Basic information
- CAS
2610-10-8- Standard SMILES
O=C(Nc1ccc2c(O)c(N=Nc3ccc(N=Nc4ccc(S(=O)(=O)[O-])cc4)cc3S(=O)(=O)[O-])c(S(=O)(=O)[O-])cc2c1)Nc1ccc2c(O)c(N=Nc3ccc(N=Nc4ccc(S(=O)(=O)[O-])cc4)cc3S(=O)(=O)[O-])c(S(=O)(=O)[O-])cc2c1.[Na+].[Na+].[Na+].[Na+].[Na+].[Na+]- InChIKey
YIQKLZYTHXTDDT-UHFFFAOYSA-H- Molecular formula
- C45H26N10Na6O21S6
- Average molar mass
- 1,373.1 g/mol
- Monoisotopic mass
- 1,371.89843953
Overview
Sirius red F3B is an organic sodium salt resulting from the formal condensation of Sirius red F3B (acid form) with six equivalents of sodium hydroxide. A polyazo dye used principally in staining methods for collagen and amyloid. It has a role as a fluorochrome and a histological dye. It contains a Sirius red F3B(6-).
Names & identifiers
- Preferred name
- Sirius Red F3B
- IUPAC
- hexasodium;4-hydroxy-7-[[5-hydroxy-7-sulfonato-6-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]naphthalen-2-yl]carbamoylamino]-3-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]naphthalene-2-sulfonate
- English name
- DIRECT RED 80
- Molecular formula
- C45H33N10NaO21S6
- Molecular weight
- 1265.16
Names & synonyms
Sirius Red F3BCHEBI:88279RefChem:1098571Direct Red 802610-10-8C.I. Direct Red 80Sirius Red F 3BSirius Red F 3BASirius RedDiazol Light Red 3BDurazol Brillant Red BSC.I. Direct Red 80, hexasodium salt
Show more names
CI NO 35780Fast Red BADuaazol Red BpicrosiriusredDirect Red F3BSirius Rosa BB
CI 35780MFCD000543891294D5G72NHexasodium 7,7'-(carbonyldiimino)bis(4-hydroxy-3-((2-sulphonato-4-((4-sulphonatophenyl)azo)phenyl)azo)naphthalene-2-sulphonate)2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis(4-hydroxy-3-((2-sulfo-4-((4-sulfophenyl)azo)phenyl)azo)-, hexasodium salt7,7'-(Carbonyldiimino)bis[4-hydroxy-3-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-2-naphthalenesulfonic acid hexasodium salthexasodium;4-hydroxy-7-[[5-hydroxy-7-sulfonato-6-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]naphthalen-2-yl]carbamoylamino]-3-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]diazenyl]naphthalene-2-sulfonatePicrosirius Red
Database identifiers
- CAS
Properties
Computed structural properties
- Topological polar surface area
- 574 Ų
- Hydrogen bond donors
- 4
- Hydrogen bond acceptors
- 29
- Rotatable bonds
- 10
- Heavy atoms
- 88
- Formal charge
- 0
- Complexity
- 2,790
Experimental & physicochemical properties
CosmeticsHair dyeing
Physicochemical properties
- Density
- 1.625 · 1.625[at 20℃]
- vapor pressure
- 0 Pa · 0Pa at 25℃
- storage temp.
- room temp
- solubility
- DMF: Slightly SolubleDMSO: Slightly SolublePBS (pH 7.2): 10 mg/ml
- form
- powder
- Colour Index
- 35780 · 35780
- pka
- 1 · pK1-6 < 2; pK7.8 >13(at 25℃)
- color
- Dark green to Dark red to Black
- Water Solubility
- Partly soluble in water, very slightly soluble in ethanol, and cellosolve. Insoluble in many organic solvents.
- λmax
- 528 nm · 528 nm
- ε(extinction coefficient)
- 12000 at · ≥12000 at 277-283nm in H2O≥15000 at 223-235nm in H2O≥32000 at 524-530nm in H2O
- Merck
- 14 · 14,8548
- BRN
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
Safety data
- PPE
- Eyeshields, Gloves, type N95 (US)
- wgk
- 3
- tsca
- TSCA listed
- hs_code
- 2927.00.3000
- safety_code
- 22-24/25
- Storage Class
- 11 - Combustible Solids
- Hazard statements
- H412
- REACH Registrations
- Active
- Precautionary statements
- P273-P501
Chemistry & industry
Uses & manufacturing
Use ClassificationCosmetics -> Hair dyeing
Applications
UsesStain for connective tissue. Dye for cellulose fibers.
UsesDirect red 80 is a dye useful as a cardiac muscle stain and as a model compound in adsorption studies. It has also been utilized to compare efficacy of textile dye removal in aqueous solutions.
Upstream & downstream products
Upstream raw materials
Suppliers98 total
国药集团化学试剂有限公司86-21-63210123 · [email protected]
梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
湖南韵邦生物科技股份有限公司0731-88532326 13319508186 · [email protected]
上海康朗生物科技有限公司021-61998208 18217752821 · [email protected]
广州纳珑化工有限公司
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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