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Chemical structure of FD&C yellow 6

GC30246

FD&C yellow 6

Also listed as Sunset Yellow FCF (Food Yellow 3)

Sunset Yellow FCF (Food Yellow 3) (Orange Yellow S) is a petroleum-derived orange azo dye with a pH dependent maximum absorption at about 480 nm at pH 1 and 443 nm at pH 13

ChemicalCAS2783-94-0MW452.37FormulaC16H10N2Na2O7S2
CAS number
2783-94-0
Molecular weight
452.37
Formula
C16H10N2Na2O7S2
Solubility
Water ： ≥ 100 mg/mL (221·06 mM)
InChIKey
OIQPTROHQCGFEF-UHFFFAOYSA-L
Catalogue number
GC30246
Brand
GLPBIO
Computed properties PubChem CID 17730 · TPSA 176 Ų · H-bond donors 1 · H-bond acceptors 9
TPSA
176 Ų
H-bond donors
1
H-bond acceptors
9
Rotatable bonds
2
Heavy atoms
29

SMILES C1=CC(=CC=C1N=NC2=C(C=CC3=C2C=CC(=C3)S(=O)(=O)[O-])O)S(=O)(=O)[O-].[Na+].[Na+]

Computed descriptors from PubChem (CID 17730), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.