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Ponceau 4R

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Identification
Molecular formula
Na3C20H11N2O10S3
CAS number
2611-82-7
IUPAC name
trisodium;7-hydroxy-8-[(4-sulfonato-1-naphthyl)azo]naphthalene-1,3-disulfonate
State
State

At room temperature, Ponceau 4R is in a solid state. It is typically available as a red powder which is soluble in water.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
760.63g/mol
Molar mass
760.6330g/mol
Density
0.9910g/cm3
Appearence

Ponceau 4R appears as a red powder. It is commonly used as a red dye in various applications. As a food dye, it imparts a red, orange, or brownish hue depending on the concentration and the medium it is used in.

Comment on solubility

Solubility of Trisodium 7-Hydroxy-8-[(4-sulfonato-1-naphthyl)azo]naphthalene-1,3-disulfonate

The solubility of trisodium 7-hydroxy-8-[(4-sulfonato-1-naphthyl)azo]naphthalene-1,3-disulfonate is an interesting topic due to its unique chemical structure and the presence of multiple sulfonate groups. This compound can be expected to exhibit the following solubility characteristics:

  • Highly Soluble in Water: Due to the presence of three sodium ions and multiple sulfonate groups, this compound demonstrates a strong affinity for water, making it highly soluble in aqueous solutions.
  • Electrolytic Nature: The ionic nature of the compound allows it to dissociate effectively in water, enhancing its solubility further.
  • Temperature Dependence: Like many salts, the solubility may increase with temperature, which could lead to different applications depending on the conditions used.
  • pH Impact: The solubility can also be influenced by the pH of the solution, potentially affecting its performance in different environments.

In summary, the solubility of trisodium 7-hydroxy-8-[(4-sulfonato-1-naphthyl)azo]naphthalene-1,3-disulfonate is enhanced by its ionic characteristics and multiple sulfonate groups, underscoring its importance as a versatile compound in various chemical and industrial applications.

Interesting facts

Interesting Facts about Trisodium 7-Hydroxy-8-[(4-Sulfonato-1-Naphthyl)Azo]Naphthalene-1,3-Disulfonate

Trisodium 7-hydroxy-8-[(4-sulfonato-1-naphthyl)azo]naphthalene-1,3-disulfonate, often referred to as a diazo dye, is a fascinating chemical compound with several noteworthy characteristics and applications. Here are some interesting points:

  • Colorful Chemistry: As a diazo compound, it belongs to a class of synthetic dyes known for producing vibrant and stable colors. This property makes it useful in various coloring applications.
  • Diverse Applications: This compound finds applications in numerous fields, notably in the textile industry for dyeing fabrics, as well as in pharmaceuticals and biological research for visualizing substances.
  • Analytical Techniques: Due to its strong color properties, it is often utilized in analytical chemistry, particularly for spectrophotometric detection methods, aiding scientists in quantifying substances in complex mixtures.
  • Sulfonate Groups: The presence of multiple sulfonate groups enhances the compound's solubility in water, making it particularly useful in liquid-based applications.
  • Environmental Considerations: While useful, the environmental impact of synthetic dyes continues to be a significant concern. Research is underway to develop biodegradable alternatives and improve waste treatment processes associated with these dyes.

In a world increasingly focused on sustainability, the study of compounds like this one is not just about their functionality but also about how they can be managed responsibly. Remember, as scientists, we are not only chemists but also stewards of the environment!

In conclusion, trisodium 7-hydroxy-8-[(4-sulfonato-1-naphthyl)azo]naphthalene-1,3-disulfonate is more than just a chemical formula; it represents a bridge between chemistry, industry, and environmental responsibility.

