Direct Red 28

cas: 573-58-0 — see every product listed under this CAS number, including other names

Direct Red 28 (CAS 573-58-0) is a chemical reagent available from Chemat. Available pack sizes: 100mg, 2kg, 5g, 25g, 100g, 500g. Offered by: Dr. Ehrenstorfer, Biosynth, Chemat.

brandDr. Ehrenstorfer
catalog numberDRE-C12965400
cas573-58-0
size100mg
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Available pack sizes

brand size price
Dr. Ehrenstorfer 100mg price on request
Biosynth 2kg price on request
Chemat 5g 78.80 Pln
Chemat 25g 78.80 Pln
Chemat 100g 83.60 Pln
Chemat 500g 230.40 Pln

properties

purityNo data
delivery timeTo be confirmed by Chemat
Structural formula: {0} (CAS {1})

Congo Red is an indicator dye that is blue-violet at pH 3.0 and red at pH 5.0. It contains a 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonate). It is functionally related to a 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonic acid).

Source: ChEBI

Identity
Molecular formulaC32H22N6Na2O6S2
Molecular weight696.7 g/mol
IUPAC namedisodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate
InChIKeyIQFVPQOLBLOTPF-UHFFFAOYSA-L
SMILESC1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]

Computed by PubChem (NCBI)

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