1. Dye Reagents

Sunset Yellow FCF (Synonyms: Food Yellow 3; Orange Yellow S; C.I. 15985)

Cat. No.: HY-D0249
Handling Instructions

Sunset Yellow FCF 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.

For research use only. We do not sell to patients.

Sunset Yellow FCF Chemical Structure

Sunset Yellow FCF Chemical Structure

CAS No. : 2783-94-0

Size Price Stock Quantity
10 mM * 1 mL in Water USD 66 In-stock
Stock in Sweden
Estimated Time of Arrival: December 31
1 g USD 60 In-stock
Stock in Sweden
Estimated Time of Arrival: December 31
5 g   Get quote  
10 g   Get quote  

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  • Biological Activity

  • Technical Information

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Description

Sunset Yellow FCF 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. Sunset Yellow is used in food, cosmetics, and drugs.

Solvent & Solubility
In Vitro: 

H2O : ≥ 100 mg/mL (221.06 mM)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.2106 mL 11.0529 mL 22.1058 mL
5 mM 0.4421 mL 2.2106 mL 4.4212 mL
10 mM 0.2211 mL 1.1053 mL 2.2106 mL
*Please refer to the solubility information to select the appropriate solvent.
Molecular Weight

452.37

Formula

C₁₆H₁₀N₂Na₂O₇S₂

CAS No.

2783-94-0

SMILES

O=S(C1=CC=C2C(/N=N/C3=CC=C(S(=O)([O-])=O)C=C3)=C(O)C=CC2=C1)([O-])=O.[Na+].[Na+]

Storage

4°C, protect from light

Shipping

Room temperature in continental US; may vary elsewhere

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  • Molarity Calculator

  • Dilution Calculator

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass   Concentration   Volume   Molecular Weight *
= × ×

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

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Product Name:
Sunset Yellow FCF
Cat. No.:
HY-D0249
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Sunset Yellow FCF

Cat. No.: HY-D0249