Congo Red
|
- $6 - $1572
- Product name: Congo Red
- CAS: 573-58-0
- MF: C32H22N6Na2O6S2
- MW: 696.66
- EINECS:209-358-4
- MDL Number:MFCD00004028
- Synonyms:3,3'-[(1,1'-BIPHENYL)-4,4'-DIYLBIS(AZO)]BIS(4-AMINO-1-NAPHTHALENESULFONIC ACID) 2NA;S NO 360;CONGO RED (CERT);Congo Red (0.1% in Water) [for pH Determination];3,3'-[(Biphenyl-4,4'-diyl)bisazo]bis(4-amino-1-naphthalenesulfonic acid sodium) salt;3,3'-[[1,1'-Biphenyl]-4,4'-diylbis(azo)]bis[4-amino-1-naphthalenesulfonic acid sodium] salt;Congo Ared 4b;Congo Red K
68 prices
Selected condition：
Brand
- aablocks
- AK Scientific
- Ambeed
- ApexBio Technology
- Aronis compounds
- Biosynth
- BLDpharm
- Chem-Impex
- ChemScene
- Matrix Scientific
- Sigma-Aldrich
- TCI Chemical
- Thermo Scientific Chemicals
- Tocris
- TRC
- Usbiological
Package
- 25mg
- 10mM(in1mLDMSO)
- 20mg
- 500mg
- 5g
- 50
- 1g
- 10.00g
- 10g
- 25g
- 100.00g
- 100g
- 250g
- 500g
- 1kg
- 2Kg
- 10kg
- 10mM(in 1mL DMSO)
- 5kg
- Manufactureraablocks
- Product numberAA00IA4V
- Product descriptionDirect Red 28
- Packaging5g
- Price$10
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IA4V
- Product descriptionDirect Red 28
- Packaging25g
- Price$11
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IA4V
- Product descriptionDirect Red 28
- Packaging100g
- Price$15
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IA4V
- Product descriptionDirect Red 28
- Packaging500g
- Price$68
- Updated2026-05-29
- Buy
- ManufacturerAK Scientific
- Product numberT410
- Product descriptionCongo Red 95%
- Packaging100g
- Price$69
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberT410
- Product descriptionCongo Red 95%
- Packaging25g
- Price$27
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberT410
- Product descriptionCongo Red 95%
- Packaging1g
- Price$18
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberT410
- Product descriptionCongo Red 95%
- Packaging500g
- Price$179
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberT410
- Product descriptionCongo Red 95%
- Packaging1kg
- Price$339
- Updated2026-06-04
- Buy
- ManufacturerAmbeed
- Product numberA111810
- Product descriptionDirectRed28 Ind
- Packaging500g
- Price$72
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA111810
- Product descriptionDirectRed28 Ind
- Packaging100g
- Price$19
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA111810
- Product descriptionDirectRed28 Ind
- Packaging5g
- Price$6
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA111810
- Product descriptionDirectRed28 Ind
- Packaging25g
- Price$10
- Updated2021-12-16
- Buy
- ManufacturerApexBio Technology
- Product numberB7766
- Product descriptionCongo Red
- Packaging10mM(in 1mL DMSO)
- Price$99
- Updated2021-12-16
- Buy
- ManufacturerApexBio Technology
- Product numberB7766
- Product descriptionCongo Red
- Packaging500mg
- Price$90
- Updated2021-12-16
- Buy
- ManufacturerApexBio Technology
- Product numberB7766
- Product descriptionCongo Red
- Packaging1g
- Price$135
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA00IA4V | Direct Red 28 | 5g | $10 | 2026-05-29 | Buy |
| aablocks | AA00IA4V | Direct Red 28 | 25g | $11 | 2026-05-29 | Buy |
| aablocks | AA00IA4V | Direct Red 28 | 100g | $15 | 2026-05-29 | Buy |
| aablocks | AA00IA4V | Direct Red 28 | 500g | $68 | 2026-05-29 | Buy |
| AK Scientific | T410 | Congo Red 95% | 100g | $69 | 2026-06-04 | Buy |
| AK Scientific | T410 | Congo Red 95% | 25g | $27 | 2026-06-04 | Buy |
| AK Scientific | T410 | Congo Red 95% | 1g | $18 | 2026-06-04 | Buy |
| AK Scientific | T410 | Congo Red 95% | 500g | $179 | 2026-06-04 | Buy |
| AK Scientific | T410 | Congo Red 95% | 1kg | $339 | 2026-06-04 | Buy |
| Ambeed | A111810 | DirectRed28 Ind | 500g | $72 | 2021-12-16 | Buy |
| Ambeed | A111810 | DirectRed28 Ind | 100g | $19 | 2021-12-16 | Buy |
| Ambeed | A111810 | DirectRed28 Ind | 5g | $6 | 2021-12-16 | Buy |
| Ambeed | A111810 | DirectRed28 Ind | 25g | $10 | 2021-12-16 | Buy |
| ApexBio Technology | B7766 | Congo Red | 10mM(in 1mL DMSO) | $99 | 2021-12-16 | Buy |
| ApexBio Technology | B7766 | Congo Red | 500mg | $90 | 2021-12-16 | Buy |
| ApexBio Technology | B7766 | Congo Red | 1g | $135 | 2021-12-16 | Buy |
Properties
Melting point :>360 °C (lit.)
