Molekula
Quinoline Yellow
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Quinoline Yellow is a synthetic organic dye used in applications requiring bright yellow coloration, such as in coatings, plastics, and laboratory reagents. It is a yellow crystalline powder with the molecular formula C18H11NO2, a molecular weight of 273.2854 g/mol, and is stable at ambient storage conditions. It carries a warning signal word due to potential health hazards. Molekula supplies Quinoline Yellow from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Light yellow powder |
| Melting Point | ≥159° C |
| Ash | ≤1% |
| Moisture | ≤1% |
| Fineness | 80 mesh ≤5% |
| Electrical conductivity | ≤300 µs |
| Color differential value | ≤1 |
| Tint Strength | 100 ± 3% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 195 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Bright greenish yellow |
| Melting Point | 241 °C |
| Water Solubility | 0.169 mg/L at 25 °C |
| Vapour Pressure | 0.00000001 mmHg |
| log P (octanol/water) | 4.10 |
Source: PubChem CID 6731 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 87608292 |
| CAS Number | 8003-22-3 |
| IUPAC Name | 2-quinolin-2-ylindene-1,3-dione |
| EC Number | 201-453-9 |
| Molecular Formula | C18H11NO2 |
| Molecular Weight | 273.2854 |
| Exact Mass | 273.079 |
| SMILES | C1=CC=C2C(=C1)C=CC(=N2)C3C(=O)C4=CC=CC=C4C3=O |
| InChIKey | IZMJMCDDWKSTTK-UHFFFAOYSA-N |
| InChI | InChI=1S/C18H11NO2/c20-17-12-6-2-3-7-13(12)18(21)16(17)15-10-9-11-5-1-4-8-14(11)19-15/h1-10,16H |
| PubChem CID | 6731 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 32129000 |
| Tariff Code | 3212900000 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 11641 Yellow
- 2-(2-Quinolyl)-1,3-indandione
- 2-(quinolin-2-yl)-1H-indene-1,3(2H)-dione
- 2-quinolin-2-ylindene-1,3-dione
- Colour Index No. 47005
- D&C Yellow No 10
- Erio Chinoline Yellow 4G
- Quinoline Yellow 2SF
- Quinophthalone
- Solvent yellow 33
Frequently asked questions
What is Quinoline Yellow used for?
Quinoline Yellow is primarily used as a yellow dye in applications such as coloring plastics, waxes and hydrocarbon solvents, cosmetics, and industrial coatings.
What is the chemical formula and molecular weight of Quinoline Yellow?
The formula is C18H11NO2 with a molecular weight of 273.2854 g/mol.
How should Quinoline Yellow be stored?
It should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade of Quinoline Yellow does Molekula supply?
Molekula supplies Quinoline Yellow in technical grade; custom grades are available upon request.
Can Molekula supply Quinoline Yellow in bulk?
Yes, Molekula can supply Quinoline Yellow in bulk quantities; please contact sales for pricing and availability.
What documentation comes with a Quinoline Yellow order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.