Quinoline Yellow

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  • Identifiers

    CAS number
    8003-22-3

    Molecular formula
    C18H11NO2

    SMILES
    C1=CC=C2C(=C1)C=CC(=N2)C3C(=O)C4=CC=CC=C4C3=O

    Safety labels

    Irritant
    Irritant

  • Properties

    XLogP3-AA
    3.4

    Molecular weight
    273.3 g/mol

    Melting point expt.

    • 320 °F (Sublimes) (NTP, 1992)
    • 241 °C

    Solubility expt.

    • less than 1 mg/mL at 66 °F (NTP, 1992)
    • In water, 0.169 mg/L at 25 °C
    • In ethylene glycol monomethyl ether, 3 mg/mL; ethanol, 0.3 mg/mL
    • Soluble in acetone, benzene, toluene and xylene; slightly soluble in ethyl acetate, linseed oil, mineral oil, paraffin wax and stearic acid

  • Synonyms

    • Quinoline Yellow
    • 2-(quinolin-2-yl)-1H-indene-1,3(2H)-dione
    • CHEBI:53700
    • D&C Yellow No 10
    • RefChem:581451
    • D.C. Yellow No. 10
    • Colour Index No. 47005
    • 8003-22-3
    • Quinophthalone
    • Solvent yellow 33
    • 83-08-9
    • 11641 Yellow
    • Quinoline Yellow 2SF
    • Erio Chinoline Yellow 4G
    • 2-quinolin-2-ylindene-1,3-dione
    • 2-(2-Quinolyl)-1,3-indandione
    • D&C Yellow No. 11
    • 2-(2-Quinolyl)-1,3-indanedione
    • 2-(2-Quinolyl)-1H-indene-1,3(2H)-dione
    • C.I. SOLVENT YELLOW 33
    • D and C Yellow No. 11
    • D&C Yellow No 11
    • D & C Yellow 11
    • D and C Yellow 11
    • MFCD00011593
    • NSC 18950
    • 1H-Indene-1,3(2H)-dione, 2-(2-quinolinyl)-
    • Quinoline Yellow SS
    • Yellow 11
    • 1H-Indene-1, 2-(2-quinolinyl)-
    • D & C Yellow no. 11
    • 2-(2-Quinolinyl)-1H-indene-1,3(2H)-dione
    • Chinophthalon
    • CI 47000
    • QuinolineYellow
    • C.I. 47000
    • Amarelo Quinolina
    • EINECS 201-453-9
    • Quinophthalone (VAN)
    • DSSTox_CID_4906
    • Epitope ID:116214
    • DSSTox_RID_77574
    • Quinoline Yellow, 95.0%
    • DC YELLOW NO. 11
    • DSSTox_GSID_24906
    • SCHEMBL42716
    • MLS000037978
    • 2-(quinolin-2-yl)-2,3-dihydro-1H-indene-1,3-dione
    • orb2565394
    • orb2940600
    • CHEMBL1486465
    • SCHEMBL29350835
    • BDBM32227
    • cid_5355280
    • DTXSID00873130
    • MSK5877
    • NSC3047
    • NSC7503
    • 44F3HYL954
    • HMS2417K18
    • KI204
    • 2-(2-quinolyl)indane-1,3-dione
    • BB_SC-05451
    • HY-D0290
    • NSC-3047
    • NSC-7503
    • NSC18950
    • 2-(2-quinolyl)indane-1,3-quinone
    • Quinoline Yellow (C.I. 47000)
    • Tox21_202504
    • BBL027785
    • NSC-18950
    • STK367449
    • Quinoline Yellow, Dye content 95 %
    • AKOS000282972
    • Solvent Yellow 33 / Quinoline Yellow
    • CCG-103550
    • EBC-611434
    • NCGC00020851-01
    • NCGC00020851-02
    • NCGC00020851-03
    • NCGC00020851-04
    • NCGC00020851-05
    • NCGC00020851-06
    • NCGC00020851-07
    • NCGC00020851-08
    • NCGC00020851-09
    • NCGC00020851-10
    • NCGC00021766-02
    • NCGC00021766-03
    • NCGC00021766-04
    • NCGC00021766-05
    • NCGC00260053-01
    • AS-13999
    • Quinoline Yellow 2SF, analytical standard
    • SMR000035456
    • SY349355
    • CAS-8003-22-3
    • CS-0010202
    • NS00013519
    • ST50308384
    • 2-(1H-quinolin-2-ylidene)indene-1,3-dione
    • 2-(1H-quinolin-2-ylidene)indane-1,3-quinone
    • F87556
    • AE-641/14575007
    • SR-01000002715
    • Q7272330
    • SR-01000002715-2
    • 2-(2-quinolyl)-2-hydrocyclopenta[1,2-a]benzene-1,3-dione
    • 8003-22-3

  • Applications

    Quinoline Yellow (CAS 8003-22-3) is a synthetic dye used as a colorant in coatings and inks, for coloring plastics and polymer substrates, for textile dyeing, in paper and printing applications, and as a dye in analytical reagents or chemical indicators.

    gpt-5-nano

1 3

IFRA standard 51

Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
 No restriction
Category 2
Products applied to the axillae
 No restriction Category 7B
Leave-on products applied to the hair with some hand contact
 No restriction
Category 3
Products applied to the face/body using fingertips
 No restriction Category 8
Products with significant anogenital exposure
 No restriction
Category 4
Products related to fine fragrance
 No restriction Category 9
Products with body and hand exposure, primarily rinse off
 No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 No restriction Category 10A
Household care products with mostly hand contact
 No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 No restriction
Category 5D
Baby Creams, baby Oils and baby talc
 No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 No restriction
Category 6
Products with oral and lip exposure
 No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction