Orange G

Base Information

• Chemical Name: Orange G
• CAS No.: 1936-15-8
• Deprecated CAS: 53988-80-0
• Molecular Formula: C16H10N2Na2O7S2
• Molecular Weight: 452.376
• Hs Code.: 32041200
• European Community (EC) Number: 217-705-6
• UNII: 1Q6EJU80RN
• DSSTox Substance ID: DTXSID6021082
• Wikipedia: Orange_G
• NCI Thesaurus Code: C95167
• ChEMBL ID: CHEMBL410263
• Mol file: 1936-15-8.mol

Synonyms:1-phenylazo-2-naphthol-6,8-disulfonic acid, disodium salt;Acid Orange 10;Orange G

Chemical Property of Orange G

Chemical Property:

• Appearance/Colour: orange crystals or powder
• Melting Point: 141 °C
• PKA: 12.8(at 25℃)
• Flash Point: 14 °C
• PSA: 176.11000
• Density: 0.80 g/mL at 20 °C
• LogP: 4.93060
• Storage Temp.: 2-8°C
• Solubility.: H2O: soluble1mg/mL
• Water Solubility.: 5 g/100 mL (20 ºC)
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 9
• Rotatable Bond Count: 2
• Exact Mass: 451.97248157
• Heavy Atom Count: 29
• Complexity: 724

Purity/Quality:

98%,99%, ^*data from raw suppliers

Orange G ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi,F
• Hazard Codes: Xi,F
• Statements: 36/37/38-11
• Safety Statements: 22-24/25-37/39-26-16-7-36/37

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Dyes -> Azo Dyes
• Canonical SMILES: C1=CC=C(C=C1)N=NC2=C(C=CC3=CC(=CC(=C32)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+]
• Uses: Orange G is an azo dye used primarily as a histological stain. Dyes and metabolites. Collagen stain for connective tissue. Used with Orcein, Alizarin Blue 2B, and Fast Green FCF in Kornhauser′s quadruple stain for most elementary structures of tissues.

Technology Process of Orange G

There total 1 articles about Orange G 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:

benzenediazonium (2684-02-8) + 2-naphthol-3,6-disulphonic acid (148-75-4) → orange G (1936-15-8)

Guidance literature:

With alkali;

Reference yield: 99.0%

orange G (1936-15-8) + silver nitrate → sodium 7-hydroxy-8-(phenylazo)-1,3-naphthalenedisulfonate

Guidance literature:

In water; gentle heating for 1 h; elem. anal.;

DOI:10.1021/ic0520115

Reference yield:

orange G (1936-15-8) → 7-hydroxy-8-amino-naphthalene-1,3-disulphonate + aniline (62-53-3)

Guidance literature:

With dihydrogen peroxide; aluminium; at 25 ℃; pH=2.0; pH-value; Concentration; Reagent/catalyst; Kinetics; Sonication; Irradiation;

DOI:10.1016/j.ultsonch.2014.06.023

upstream raw materials:

benzenediazonium

2-naphthol-3,6-disulphonic acid

Downstream raw materials:

aniline

7-hydroxy-8-(hydroxyamino)naphthalene-1,3-disulfonic acid

phenol

formic acid