Pigments & Colorants
REACH
Solvent Yellow 33
CAS Number
8003-22-3
EC Number
232-318-2
What is Solvent Yellow 33?
Solvent Yellow 33 (CAS 8003-22-3), also marketed as Quinoline Yellow and approved as D&C Yellow No. 10, is a synthetic quinoline-based colorant used to impart bright yellow hues.
Where is Solvent Yellow 33 used?
- Personal care and cosmetics: approved colorant for hair care products, soaps, and topical formulations
- Textile and leather: dye for synthetic fibers and leather finishing
- Paper manufacturing: uniform yellow toning in specialty and decorative grades
- Food-contact and packaging applications may reference this colorant.
Good to know: Buyers should confirm grade and purity documentation against the relevant regional regulatory framework prior to sourcing.
Other Names (Synonyms)
Quinoline Yellow|2-(quinolin-2-yl)-1H-indene-1,3(2H)-dione|D&C Yellow No 10|RefChem:581451|Colour Index No. 47005|C.I. Solvent Yellow 33|C.I. 47000|Chinoline Yellow D Sol.in Spirits
What are the physical properties of Solvent Yellow 33?
Melting Point 241 °C
Boiling Point 250°C[at 101 325 Pa]
Density 0.274[at 20℃]
Appearance yellow powder
Color Yellow to Dark Yellow
Form Solid
Water Solubility 5.438mg/L at 25℃
Vapor Pressure 0Pa at 25℃
Log P 3.55 at 25℃
How is Solvent Yellow 33 classified and handled safely? Learn More
Warning
GHS07· Irritant GHS08· Health Hazard
Hazard Statements
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H319 Causes serious eye irritation
H335 May cause respiratory irritation
H351 Suspected of causing cancer
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
Which trade and regulatory codes apply to Solvent Yellow 33?
Storage Class 11 - Combustible Solids
WGK (Germany) 3