Density :0.995 g/mL at 25 °C
bulk density :600-700kg/m3
vapor pressure :<1 Pa
storage temp. :Store at +5°C to +30°C.
solubility :H2O: soluble10mg/mL
form :Powder/Solid
Colour Index :22120
pka :4.1(at 25℃)
color :Red Brown
PH Range :3(blue)-5.2(red)
Odor :Odorless
PH :6.7 (10g/l, H2O, 20℃)
Water Solubility :soluble
λmax :497nm, 488nm, 595nm
Merck :14,2498
BRN :3894858
Stability :Stable. Incompatible with strong oxidizing agents.
Biological Applications :Detecting bacteria,protein folding disorders; treating dermatological disorders,neurodegenerative diseases,Alzheimer’s disease
Major Application :Waveguides, optical sensors, display devices, inks, fertilizer, pesticides, carbohydrates, treatment of pathogen infections, age-related macular degeneration
InChIKey :IQFVPQOLBLOTPF-HKXUKFGYSA-L
SMILES :[Na+].[Na+].Nc1c(cc(c2ccccc12)S([O-])(=O)=O)\N=N\c3ccc(cc3)-c4ccc(cc4)\N=N\c5cc(c6ccccc6c5N)S([O-])(=O)=O
CAS DataBase Reference :573-58-0(CAS DataBase Reference)
EPA Substance Registry System :Congo Red (573-58-0)
Density :0.995 g/mL at 25 °C
bulk density :600-700kg/m3
vapor pressure :<1 Pa
storage temp. :Store at +5°C to +30°C.
solubility :H2O: soluble10mg/mL
form :Powder/Solid
Colour Index :22120
pka :4.1(at 25℃)
color :Red Brown
PH Range :3(blue)-5.2(red)
Odor :Odorless
PH :6.7 (10g/l, H2O, 20℃)
Water Solubility :soluble
λmax :497nm, 488nm, 595nm
Merck :14,2498
BRN :3894858
Stability :Stable. Incompatible with strong oxidizing agents.
Biological Applications :Detecting bacteria,protein folding disorders; treating dermatological disorders,neurodegenerative diseases,Alzheimer’s disease
Major Application :Waveguides, optical sensors, display devices, inks, fertilizer, pesticides, carbohydrates, treatment of pathogen infections, age-related macular degeneration
InChIKey :IQFVPQOLBLOTPF-HKXUKFGYSA-L
SMILES :[Na+].[Na+].Nc1c(cc(c2ccccc12)S([O-])(=O)=O)\N=N\c3ccc(cc3)-c4ccc(cc4)\N=N\c5cc(c6ccccc6c5N)S([O-])(=O)=O
CAS DataBase Reference :573-58-0(CAS DataBase Reference)
EPA Substance Registry System :Congo Red (573-58-0)
Safety Information
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| Signal word: | Danger | ||||||||||||||
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Description
Congo red is useful for staining and visual detection of amyloid deposits. It inhibits the accumulation of the scrapie-associated, protease-resistant isoform of protein PrP without affecting the metabolism of the normal isoform.More related product prices
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Congo red
CAS:573-58-0
