;
chloride
Molecular weight 279.77 g/mol
SolubilitySoluble in Water & Alcohol
Density0.45 g/cm3
Chemical Properties
ColourRed
StateSolid Powder
Melting point197 °C
LogP 1.88 at 25 °C

Applications of Basic red 51

  • ‘Textile Dyeing: Basic red 51 is often used in the dyeing of synthetic fibers like acrylics and nylon giving a vivid red hue.
  • Cosmetic Industry: It is often used in cosmetics formulations such as hair dyes offering bright, long-lasting color.
  • Biological Staining: It is used as a stain in histology & cytology for microscopic examination of biological tissues.
  • Ink and paper: It is utilized in printing inks and paper products to generate a warm red hue.
  • Leather processing: Basic red 51 is generally used in the leather industry to color leather goods, ensuring a deep, rich red finish.
Pictograms :
Hazard Statements :

H302 : Harmful if swallowed
H315 : Causes skin irritation
H319 : Causes serious eye irritation
H332 : Harmful if inhaled
H335 : May cause respiratory irritation
H400 : Very toxic to aquatic life
H410 : Very toxic to aquatic life with long-lasting effects

Precautionary statements :P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
P264: Wash hands thoroughly after handling.
P264+P265: Wash hands thoroughly after handling. Do not touch eyes.
P270: Do not eat, drink or smoke when using this product.
P271: Use only outdoors or in a well-ventilated area.
P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection/hearing protection.
P301+P317: IF SWALLOWED: Get medical help.
P302+P352: IF ON SKIN: wash with plenty of water
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing.
P317: Get emergency medical help.
P319: Get medical help if you feel unwell.
P332+P317: If skin irritation occurs: Get medical help.
P337+P317: If eye irritation persists: Get medical help.
P362+P364: Take off contaminated clothing and wash it before reuse.
P391: Collect spillage.
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container following local/regional/national/international regulations.

FAQ's

Basic red 51 is a synthetic dye that belongs to the class of catioinic dyes, it is often used in various industries for coloring products.

Yes, Basic red 51 is soluble in water.

Basic red 51 is employed in few cosmetic applications such as hair dyes.

It may degrade under prolonged exposure to UV light, depending on the applications and environmental factors.

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