Carmoisine

Base Information

• Chemical Name: Carmoisine
• CAS No.: 3567-69-9
• Deprecated CAS: 161628-33-7,65721-85-9,337505-21-2,337505-21-2,65721-85-9
• Molecular Formula: C20H12N2Na2O7S2
• Molecular Weight: 502.436
• Hs Code.: 3204.12
• European Community (EC) Number: 222-657-4
• UNII: DR4641L47F
• DSSTox Substance ID: DTXSID3021225
• Nikkaji Number: J1.325.785J
• Wikipedia: Azorubine
• Wikidata: Q409676
• RXCUI: 1363916
• ChEMBL ID: CHEMBL1552837
• Mol file: 3567-69-9.mol

Synonyms:acid red 2C;azo rubin S;azo rubin S, disodium salt;azorubine;carmoisine;disodium 4-hydroxy-2-((4-sulfonato-1-naphthyl)diazenyl)naphthalene-1-sulfonate

Chemical Property of Carmoisine

Chemical Property:

• Appearance/Colour: reddish-brown crystals or dark maroon powder
• Melting Point: >300oC
• Boiling Point: 907.49℃[at 101 325 Pa]
• Flash Point: >225℃
• PSA: 176.11000
• LogP: 6.08380
• Storage Temp.: Amber Vial, Refrigerator
• Solubility.: DMSO (Slightly, Heated), Methanol (Slightly), Water (Slightly)
• Water Solubility.: Soluble in water
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 9
• Rotatable Bond Count: 2
• Exact Mass: 501.98813164
• Heavy Atom Count: 33
• Complexity: 854

Purity/Quality:

100% ^*data from raw suppliers

Food Red 3 ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-37/39

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Dyes -> Azo Dyes
• Canonical SMILES: C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N=NC3=C(C4=CC=CC=C4C(=C3)S(=O)(=O)[O-])O.[Na+].[Na+]
• Recent ClinicalTrials: The Efficacy and Safety of Azovudine in the Treatment of COVID-19
• Uses: Azo Rubine is an synthetic red food dye and is used for the purposes where food is heat-treated after fermentation.

Technology Process of Carmoisine

There total 1 articles about Carmoisine which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

1-hydroxy-4-naphthalenesulfonate (84-87-7) → azorubine (3567-69-9)

Guidance literature:

With alkali;

Reference yield:

azorubine (3567-69-9) → 3-hydroxyphthalic acid (601-97-8) + 3-sulfophthalic acid (67892-43-7) + benzene-1,2-dicarboxylic acid (88-99-3,73607-73-5)

Guidance literature:

azorubine; With titanium(IV) oxide; In water; at 50 ℃; for 2h;

With dihydrogen peroxide; In water; Catalytic behavior;

DOI:10.1039/c5dt03291a

Reference yield:

azorubine (3567-69-9) → 2-amino-1-naphthol (606-41-7) + Na(1+)*C10H7O4S(1-)

Guidance literature:

With iridium; hexacyanoferrate(III); In aq. phosphate buffer; at 40 ℃; for 24h; pH=7.5; pH-value; Concentration; Reagent/catalyst; Temperature; Catalytic behavior; Thermodynamic data; Activation energy;

DOI:10.14233/ajchem.2016.19308

upstream raw materials:

1-hydroxy-4-naphthalenesulfonate

Downstream raw materials:

2-amino-1-naphthol

3-hydroxyphthalic acid

3-sulfophthalic acid

benzene-1,2-dicarboxylic acid