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CAS NUMBER: 4548-53-2
EC NUMBER: 224-909-9
MOLECULAR FORMULA: C18H14N2Na2O7S2
MOLECULAR WEIGHT: 480.4
IUPAC NAME: disodium;3-[(2,4-dimethyl-5-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-1-sulfonate
Ponceau SX is a red azo dye once used as a food dye.
As a food additive, Ponceau SX has the E number E125.
Ponceau SX is usually used as a disodium salt.
Ponceau SX is used in externally applied drugs and cosmetics.
Ponceau SX appears as red crystals.
Aqueous solution is yellowish-red.
An exception was added in 1965 to allow Ponceau SX's use in the coloring of maraschino cherries, which were considered mainly decorative and not a foodstuff.
This exception was repealed in 1976 due to mounting safety concerns.
Ponceau SX is a bright red synthetic dye used to colour food.
The name comes the French word for poppy.
Ponceau SX is part of a family of dyes called Ponceau dyes.
Description:
As mentioned in previous posts, Ponceau dyes are azo dyes.
The word “azo” is derived from the french word for nitrogen, azote.
An azo dye is formed when two hydrocarbon groups are joined by two nitrogen atoms.
The molecular formula for Ponceau SX is C18H14N2Na2O7S2.
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
*An arylsulfonic acid carrying the sulfonic acid group at the 1-position, and no substitute at the 2-position of the aromatic ring.
*1-hydroxy-2-unsubstituted benzenoids
*Sulfonyls
*Organosulfonic acids
*Azo compounds
*Propargyl-type 1,3-dipolar organic compounds
*Organopnictogen compounds
*Organooxygen compounds
*Organic oxides
*Hydrocarbon derivatives
Ponceau SX, like all azo dyes, is produced from petroleum products.
Azo dyes account for roughly 60 to 70% of all dyes used in the food and textile industries.
They are popular because they are cheap to produce and are more stable than most natural food dyes.
The E number of Ponceau SX is 125. Other dyes in the Ponceau family include:
*Ponceau 2R
*Ponceau 4R (E Number 124)
*Ponceau S
*Ponceau 6R (E Number 126)
Common Uses:
Ponceau SX is not a commonly used food dye.
Although Ponceau SX does have an E number
Ponceau SX is not currently approved for use in the European Union.
In the U.S. it has only restricted uses.
The FDA webpage indicates that it is only allowed in externally applied drugs or cosmetics.
However, some sources indicate it is still used to colour maraschino cherries because they are considered mainly decorative and not a foodstuff.
In Canada, Ponceau SX is still approved for exactly this purpose
PONCEAU SX is an azo compound.
Azo, diazo, azido compounds can detonate.
This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids.
Ponceau SX is classified as a synthetic food color, widely used for the maintenance and improvement of color appearance in foods.
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
Application:
Ponceau SX may be used as a reference standard for the determination of the analyte:
-In cosmetic products by micro-matrix solid phase dispersion and liquid chromatography coupled to tandem mass spectrometry.
-In foodstuffs by combining high performance liquid chromatography (HPLC) with diode array detection (DAD) and ion-trap time-of-flight mass spectrometry
Dye in externally applied drugs, cosmetics; food colorant in maraschino cherries.
Preparation:
2,4-Dimethyl-5-aminobenzenesulfonic acid diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.
Ponceau SX is red in color
Ponceau SX is soluble in water.
Ponceau SX is a red azo dye once used as principally as a food dye.
As a food additive, Ponceau SX has the E number E125.
Ponceau SX is also used in personal care and cosmetics.
Ponceau SX usually comes as a disodium salt.
Ponceau SX is used in the following products: cosmetics and personal care products.
Other release to the environment of this substance is likely to occur from: indoor use as processing aid.
Synthetic food colouring, it is an azo dye
Additionally, Ponceau SX is a histamine liberator
Ponceau SX (also known as Food Red 7) is a synthetic colourant that may be added to foods to induce a colour change.
Ponceau SX is denoted by E Number E124
Ponceau SX's chemical name is trisodium salt of 1-(4-sulpho-1-napthylazo)- 2-napthol- 6,8-disulphonic acid.
Ponceau SX is a red azo dye usually synthesized from coal tar which can be used in a variety of food products.
Ponceau SX 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.
Disposition
Source:
*Food
Biological location:
The physiological origin within an organism, including anatomical compnents, biofluids and excreta.
*Subcellular:
Cytoplasm
*Cell and elements:
Extracellular
PHYSICAL PROPERTIES:
-Molecular Weight: 480.4
-Exact Mass: 480.00378170
-Monoisotopic Mass: 480.00378170
-Topological Polar Surface Area: 176 Ų
-Physical Description: red crystals
-Color: red
-Form: Solid
-Solubility in Water: Soluble
-Storage Conditions: Room temperature
-Flash Point: 32.00 °F
-logP (o/w): 1.772
-Water Solubility: 0.031 g/L
-Refractivity: 127.13 m³·mol⁻¹
-Polarizability: 49.78 ų
Occuring:2,4-Dimethyl-5-aminobenzenesulfonic acid diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.
