PRODUCTS

PONCEAU 6R

CAS NUMBER: 2766-77-0

EC NUMBER: 220-441-4

MOLECULAR FORMULA: C20H12N2Na2O7S2

MOLECULAR WEIGHT: 502.4

IUPAC NAME: disodium;7-hydroxy-8-(naphthalen-1-yldiazenyl)naphthalene-1,3-disulfonate

Ponceau 6R, or Crystal ponceau 6R, Crystal scarlet, Brilliant crystal scarlet 6R, Acid Red 44, or C.I. 16250, is a red azo dye.
Ponceau 6R is soluble in water and slightly soluble in ethanol.

Ponceau 6R is used as a food dye, with E number E126.
Ponceau 6R is also used in histology, for staining fibrin with the MSB Trichrome stain.

Ponceau 6R usually comes as disodium salt.
Ponceau 6R is a closely related azo dye, also usable in trichrome staining.

Ponceau 6R is an organic sodium salt that is the disodium salt of 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid.
Ponceau 6R has a role as a histological dye. It contains a 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate.

Ponceau 6R is a dye used in histology for staining fibrin.
Ponceau 6R is a red azo dye.

Ponceau 6R is soluble in water and slightly soluble in ethanol.
Ponceau 6R is a bright red synthetic dye used to colour food.

The name comes the French word for poppy.
Ponceau 6R is part of a family of dyes called Ponceau dyes.

Other names include crystal scarlet, acid red 44, or C.I. 16250.
Ponceau dyes are azo dyes meaning they are formed when two hydrocarbon groups are joined by two nitrogen atoms. The molecular formula for Ponceau 6R is C20H12N2Na2O7S2.

Ponceau 6R, like all azo dyes, is produced from petroleum products.
The E number of Ponceau 6R is 126. Other dyes in the Ponceau family include:
-Ponceau 2R
-Ponceau 4R (E Number 124)
-Ponceau S
-Ponceau SX (E Number 125)

Common Uses:
Ponceau 6R is not widely used, but can be found in cake mixes, fruit-flavoured fillings, and jelly crystals.

Alternative Classes:
-2-naphthalene sulfonic acids and derivatives
-2-naphthalene sulfonates
-1-naphthalene sulfonic acids and derivatives
-1-naphthalene sulfonates
-Naphthols and derivatives
-1-sulfo,2-unsubstituted aromatic compounds
-1-hydroxy-2-unsubstituted benzenoids
-Sulfonyls
-Organosulfonic acids
-Compounds containing the sulfonic acid group, which has the general structure RS(=O)2OH (R is not a hydrogen atom).
-Azo compounds
-Propargyl-type 1,3-dipolar organic compounds
-Organopnictogen compounds
-Organooxygen compounds
-Organic oxides
-Hydrocarbon derivatives

Ponceau 6R is approved for use in both the US and the EU.1
Besides its use as a food dye, ponceau 6R is commonly used when studying cells.

Ponceau 6R is used as a stain so that certain structures can more easily been seen under a microscope.
Ponceau 6R is closely related to amaranth, another red azo dye used for staining

Ponceau 6R can be used as analyte in analytical study for determination of 36 artificial pigments in foods by ultra high performance liquid chromatography and time-of-fight mass spectrometry
Ponceau 6R has been used in the MSB (martius yellow–crystal scarlet–methyl blue) staining procedure for the staining of collagen fibers and erythrocytes.

Ponceau 6R is mainly used in the MSB (martius yellow–crystal scarlet–methyl blue) staining procedure for the staining of connective tissue and fibrin.
Ponceau 6R is useful in histology for staining fibrin in conjunction with MSB (Martius, Scarlet and Blue).

Substituents:
*1,1'-azonaphthalene
*2-naphthalene sulfonate
*1-naphthalene sulfonate
*Naphthalene sulfonic acid or derivatives
*2-naphthalene sulfonic acid or derivatives
*1-naphthalene sulfonic acid or derivatives
*Naphthalene sulfonate
*2-naphthol
*Arylsulfonic acid or derivatives
*1-sulfo,2-unsubstituted aromatic compound
*1-hydroxy-2-unsubstituted benzenoid
*Organic sulfonic acid or derivatives
*Organosulfonic acid or derivatives
*Organosulfonic acid
*Sulfonyl
Azo compound
*Organic 1,3-dipolar compound
*Propargyl-type 1,3-dipolar organic compound
*Hydrocarbon derivative
*Organic oxide
*Organosulfur compound
*Organooxygen compound
*Organonitrogen compound
*Organopnictogen compound
*Organic oxygen compound
*Organic nitrogen compound
*Aromatic homopolycyclic compound

Crystal Ponceau 6R is a biological protein stain, only slightly staining cellulose used in microscopy.
Ponceau 6R is Soluble in water (10 mg/ml), alcohol, xylene, cellosolve ethylene, acetone, glycerol, dioxane, etc.

Ponceau 6R is used as a food dye, with E number E126.
Ponceau 6R is also used in histology, for staining fibrin with the stain.

Ponceau 6R usually comes as disodium salt.
Ponceau 6R is a closely related azo dye, also usable in trichrome staining

Ponceau 6R is an azo dye
Ponceau 6R Belongs to the class of organic compounds known as 1,1'-azonaphthalenes.

These are organonitrogen aromatic compounds that contain a central azo group, where each nitrogen atom is conjugated to the 1-position of a naphthalene ring system.
Naphthalene is a compound made up of two fused benzene rings.

