Food Blue No. 2

cas: 860-22-0 — see every product listed under this CAS number, including other names

Food Blue No. 2 (CAS 860-22-0) is a chemical reagent available from Chemat. Available pack sizes: 25g. Offered by: TCI.

brandTCI
catalog numberF0148-25G
cas860-22-0
size25g
availability 2 tygodnie|2 weeks
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Available pack sizes

brand size price
TCI 25g 369.12 Pln

properties

delivery time2 weeks
categorychemicals
purity0
Structural formula: {0} (CAS {1})

Indigo carmine is an organic sodium salt resulting from the formal condensation of indigo carmine (acid form) with two equivalents of sodium hydroxide. It is an indicator at pH 11.5-14, changing from blue to yellow. It has a role as a two-colour indicator, a histological dye and a food colouring. It contains an indigo carmine(2-).

Source: ChEBI

Identity
Molecular formulaC16H8N2Na2O8S2
Molecular weight466.4 g/mol
IUPAC namedisodium;2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-5-sulfonate
InChIKeyJFVXEJADITYJHK-UHFFFAOYSA-L
SMILESC1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(N2)C3=NC4=C(C3=O)C=C(C=C4)S(=O)(=O)[O-])O.[Na+].[Na+]

Computed by PubChem (NCBI)

Also listed as