Sodium 4,4'-bis(p-hydroxyphenylazo)-2,2'-vinylenedibenzenesulphonate
Basic information
- CAS
3051-11-4- Standard SMILES
O=S(=O)([O-])c1cc(N=Nc2ccc(O)cc2)ccc1C=Cc1ccc(N=Nc2ccc(O)cc2)cc1S(=O)(=O)[O-].[Na+].[Na+]- InChIKey
YLDIUICHQPKMNH-UHFFFAOYSA-L- Molecular formula
- C26H18N4Na2O8S2
- Average molar mass
- 624.6 g/mol
- Monoisotopic mass
- 624.03614446
Names & identifiers
- Preferred name
- Sodium 4,4'-bis(p-hydroxyphenylazo)-2,2'-vinylenedibenzenesulphonate
- IUPAC
- disodium;5-[(4-hydroxyphenyl)diazenyl]-2-[2-[4-[(4-hydroxyphenyl)diazenyl]-2-sulfonatophenyl]ethenyl]benzenesulfonate
- English name
- BRILLIANT YELLOW
- Molecular formula
- C26H21N4NaO8S2
- Molecular weight
- 604.58
Names & synonyms
DTXSID8062814Sodium 4,4'-bis(p-hydroxyphenylazo)-2,2'-vinylenedibenzenesulphonateRefChem:203044DTXCID00382093051-11-4Sodium 6,6'-(ethene-1,2-diyl)bis(3-((4-hydroxyphenyl)diazenyl)benzenesulfonate)CHLORAZOL BRILLIANT YELLOW 3GS4,4'-Bis[(4-hydroxyphenyl)azo]stilbene-2,2'-disulfonic acid,sodiumBenzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[2-(4-hydroxyphenyl)diazenyl]-, sodium salt (1:2)B0783orb1944606orb2900424
Show more names
DIRECT YELLOW 4DIRECT YELLOWCI 24890CI NO 24890BrightyellowBrillantyellowBRILLIANT YELLOWDirect Yellow RCHC.I.DIRECTYELLOW4Fenamin Yellow 3G
orb3025840SCHEMBL1695301Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-(2-(4-hydroxyphenyl)diazenyl)-, sodium salt (1:2)disodium;5-[(4-hydroxyphenyl)diazenyl]-2-[2-[4-[(4-hydroxyphenyl)diazenyl]-2-sulfonatophenyl]ethenyl]benzenesulfonateDisodium 2,2'-(ethene-1,2-diyl)bis{5-[(4-hydroxyphenyl)diazenyl]benzene-1-sulfonate}
Properties
Computed structural properties
- Topological polar surface area
- 221 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 12
- Rotatable bonds
- 6
- Heavy atoms
- 42
- Formal charge
- 0
- Complexity
- 1,000
Experimental & physicochemical properties
Chemical ClassesDyes -> Azo Dyes
Physical DescriptionYellow-orange odorless powder; [GFS Chemicals MSDS]
Physicochemical properties
- Melting point
- 250 °C · >250°C
- storage temp.
- Amber Vial, Refrigerator
- solubility
- Solubility Soluble in water; slightly soluble in ethanol, acetone
- Colour Index
- 24890 · 24890
- form
- powder
- color
- Orange
- PH Range
- Yellow (6.4) to red-orange (8.0)
- Odor
- Odorless
- Water Solubility
- Partially soluble in water
- ε(extinction coefficient)
- 37000 at · ≥37000 at 260-268nm≥37000 at 486-494nm
- λmax
- 497 nm · 497nm
- BRN
- 4122338 · 4122338
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS ClassificationNot Classified
Hazard information
Regulatory InformationChemical: Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[(4-hydroxyphenyl)azo]-, disodium salt
Hazards SummaryMay cause irritation; [GFS Chemicals MSDS]
Hazard Classes and CategoriesNot Classified
Safety data
- PPE
- Eyeshields, Gloves, type N95 (US)
- wgk
- 3
- tsca
- TSCA listed
- hs_code
- 32041400
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- safety_code
- 22-24/25
- Storage Class
- 11 - Combustible Solids
- Hazard statements
- H315-H319-H227
- Precautionary statements
- P501-P210-P264-P280-P302+P352-P370+P378-P337+P313-P305+P351+P338-P362+P364-P332+P313-P403+P235
Chemistry & industry
Uses & manufacturing
UsesUsed as a water soluble pH indicator; [GFS Chemicals MSDS]
General Manufacturing InformationBenzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[2-(4-hydroxyphenyl)diazenyl]-, sodium salt (1:2): ACTIVE
Applications
UsesBrilliant yellow is an organic diazo dye and a ground water pollutant. Removal processes for brilliant yellow include nanofibrous membrane filtration and nanoplatelet adsorption. Dyes and metabolites.
Preparation methods
Preparation1,2-Bis(4-amino-2-sulfophenyl)ethene double nitriding, and phenol (2 Moore) coupled.
Upstream & downstream products
Upstream raw materials
Downstream products
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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