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Carmoisine

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Identification
Molecular formula
C20H12N2Na2O7S2
CAS number
3567-69-9
IUPAC name
disodium;4-hydroxy-3-[(4-sulfonato-1-naphthyl)azo]naphthalene-1-sulfonate
State
State

At room temperature, Carmoisine is a solid powder. It is known for its stability and solubility in water, making it suitable for various applications in food and dye industries.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
273.15
General information
Molecular weight
502.43g/mol
Molar mass
502.4290g/mol
Density
0.9600g/cm3
Appearence

Carmoisine appears as a red to maroon powder. It is a synthetic azo dye characterized by its vibrant red hue, commonly used in food and textile industries for coloration.

Comment on solubility

Solubility of Disodium 4-Hydroxy-3-[(4-sulfonato-1-naphthyl)azo]naphthalene-1-sulfonate

Disodium 4-hydroxy-3-[(4-sulfonato-1-naphthyl)azo]naphthalene-1-sulfonate, often referred to as a type of synthetic dye, presents intriguing solubility characteristics. This compound is known for its enhanced solubility due to the presence of multiple sulfonate groups, which significantly increase its hydrophilicity.

Key points about its solubility include:

  • The compound is highly soluble in water, which is typical for many sulfonated azo dyes.
  • Solubility is influenced by temperature; as temperature increases, solubility may also increase, making it easier to dissolve.
  • It tends to exhibit stability in a variety of pH environments, which further supports its solubility across different conditions.
  • The presence of ionic charges from the disodium groups enhances interactions with polar solvents, particularly water.

In summary, the solubility of disodium 4-hydroxy-3-[(4-sulfonato-1-naphthyl)azo]naphthalene-1-sulfonate is a notable feature that facilitates its application in various fields, notably in dyeing processes where effective dispersion and stability in aqueous solutions are crucial.

Interesting facts

Interesting Facts about Disodium 4-Hydroxy-3-[(4-sulfonato-1-naphthyl)azo]naphthalene-1-sulfonate

This compound, often referred to as a dye, belongs to a group of substances known for their vibrant colors and extensive applications in various industries. Here are some intriguing aspects of this chemical:

  • Key Uses: It is primarily used in the textile industry for dyeing fabrics. Its vivid color properties make it a popular choice for coloring textiles, especially synthetic fibers.
  • Environmental Aspect: The sulfonate groups in its structure enhance its solubility in water, making it easier to apply in dyeing processes. However, it also raises concerns regarding the environmental impact of dye runoff and wastewater.
  • Structural Significance: This compound contains both azo and naphthalene structures. Azo compounds, characterized by the -N=N- group, are well-known for their ability to produce a wide range of colors through their electronic configurations.
  • Analytical Applications: Due to its distinct coloration, this compound is often utilized in analytical chemistry as a colorimetric indicator, helping detect the presence of specific substances in solution.
  • Safety Considerations: Like many synthetic dyes, it’s essential to consider its safety profile. Studies have been conducted to evaluate any potential health risks associated with exposure to azo compounds.

Dr. Paul Z. Johnson, a renowned chemist, once said, "The world of dyes is a tapestry of chemistry, weaving not just color but history, culture, and innovation." This compound exemplifies that sentiment, showing how chemical compounds transcend their molecular nature to impact art and industry.

As we celebrate such compounds, we also continue to explore safer alternatives and more sustainable practices in dye technology, ensuring that we honor both innovation and the environment.

