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ChemicalBook >> CAS DataBase List >> Congo Red

Congo Red

Congo Red price.
  • $6 - $700
  • 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
34 prices
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Brand
  • Alfa Aesar
  • Ambeed
  • ApexBio Technology
  • Aronis compounds
  • Biosynth Carbosynth
  • BLDpharm
  • Chem-Impex
  • Matrix Scientific
  • Sigma-Aldrich
  • TCI Chemical
  • Tocris
  • Usbiological
Package
  • 20mg
  • 25mg
  • 500mg
  • 1g
  • 5g
  • 10g
  • 50
  • 25g
  • 250g
  • 10mM(in 1mL DMSO)
  • 100g
  • 500g
  • 1kg
  • 2Kg
  • 5kg
  • ManufacturerAlfa Aesar
  • Product numberB24310
  • Product descriptionCongo Red, indicator grade
  • Packaging25g
  • Price$55.3
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberB24310
  • Product descriptionCongo Red, indicator grade
  • Packaging100g
  • Price$151
  • Updated2023-06-20
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberB24310
  • Product descriptionCongo Red, indicator grade
  • Packaging500g
  • Price$503
  • Updated2023-06-20
  • 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
  • ManufacturerAmbeed
  • Product numberA111810
  • Product descriptionDirectRed28 Ind
  • Packaging100g
  • Price$19
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA111810
  • Product descriptionDirectRed28 Ind
  • Packaging500g
  • Price$72
  • 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
  • Packaging10mM(in 1mL DMSO)
  • Price$99
  • Updated2021-12-16
  • Buy
  • ManufacturerApexBio Technology
  • Product numberB7766
  • Product descriptionCongo Red
  • Packaging1g
  • Price$135
  • Updated2021-12-16
  • Buy
  • ManufacturerAronis compounds
  • Product numbere00658
  • Product descriptiondisodium3,3'-[4,4'-biphenyldiylbis(2,1-diazenediyl)]bis(4-amino-1-naphthalenesulfonate)
  • Packaging20mg
  • Price$30
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD03839
  • Product descriptionDirect Red 28
  • Packaging250g
  • Price$65
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD03839
  • Product descriptionDirect Red 28
  • Packaging500g
  • Price$100
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD03839
  • Product descriptionDirect Red 28
  • Packaging1kg
  • Price$185
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD03839
  • Product descriptionDirect Red 28
  • Packaging2Kg
  • Price$350
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD03839
  • Product descriptionDirect Red 28
  • Packaging5kg
  • Price$700
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Alfa Aesar B24310 Congo Red, indicator grade 25g $55.3 2023-06-20 Buy
Alfa Aesar B24310 Congo Red, indicator grade 100g $151 2023-06-20 Buy
Alfa Aesar B24310 Congo Red, indicator grade 500g $503 2023-06-20 Buy
Ambeed A111810 DirectRed28 Ind 5g $6 2021-12-16 Buy
Ambeed A111810 DirectRed28 Ind 25g $10 2021-12-16 Buy
Ambeed A111810 DirectRed28 Ind 100g $19 2021-12-16 Buy
Ambeed A111810 DirectRed28 Ind 500g $72 2021-12-16 Buy
ApexBio Technology B7766 Congo Red 500mg $90 2021-12-16 Buy
ApexBio Technology B7766 Congo Red 10mM(in 1mL DMSO) $99 2021-12-16 Buy
ApexBio Technology B7766 Congo Red 1g $135 2021-12-16 Buy
Aronis compounds e00658 disodium3,3'-[4,4'-biphenyldiylbis(2,1-diazenediyl)]bis(4-amino-1-naphthalenesulfonate) 20mg $30 2021-12-16 Buy
Biosynth Carbosynth FD03839 Direct Red 28 250g $65 2021-12-16 Buy
Biosynth Carbosynth FD03839 Direct Red 28 500g $100 2021-12-16 Buy
Biosynth Carbosynth FD03839 Direct Red 28 1kg $185 2021-12-16 Buy
Biosynth Carbosynth FD03839 Direct Red 28 2Kg $350 2021-12-16 Buy
Biosynth Carbosynth FD03839 Direct Red 28 5kg $700 2021-12-16 Buy

Properties

Melting point :>360 °C (lit.)
Density :0.995 g/mL at 25 °C
vapor pressure :<1 Pa
storage temp. :Store at +5°C to +30°C.
solubility :H2O: soluble10mg/mL
Colour Index :22120
form :Powder/Solid
pka :4.1(at 25℃)
color :Red Brown
PH :6.7 (10g/l, H2O, 20℃)
PH Range :3(blue)-5.2(red)
Odor :Odorless
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
CAS DataBase Reference :573-58-0(CAS DataBase Reference)
EPA Substance Registry System :Congo Red (573-58-0)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H350 May cause cancer Carcinogenicity Category 1A, 1B Danger GHS hazard pictograms
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P405 Store locked up.
P501 Dispose of contents/container to..…

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.

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