Synonyms
Ponceau 4R
New coccine
2611-82-7
Acid red 18
C.I. Acid Red 18
Food Red No. 102
Cochineal Red A
Victoria Scarlet 3R
SX Purple
Coccine
Zolfosol
Food Red 7
Brilliant Ponceau 3R
Brilliant Scarlet 4R
Acid Brilliant Scarlet 3R
Coccin Red
New Coccin
Purple Red
Brilliant Scarlet
Atul Scarlet F
Crimson SX
Food Red 102
Purple SX
Acid Ponceau 4R
Acid Scarlet 4R
Java Scarlet 3R
Neklacid Red 3R
Neklacid Red 4R
Scarlet 4R
Ponceau 4RE
Ponceau 4RF
Ponceau 4RT
Scarlet 4RA
Cochineal Red 4R
Kiton Scarlet 4R
Acid Scarlet 3RZ
Cilefa Ponceau 4R
Fenazo Scarlet 3R
C.I. Acid Red 28
HD Ponceau 4R
Ponceau 4RE.FQ
Colacid Ponceau 4R
Hexacol Ponceau 4R
Pontacyl Scarlet RR
Acilan Scarlet V3R
Victoria Scarlet Red
Strawberry Red
Brilliant Ponceau 4R
Brilliant Ponceau 5R
Brilliant Scarlet 3R
Naphthalene Ink Scarlet 4R
Certicol Ponceau 4RS
Cochenillerot A
Curol Bright Red 4R
Brilliant Ponceau 3RF
Brilliant Ponceau 4RC
Coccine nouvelle
HD Ponceau 4R Supra
Atul Acid Scarlet 3R
L-Rot 4 [German]
Strawberry Red A Geigy
Acid Scarlet 3R
Food Red Number 102
Naphthalene Scarlet 4RS
C.I. Acid Red 18, Trisodium Salt
L-Red 4
Edicol Supra Ponceau 4R
Eurocert Cochineal Red A
Hidacid Fast Scarlet 3R
Red Dye No. 102
C.I. 16255
Cochenillerot A [German]
Acidal Bright Ponceau 3R
Cerven kysela 18
Kochineal Red A for Food
Coccine nouvelle [French]
Edicol Supra Ponceau 4RS
New Coccine Extra Pure A
Cerven kosenilova A
Edicol Supra Ponceaux 4RS
Sugai Brilliant Scarlet 3R
Cerven kysela 18 [Czech]
Rakuto Brilliant Scarlet 3R
Aizen Brilliant Scarlet 3RH
Edicol Supra Ponceaux 4 RS
Cerven kosenilova A [Czech]
New Coccine Red No. 102
San-ei Brilliant Scarlet 3R
1578 Red
Bucacid Brilliant Scarlet 3R
Naphthalene Scarlet 4R
Rouge de cochenille A
Schultz Nr. 213
Takaoka Brilliant Scarlet 3R
C.I. Food Red 7
Cerven potravinarska 7
Daishiki Brilliant Scarlet 3R
Schultz Nr. 213 [German]
CCRIS 2652
Calcocid Brilliant Scarlet 3RN
Cochineal Red A Specially Pure
Hispacid Brilliant Scarlet 3RF
Cerven potravinarska 7 [Czech]
Rouge de cochenille A [French]
HSDB 5537
L-Rot 4
C.I. Acid Red 18 (VAN)
CI 16255
Kayaku Food Colour Red No. 102
New Coccine Extra Conc. A Export
Symulon Acid Brilliant Scarlet 3R
Red 102
NSC 4301
E 124
EINECS 220-036-2
Z525CBK9PG
Brilliant Ponceau 4RC Specially Pure
Victoria Scharlach 4 R Extra
Victoria Scharlach 4 R Extra [German]
Brilliant Scarlet 3R (Biological stain)
51811-48-4
C.I. 185
Kayaku Acid Brilliant Scarlet 3R
Ponceau 4R aluminum lake
Food red No.102
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-, trisodium salt
CI-FOOD RED 7
PONCEAU 4R [MI]
VIBRACOLOR RED ARE18
PONCEAU 4R [MART.]
PONCEAU 4R [USP-RS]
AKA102
INS NO.124
COVACAP ROUGE W 3102
DTXSID9021213
PONCEAU 4R (E124)
INS-124
EC 220-036-2
NSC-4301
Trisodium 1-(1-naphthylazo)-2-hydroxynaphthalene-4',6,8-trisulphonate
1-(4-Sulpho-1-naphthylazo)-2-naphthol-6,8-disulphonic acid, trisodium salt
ACID RED 18, TRISODIUM SALT
C.I. ACID RED 18 [HSDB]
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt
7-Hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-1,3-naphthalenedisulfonic acid trisodium salt
CI-16255
CI-(1975)NO.16255
E-124
E-124-
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-(2-(4-sulfo-1-naphthalenyl)diazenyl)-, sodium salt (1:3)
PONCEAU 4R (MART.)
PONCEAU 4R (USP-RS)
cochineal red
7-HYDROXY-8-((4-SULFO-1-NAPHTHYL)AZO)-1,3-NAPHTHALENEDISULFONIC ACID, TRISODIUM SALT
Scarlet-3R
TRISODIUM (8Z)-7-OXO-8-((4-SULFONATONAPHTHALEN-1-YL)HYDRAZINYLIDENE)NAPHTHALENE-1,3-DISULFONATE
Acid Red-18
C.I. food red 16255
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[2-(4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:3)
LRed 4
LRot 4
CI ACID RED 18
Sanei Brilliant Scarlet 3R
ACILAN SCARLET V 3R
AKA102 [INCI]
ACID RED 18 [INCI]
CI 16255 [INCI]
DTXCID501507484
1,3-naphthalenedisulfonic acid, 7-hydroxy-8-((4-sulfo-1-naphthalenyl azo) trisodium salt)
C.I. Acid Red 18, trisodium salt (8CI)
1(4Sulpho1naphthylazo)2naphthol6,8disulphonic acid, trisodium salt
1,3Naphthalenedisulfonic acid, 7hydroxy8((4sulfo1naphthalenyl)azo), trisodium salt
7-Hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-1,3-naphthalenedisulfon-ic acid, trisodium salt
7Hydroxy8((4sulfo1naphthalenyl)azo)1,3naphthalenedisulfonic acid, trisodium salt
food red 6
Neucoccin
Acid Red 18;New Coccine
1,3-Naphthalenedisulfonic acid,7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt
MFCD00004084
Neucoccin [German]
Food Red No. 102 (>80%)
GW 306684A
Sodium 7-hydroxy-8-((4-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-1,3-disulfonate
Trisodium 7-hydroxy-8-(4-sulfonatonaphthalen-1-yl)diazenylnaphthalene-1,3-disulfonate
1082572-30-2
UNII-Z525CBK9PG
Ponceau 4RC (E124)
trisodium 7-hydroxy-8-[(Z)-(4-sulfonato-1-naphthyl)diazenyl]-1,3-naphthalenedisulfonate
Scarlet 3R
Ponceau 4RC
Ponceau 4 R
trisodium (8E)-7-oxo-8-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-1,3-disulfonate
Ponceau 4R, analytical standard
MSK2416
New Coccine, Dye content 75 %
Ponceau 4RC (E124) 100 microg/mL in Acetonitrile:Water
IVNZBWNBYXERPK-DZGBHZPSSA-K
Ponceau 4R (C.I. 16255)
AKOS000282867
AKOS015903123
AKOS024319577
7-Hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-1,3-naphthalenedisulfon- ic acid, trisodium salt
trisodium 7-hydroxy-8-[(Z)-(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate
trisodium;7-hydroxy-8-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate
DA-56994
PD063574
DB-222291
F0140
N0309
NS00078251
C20344
D91673
Q384709