Basic information
- CAS
6262-07-3- Standard SMILES
O=S(=O)([O-])c1ccc2c(N=Nc3ccc(N=Nc4ccc(Nc5ccccc5)c(S(=O)(=O)[O-])c4)c4ccccc34)c(O)ccc2c1.[Na+].[Na+]- InChIKey
WXUZMLVSQROLEX-UHFFFAOYSA-L- Molecular formula
- C32H21N5Na2O7S2
- Average molar mass
- 697.7 g/mol
- Monoisotopic mass
- 697.06777857
Names & identifiers
- Preferred name
- Disodium 6-hydroxy-5-((4-((4-(phenylamino)-3-sulphonatophenyl)azo)naphthyl)azo)naphthalene-2-sulphonate
- IUPAC
- disodium;5-[[4-[(4-anilino-3-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]-6-hydroxynaphthalene-2-sulfonate
- English name
- Acid Black 26
- Molecular formula
- C32H21N5O7S2.2Na
- Molecular weight
- 697.658
Names & synonyms
DTXSID30889507Disodium 6-hydroxy-5-((4-((4-(phenylamino)-3-sulphonatophenyl)azo)naphthyl)azo)naphthalene-2-sulphonate2-Naphthalenesulfonic acid, 6-hydroxy-5-((4-((4-(phenylamino)-3-sulfophenyl)azo)-1-naphthalenyl)azo)-, disodium salt2-Naphthalenesulfonic acid, 6-hydroxy-5-(2-(4-(2-(4-(phenylamino)-3-sulfophenyl)diazenyl)-1-naphthalenyl)diazenyl)-, sodium salt (1:2)2-Naphthalenesulfonic acid, 6-hydroxy-5-[[4-[[4-(phenylamino)-3-sulfophenyl]azo]-1-naphthalenyl]azo]-, disodium salt2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-[4-[2-[4-(phenylamino)-3-sulfophenyl]diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:2)DISODIUM 6-HYDROXY-5-[[4-[[4-(PHENYLAMINO)-3-SULPHONATOPHENYL]AZO]NAPHTHYL]AZO]NAPHTHALENE-2-SULPHONATERefChem:589427DTXCID4010308642-Naphthalenesulfonic acid, 6-hydroxy-5-4-4-(phenylamino)-3-sulfophenylazo-1-naphthalenylazo-, disodium salt228-412-86262-07-3
Show more names
C.I.27070Acid Black NBPolan Black RBSupranol Black VL
Properties
Computed structural properties
- Topological polar surface area
- 213 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 12
- Rotatable bonds
- 6
- Heavy atoms
- 48
- Formal charge
- 0
- Complexity
- 1,270
Physicochemical properties
- Boiling point
- 280 ℃[at · 280℃[at 101 325 Pa]
- Density
- 1.364 · 1.364-1.471[at 20℃]
- vapor pressure
- 0 · 0-0Pa at 25℃
- Water Solubility
- 67.3 · 67.3-92.84g/L at 20℃
- LogP
- -2.5 · -2.5--1.984 at 20℃
- EPA Substance Registry System
- 26 · C.I. Acid Black 26, disodium salt (6262-07-3)
- Hazard statements
- 412 · H412
- Precautionary statements
- 273 · P273-P501
- TSCA
- TSCA listed
- REACH Registrations
- Active
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 Classification
This chemical does not meet GHS hazard criteria for 38.1% (16 of 42) of reports.
H412 (52.4%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
P273, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 42 reports by companies from 6 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory Information
Chemical: 2-Naphthalenesulfonic acid, 6-hydroxy-5-[[4-[[4-(phenylamino)-3-sulfophenyl]azo]-1-naphthalenyl]azo]-, disodium salt
REACH registered substance: Disodium 6-hydroxy-5-[[4-[[4-(phenylamino)-3-sulphonatophenyl]azo]naphthyl]azo]naphthalene-2-sulphonate (EC: 228-412-8)
2-Naphthalenesulfonic acid, 6-hydroxy-5-4-4-(phenylamino)-3-sulfophenylazo-1-naphthalenylazo-, disodium salt: Does not have an individual approval but may be used under an appropriate group standard
Hazard Classes and CategoriesAquatic Chronic 3 (52.4%)
Safety data
- tsca
- TSCA listed
- Hazard statements
- H412
- REACH Registrations
- Active
- Precautionary statements
- P273-P501
Chemistry & industry
Uses & manufacturing
General Manufacturing Information2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-[4-[2-[4-(phenylamino)-3-sulfophenyl]diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:2): ACTIVE
Applications
UsesAcid black 26 is a black agent whose coloring effect can be removed by adsorbents such as zeolites.
Preparation methods
Preparation5-Amino-2-(phenylamino)benzenesulfonic acid diazo, and Naphthalen-1-amine coupling, its product to diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.
Upstream & downstream products
Upstream raw materials
Suppliers10 total
Alfa Chemistry1-516-6625404 · [email protected]
Alfa Chemistry
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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