Acid red 1

Base Information

• Chemical Name: Acid red 1
• CAS No.: 3734-67-6
• Deprecated CAS: 97502-49-3,85537-28-6
• Molecular Formula: C18H13N3Na2O8S2
• Molecular Weight: 509.428
• Hs Code.: 3204.12
• European Community (EC) Number: 223-098-9
• UNII: 3365R6427R
• DSSTox Substance ID: DTXSID9044663
• Wikipedia: Red_2G
• Wikidata: Q417819,Q27159644
• ChEMBL ID: CHEMBL3184732
• Mol file: 3734-67-6.mol

Synonyms:azofloxin;azophloxine;benzeneazo-8-acetylamino-1-naphthol-3,6-disulfonic acid, sodium salt;C.I. 18050;red 2G

Chemical Property of Acid red 1

Chemical Property:

• Appearance/Colour: Red powder or granules
• Vapor Pressure: 0-0Pa at 25℃
• Boiling Point: 794.21℃[at 101 325 Pa]
• PSA: 205.21000
• Density: 1.37-1.774[at 20℃]
• LogP: 4.96200
• Storage Temp.: Amber Vial, Refrigerator
• Solubility.: Methanol (Slightly), Water (Slightly)
• Water Solubility.: 131.97g/L at 20℃
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 10
• Rotatable Bond Count: 3
• Exact Mass: 508.99394529
• Heavy Atom Count: 33
• Complexity: 863

Purity/Quality:

99.9% ^*data from raw suppliers

AcidRed1(TechnicalGrade) ^*data from reagent suppliers

Safty Information:

• Safety Statements: 22-24/25

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC(=O)NC1=C2C(=CC(=C1)S(=O)(=O)[O-])C=C(C(=C2O)N=NC3=CC=CC=C3)S(=O)(=O)[O-].[Na+].[Na+]
• Uses: Acid Red 1 is a synthetic red azo dye used as food additive. Studies have shown that Red Acid 1 is converted to toxic compound aniline and may ultimately interfere with blood haemoglobin. A useful stain with color index of 18050.

Technology Process of Acid red 1

There total 1 articles about Acid red 1 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: 98.2%

5-acetylamino-4-hydroxy-2,7-naphthalenedisulfonate disodium + aniline (62-53-3) → azophloxine (3734-67-6)

Guidance literature:

aniline; With hydrogenchloride; In water; N,N-dimethyl-formamide; at 25 ℃;

With sodium nitrite; In water; N,N-dimethyl-formamide;

5-acetylamino-4-hydroxy-2,7-naphthalenedisulfonate disodium; In water; N,N-dimethyl-formamide; at 25 ℃; for 0.00888889h;

Reference yield:

azophloxine (3734-67-6) → aniline (62-53-3) + benzene-1,2-dicarboxylic acid (88-99-3,73607-73-5)

Guidance literature:

With dihydrogen peroxide; In water; at 60 ℃; for 12h; pH=2; Reagent/catalyst; pH-value; Temperature; Kinetics; Catalytic behavior;

DOI:10.1039/c9ra03162f

Reference yield:

azophloxine (3734-67-6) → dihydrogen peroxide (7722-84-1)

Guidance literature:

With TiO₂; NaF; formic acid; In water; Irradiation (UV/VIS); aq. NaF added to TiO2; aq. suspn. of Acid Red 1 on fluorinated TiO2 in presence of formic acid irradiated (315-400 nm) at 35°C underatmospheric conditions; monitored by spectrophotometrically and by fluorimetric analysis; Kinetics;

DOI:10.1039/b511320b

upstream raw materials:

aniline

Downstream raw materials:

dihydrogen peroxide

carbon dioxide

Nitrate

Sulfate

Refernces