Synonyms
Carmoisine
3567-69-9
Chromotrope FB
Acid red 14
C.I. Acid Red 14
Azo Rubine
Azorubin
C.I. 14720
Acid Rubine
Brilliant Crimson Red
Poloxal Red 2B
C.I. Food Red 3
CI Acid Red
Carmoisin [German]
Karmesin
Nacarat
Nacarat (VAN)
Carmoisine ba
Carmoisine bss
Carmoisine fu
Carmoisine ws
Carmoisin
Carmoisine S
Carmoisine supra
Carmoisine W
Solar Rubine
Chromotrop FB
CI Food Red 3
HD Carmoisine
Azo rubine af
Carmoisine GRN
Carmoisine LAS
Omega Chrome Blue FB
Azo Rubin Extra
Cilefa Rubine R
Acetacid Red B
Kiton Rubine R
Crimson EMBL
Erio Rubine B
Java Rubine N
Azo rubin XX
Eurocert Azorubine
Fenazo Red C
Hexacol Carmoisine
Nacarat A Export
Nacarat Extra Pure 1A
Azo Rubine LZ
Azo Rubine XX
Neklacid rubine W
Tertracid Red CA
Acid Rubine Extra
Airedale carmoisine
Hispacid Rubine F
Pontacyl Rubine R
C.I. Acid Red 14, Disodium Salt
Carmoisine BA-CF
Crimson 2EMBL
Kiton Crimson 2R
Bucacid Azo Rubine
Hidacid Azo Rubine
Standacol carmoisine
Amacid carmoisine B
Brilliant Carmoisine
Calcocid Rubine XX
Solochrome Blue FB
Acid Fast Red FB
Azo rubine extra lc
Cerven kysela 14
Kenachrome Blue 2R
Acid Red 2C
Food Red 5
HD Carmoisine Supra
Atul Crystal Red F
Neklacid Azorubine W
Azo Rubine for Food
Brilliant Crimson 2R. FQ
CI ACID RED 14
Tertrochrome Blue FB
Certicol Carmoisine S
Acid Chrome Blue BA
Cerven kysela 14 [Czech]
Amacid Chrome Blue R
Diadem Chrome Blue G
Diadem Chrome Blue R
Nacarat Extra Pure A
Acid Chrome Blue 2R
Chrome Fast Blue 2R
Acid Chrome Blue FBS
Atul Acid Crystal Red
CCRIS 163
Schultz Nr. 208
Cerven potravinarska 3
Nylomine Acid Red P4B
Schultz Nr. 208 [German]
Brilliant Acid Rubine M
11959 Red
Cerven potravinarska 3 [Czech]
Ext D & C Red No. 10
Acid Chrome Blue BA-CF
Brasilan Azo Rubine 2NS
Brilliant Crimson 2R.FQ
Acid Brilliant Rubine 2G
CI Acid Red 14, disodium salt
Edicol Supra Carmoisine W
HSDB 4137
Lighthouse Chrome Blue 2R
Acid Brilliant Rubine 2GT
CI 14720
Edicol Supra Carmoisine WS
C.I. Mordant Blue 79
Eniacid Brilliant Rubine 3B
Azo Rubine S Specially Pure
NSC 7807
EINECS 222-657-4
Azo rubine (biological stain)
C.I. Acid Red No. 14
Ext D and C Red No. 10
Carmoisine aluminum lake
L. Red Z 3040
Hexacol carmoisine conc.
Carmoisine Aluminium Lake
NCI-C53849
Fruit Red A Extra Yellowish Geigy
DR4641L47F
E 122
CARMOISINE E122
CARMOISINE [IARC]
CI-FOOD RED 3
AZORUBINE [USP-RS]
CARMOISINE [MART.]
Acid Brilliant Rubine A2G conc.
CARMOISINE (E122)
1-Naphthalenesulfonic acid, 4-hydroxy-3-((4-sulfo-1-naphthalenyl)azo)-, disodium salt
INS NO.122
Disodium 2-(4-sulpho-1-naphthylazo)-1-naphthol-4-sulphonate
4-Hydroxy-3,4'-azodi-1-naphthalenesulfonic acid, disodium salt
4-Hydroxy-3,4'-azodi-1-naphthalenesulphonic acid, disodium salt
INS-122
1-Naphthalenesulfonic acid, 4-hydroxy-3,4'-azodi-, disodium salt
2-(4-Sulfo-1-naphthylazo)-1-naphthol-4-sulfonic acid, disodium salt
2-(4-Sulpho-1-naphthylazo)-1-naphthol-4-sulphonic acid, disodium salt
