Skip to Content
Merck
CN
All Photos(2)

Key Documents

View All Documentation

465224

Sigma-Aldrich

Sunset Yellow FCF

Dye content 90 %

Synonym(s):

Food Yellow 3, Orange Yellow S

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Empirical Formula (Hill Notation):
C16H10N2Na2O7S2
CAS Number:
2783-94-0
Molecular Weight:
452.37
Colour Index Number:
15985
EC Number:
220-491-7
MDL number:
MFCD00036437
UNSPSC Code:
12171500
PubChem Substance ID:
24870256
NACRES:
NA.47

form

powder

Quality Level

200

composition

Dye content, 90%

technique(s)

microbe id | staining: suitable

mp

>300 °C (lit.)

density

0.617 g/cm3 at 26 °C

λmax

482 nm

ε (extinction coefficient)

≥20000 at 479-485 nm in H2O

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].Oc1ccc2cc(ccc2c1\N=N\c3ccc(cc3)S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C16H12N2O7S2.2Na/c19-15-8-1-10-9-13(27(23,24)25)6-7-14(10)16(15)18-17-11-2-4-12(5-3-11)26(20,21)22;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2/b18-17+;;

InChI key

OIQPTROHQCGFEF-QIKYXUGXSA-L

Looking for similar products? Visit Product Comparison Guide

General description

Sunset yellow FCF is a food dye, which is is substantially used in various food preparations. It is a orange-red coloured crystal, that is soluble in water and ethanol. It is used in treating bone metabolic diseases, dermatological disorders, respiratory illness etc. It can alter the functional responses of splenocytes at non-cytotoxic dose. It promotes immune suppression. Relative expression of surface receptors in T and B cells can be altered by sunset yellow FCF.
Sunset yellow FCF is a synthetic sulfonated monoazo dye, which belongs to the class of azo dyes. It is used in pharmaceuticals and cosmetics. Sunset yellow FCF is associated with asthma, immunosuppression, eczema, cancer and anxiety migraine.

Application

Sunset yellow FCF has been used to determine anaerobic biodegradability of azo dyes in the continuous and catalytic upflow stirred packed-bed reactor (USPBR) system.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
0000335379
0000335379
SHBQ2998
SHBN1363
SHBL0658

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service