Source:
*Food

Biological location:
*Subcellular:
*Cytoplasm

Cell and elements:
*An anatomical organizational level comprising of a single cell (or a fragment in some exceptions).
a cell is defined by its type or function.
it is the smallest unit of living structure capable of independent existence, composed of a membrane-enclosed mass of protoplasm and containing a nucleus or nucleoid.

*Extracellular

PHYSICAL PROPERTIES:

-Molecular Weight: 502.4

-Exact Mass: 501.98813164

-Monoisotopic Mass: 501.98813164

-Topological Polar Surface Area: 176 Å²

-Melting Point: 300 °C

-Water Solubility: 0.031 g/L

-logP: -1

-logS: -4.2

-pKa (Strongest Acidic): -3.3

-pKa (Strongest Basic): -1.1

-Refractivity: 127.13 m³·mol⁻¹

-Polarizability: 49.78 Å³

-Number of Rings: 4

Ponceau 6R is Soluble in water (10 mg/ml), alcohol, xylene, cellosolve ethylene, acetone, glycerol, dioxane, etc.
Ponceau 6R is approved for use in both the US and the EU.1

Ponceau 6R is commonly used when studying cells.
Ponceau 6R, or Crystal ponceau 6R, Crystal scarlet, Brilliant crystal scarlet 6R, Acid Red 44, or C.I. 16250, is a red azo dye.

Ponceau 6R is soluble in water and slightly soluble in ethanol.
Ponceau 6R is used as a food dye, with E number E126.

CHEMICAL PROPERTIES:

-Heavy Atom Count: 33

-Hydrogen Bond Donor Count: 1

-Hydrogen Bond Acceptor Count: 9

-Rotatable Bond Count: 2

-Formal Charge: 0

-Complexity: 854

-Isotope Atom Count: 0

-Defined Atom Stereocenter Count: 0

-Undefined Atom Stereocenter Count: 0

-Defined Bond Stereocenter Count: 0

-Undefined Bond Stereocenter Count: 0

-Covalently-Bonded Unit Count: 3

-Compound Is Canonicalized: Yes

Ponceau 6R is also used in histology, for staining fibrin with the MSB Trichrome stain.
Ponceau 6R usually comes as disodium salt.

Ponceau 6R is a closely related azo dye, also usable in trichrome staining.
Ponceau 6R is an organic sodium salt that is the disodium salt of 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid.

Ponceau 6R has a role as a histological dye. It contains a 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate.
Ponceau 6R is a dye used in histology for staining fibrin.

Ponceau 6R is a red azo dye.
Ponceau 6R is soluble in water and slightly soluble in ethanol.

Ponceau 6R is a bright red synthetic dye used to colour food.
Ponceau 6R is used as a stain so that certain structures can more easily been seen under a microscope.

Ponceau 6R is closely related to amaranth, another red azo dye used for staining
Ponceau 6R can be used as analyte in analytical study for determination of 36 artificial pigments in foods by ultra high performance liquid chromatography and time-of-fight mass spectrometry

Ponceau 6R has been used in the MSB (martius yellow–crystal scarlet–methyl blue) staining procedure for the staining of collagen fibers and erythrocytes.
Ponceau 6R is mainly used in the MSB (martius yellow–crystal scarlet–methyl blue) staining procedure for the staining of connective tissue and fibrin.

Ponceau 6R is used as a food dye, with E number E126.
Ponceau 6R is also used in histology, for staining fibrin with the stain.
Ponceau 6R usually comes as disodium salt.

Ponceau 6R is a closely related azo dye, also usable in trichrome staining
Ponceau 6R is an azo dye
Ponceau 6R Belongs to the class of organic compounds known as 1,1'-azonaphthalenes.

SYNONYMS:

Crystal Ponceau 6R
Crystal Scarlet
Acid Red 44
Acid Ponceau 6R
Crystal Scarlet 6R
Crystal Ponceau
Acid Leather Ponceau 6R
C.I. Acid Red 44
Crystal Tertracid Ponceau 6R
Colacid Red 6A
Acid Red 6A
Ponceau 6R Crystals
Ponceau Crystals 6R
Crystal Ponceau M6R
Acidal Crystals Ponceau
Sodium 6-hydroxy-5-(1-naphthylazo)naphthalene-2,4-disulphonate
Ponceau Cristallise Extra A Export
disodium;7-hydroxy-8-(naphthalen-1-yldiazenyl)naphthalene-1,3-disulfonate
Brilliant Crystal Scarlet
Ponceau 6R (VAN)
brilliant crystal scarlet 6R
SCHEMBL1638375
Ponceau 6R, analytical standard
SCHEMBL10621059
2-Hydroxy-1,1'-azonaphthalene-6,8-disulfonate, sodium salt
Crystal Ponceau 6R (C.I. 16250)
C.I. Acid Red 44, disodium salt (8CI)
DB-047255
FT-0634472
J-016846
disodium 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-(1-naphthalenylazo)-, disodium salt (9CI)
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-(1-naphthalenylazo)-disodium salt
disodium;7-hydroxy-8-[(E)-naphthalen-1-yldiazenyl]naphthalene-1,3-disulfonate
sodium (E)-7-hydroxy-8-(naphthalen-1-yldiazenyl)naphthalene-1,3-disulfonate
1,3-Naphthalenedisulfonicacid, 7-hydroxy-8-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2)