Disodium salt of 2-(4-sulpho-1-naphthylazo)-1-naphthol-4-sulphonic acid
NSC-7807
C.I. ACID RED 14 [HSDB]
4-Hydroxy-3-((4-sulfo-1-naphthalenyl)azo)-1-naphthalenesulfonic acid, disodium salt
4-Hydroxy-3-((4-sulpho-1-naphthalenyl)azo)-1-naphthalenesulphonic acid, disodium salt
Disodium 2-(4-sulfo-1-naphthylazo)-1-naphthol-4-sulfonate
CI-(1975)NO.14720
CARMOISINE (IARC)
E-122
Disodium 4-hydroxy-3-((4-sulphonatonaphthyl)azo)naphthalenesulphonate
Acid Red 2S
AZORUBINE (USP-RS)
CARMOISINE (MART.)
1-Naphthalenesulfonic acid, 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-, disodium salt
1-Naphthalenesulfonic acid, 4-hydroxy-3-(2-(4-sulfo-1-naphthalenyl)diazenyl)-, sodium salt (1:2)
Disodium 4-hydroxy-3-[(4-sulphonatonaphthyl)azo]naphthalenesulphonate
1-Naphthalenesulfonic acid, 4-hydroxy-3-[2-(4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:2)
L. Red Z 304C
Carmoisine BACF
CARMOISINE A
Acid Chrome Blue BACF
4-HYDROXY-3-
ACID RED 14 [INCI]
BRILLIANT CRIMSON 2R-FQ
CARMOISINE WNN 19153
AR 14
CI 14720 [INCI]
C.I. Acid Red 14, disodium salt (8CI)
Disodium 2(4sulfo1naphthylazo)1naphthol4sulfonate
Disodium salt of 2(4sulpho1naphthylazo)1naphthol4
Disodium 2(4sulpho1naphthylazo)1naphthol4sulphonate
1Naphthalenesulfonic acid, 4hydroxy3,4'azodi, disodium salt
2(4Sulfo1naphthylazo)1naphthol4sulfonic acid, disodium salt
4Hydroxy3,4'azodi1naphthalenesulfonic acid, disodium salt
4Hydroxy3,4'azodi1naphthalenesulphonic acid, disodium salt
2(4Sulpho1naphthylazo)1naphthol4sulphonic acid, disodium salt
4-HYDROXY-3,4'-AZODI-1-NAPTHALENESULFONIC ACID, DISODIUM SALT
4Hydroxy3((4sulfo1naphthalenyl)azo)1naphthalenesulfonic acid, disodium salt
1Naphthalenesulfonic acid, 4hydroxy3((4sulfo1naphthalenyl)azo), disodium salt
4-hydroxy-3-((4-sulfo-1-naphthalenyl)azo)-1-naphthalenesulfonic acid disodium salt
4-HYDROXY-3-((4-SULPHO-1-NAPHTHALENYL)AZO)-1-NAPHTHALENESULFONIC ACID DISODIUM SALT
4Hydroxy3((4sulpho1naphthalenyl)azo)1naphthalenesulphonic acid, disodium salt
azo rubine s
azorubine
Food Red 3
E122
CHEBI:82414
Poloxal Red 2BRED #1411959 Red
MFCD00003978
disodium;4-hydroxy-3-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate
Azo Rubine (Technical Grade)
disodium 4-hydroxy-3-[(E)-(4-sulfonato-1-naphthyl)diazenyl]naphthalene-1-sulfonate
Sodium 4-hydroxy-3-((4-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-1-sulfonate
Red #14
Mordant Blue 79
Azorubin (E122)
UNII-DR4641L47F
Carmoisine B
AZORUBINE [MI]
Azorubin (E122) 100 microg/mL in Acetonitrile
SCHEMBL42707
SCHEMBL342870
Carmoisine, analytical standard
CHEMBL1552837
DTXSID3021225
MSK2414
OJNIRNOPCQQNRY-JZFXEGLSSA-L
Chromotrope FB (C.I. 14720)
Chromotrope FB, Dye content 50 %
AKOS004901410
AKOS040759294
Azo Rubine (50per cent Dye content)
Disodium 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonate
FF40984
NCGC00164088-01
DA-62072
A0580
C19358
D88283
Q409676
DISODIUM 4-HYDROXY-3-[2-(4-SULFONATONAPHTHALEN-1-YL)DIAZEN-1-YL]NAPHTHALENE-1-SULFONATE