Ponceau SX is a red azo dye once used as a food dye.
As a food additive, Ponceau SX has the E number E125.
Ponceau SX is usually used as a disodium salt.
CHEMICAL PROPERTIES:
-Hydrogen Bond Donor Count: 1
-Hydrogen Bond Acceptor Count: 9
-Rotatable Bond Count: 2
-Heavy Atom Count: 31
-Formal Charge: 0
-Complexity: 792
-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 SX is used in externally applied drugs and cosmetics.
Ponceau SX appears as red crystals.
Aqueous solution is yellowish-red.
Ponceau SX is also used in personal care and cosmetics.
Ponceau SX usually comes as a disodium salt.
Ponceau SX is a widely used compound in the cosmetic industry.
Ponceau SX is generally used to add nice colors.
Ponceau SX is free to use at certain rates in many industries.
Ponceau SX acts as Colorant.
Ponceau SX is also found in hair dyes in hairdressers.
Ponceau SX is found in hair products.
Ponceau SX is a red colored substance found in cosmetic products used for hair coloring.
Ponceau SX is used as an azo dye for research in laboratories.
Ponceau SX is used in the following products: cosmetics and personal care products.
Other release to the environment of this substance is likely to occur from: indoor use as processing aid.
Ponceau SX's chemical name is trisodium salt of 1-(4-sulpho-1-napthylazo)- 2-napthol- 6,8-disulphonic acid.
Ponceau SX is a red azo dye usually synthesized from coal tar which can be used in a variety of food products.
Ponceau SX Belongs to the class of organic compounds known as 1,1'-azonaphthalenes.
SYNONYMS:
Ponceau SX
4548-53-2
C.I. Food Red 1
Food red 1
C.I. 14700
disodium;3-[(2,4-dimethyl-5-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-1-sulfonate
Ponceau SX Lake
4R purple
Crimson 4R
Maple Ponceau SX
Purple 4R
Hexacol Ponceau SX
Red shade #24
Certicol Ponceau SXS
Usacert Red No. 4
Dye FD & C Red No. 4
Edicol Supra Ponceau SX
disodium 3-[(E)-(2,4-dimethyl-5-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-1-sulfonate
PONCEAUSX
12101 Red
Cerven potravinarska 1
Cerven potravinarska 1
1-Naphthalenesulfonic acid, 3-(2-(2,4-dimethyl-5-sulfophenyl)diazenyl)-4-hydroxy-, sodium salt (1:2)
1-Naphthalenesulfonic acid, 3-[2-(2,4-dimethyl-5-sulfophenyl)diazenyl]-4-hydroxy-, sodium salt (1:2)
Disodium 2-(5-sulfo-2,4-xylylazo)-1-naphthol-4-sulfonate
Ponceau SX, AldrichCPR
2-(6-Sulfo-2,4-xylylazo)-1-naphthol-4-sulfonic acid, disodium salt
2-(6-Sulpho-2,4-xylylazo)-1-naphthol-4-sulphonic acid, disodium salt
4-Hydroxy-3-((5-sulfo-2,4-xylyl)azo)-1-naphthalenesulfonic acid, disodium salt
Disodium 3-((2,4-dimethyl-5-sulfophenyl)azo)-4-hydroxy-1-naphthalenesulfonate
1-Naphthalenesulfonic acid, 3-((2,4-dimethyl-5-sulfophenyl)azo)-4-hydroxy-, disodium salt
3-((2,4-Dimethyl-5-sulfophenyl)azo)-4-hydroxy-1-naphthalenesulfonic acid, disodium salt
3-((2,4-Dimethyl-5-sulphophenyl)azo)-4-hydroxy-1-naphthalenesulphonic acid, disodium salt
4-Hydroxy-3-((5-sulpho-2,4-xylyl)azo)-1-naphthalenesulphonic acid, disodium salt
Ponceau SX, analytical standard
1-Naphthalenesulfonic acid, 4-hydroxy-3-((6-sulfo-2,4-xylyl)azo)-, disodium salt
3-((2,4-Dimethyl-5-sulfophenyl)azo)-4-hydroxy-1-naphthalenesulfon- ic acid, disodium salt
Disodium 3-((2,4-dimethyl-5-sulphonatophenyl)azo)-4-hydroxynaphthalene-1-sulphonate
3-(2,4-Dimethyl-5-sulfophenylazo)-4-hydroxynaphthalene-1-sulfonic acid disodium salt
disodium;3-[(E)-(2,4-dimethyl-5-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-1-sulfonate
sodium (E)-3-((2,4-dimethyl-5-sulfonatophenyl)diazenyl)-4-hydroxynaphthalene-1-sulfonate
