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Carmine

CAT: 0013-GTR19237252-01Size: 50 mgDry Ice: NoHazardous: No
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CAT#:0013-GTR19237252-01Size:50 mg
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Description
Ponceau 4R is a synthetic strawberry red azo dye that is a food colorant dye used in a variety of food products. It is stable to light, heat and acid, but fades in the presence of ascorbic acid. It is usually synthesized from aromatic hydrocarbons.
CAS Number
2611-82-7
Purity
>98% (HPLC)
Solubility
In Vitro: H2O : 25 mg/mL (41.36 mM)
Molecular Formula
C20H11N2O10S3
Molecular Weight
534.9
Storage Conditions
Storage temperature: -20°C. Stability: ≥ 2 years
Notes
For research use only.

Chemical Information

C.I. Acid Red 18, trisodium salt

See also: Ponceau 4R, cochineal red A (annotation moved to); Ponceau 4R (annotation moved to).

CAS Number2611-82-7
PubChem CID17466
IUPAC Nametrisodium;7-hydroxy-8-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate
Molecular FormulaC20H11N2Na3O10S3
Molecular Weight604.5
Topological Polar Surface Area242
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count12
Rotatable Bond Count2
Heavy Atom Count38
Formal Charge0
Complexity1080
SMILES
C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N=NC3=C(C=CC4=CC(=CC(=C43)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+].[Na+]
InChI
InChI=1S/C20H14N2O10S3.3Na/c23-16-7-5-11-9-12(33(24,25)26)10-18(35(30,31)32)19(11)20(16)22-21-15-6-8-17(34(27,28)29)14-4-2-1-3-13(14)15;;;/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3
InChIKey
SWGJCIMEBVHMTA-UHFFFAOYSA-K
Chemical Structure
2D Structure
2D structure of C.I. Acid Red 18, trisodium salt
CAS: 2611-82-7
CID: 17466
Formula: C20H11N2Na3O10S3
MW: 604.5
Interactive 3D Structure
Loading 3D structure...
Computed Properties
PropertyValue
Molecular Weight604.5
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count12
Rotatable Bond Count2
Exact Mass603.92689092
Monoisotopic Mass603.92689092
Topological Polar Surface Area242 Ų
Heavy Atom Count38
Formal Charge0
Complexity1080
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently-Bonded Unit Count4
Compound Is CanonicalizedYes