Merck
CN
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465224

Sigma-Aldrich

Sunset Yellow FCF

Dye content 90 %

All Photos(2)
Synonym(s):
Food Yellow 3, Orange Yellow S
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
PubChem Substance ID:
24870256
NACRES:
NA.47

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form

powder

Quality Level

200

composition

Dye content, 90%

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

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General description

Sunset yellow FCF is a food dye, which is is substantially used in various food preparations.[1] It is a orange-red coloured crystal, that is soluble in water and ethanol.[2] It is used in treating bone metabolic diseases, dermatological disorders, respiratory illness etc.[2] 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.[1]
Sunset yellow FCF is a synthetic sulfonated monoazo dye,[3] which belongs to the class of azo dyes.[4] It is used in pharmaceuticals and cosmetics. Sunset yellow FCF is associated with asthma, immunosuppression, eczema, cancer and anxiety migraine.[4]

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.[5]

Packaging

25 g in glass bottle

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

Certificate of Analysis

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Certificate of Origin

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