Molekula
Solvent Yellow 43
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Solvent Yellow 43 is a synthetic organic dye used in solvents, inks, and coatings for its bright yellow color. It is a solid with a molecular formula of C20H24N2O2, a molecular weight of 324.42 g/mol, and is stable at ambient storage conditions. It carries a warning signal word because it is very toxic to aquatic life with long-lasting effects (H410). Molekula supplies Solvent Yellow 43 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 | Green/yellow powder |
| Density | 1.17 ± 0.01 |
| pH | 6.0 - 8.0 (1% aq.) |
| Assay | 98.0 - 102.0% |
| Solubility in alcohol | ≥ 250 g/l |
| Water (KF) | ≤ 2.0% |
| Solubility in MEK | ≥ 250 g/l |
| Solubility in 1-Methoxy-2-propanol | ≥ 300 g/l |
| Solubility in n-propanol | ≥ 150 g/l |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90034740 |
| CAS Number | 19125-99-6 |
| IUPAC Name | 2-butyl-6-(butylamino)benzo[de]isoquinoline-1,3-dione |
| EC Number | 242-828-7 |
| Molecular Formula | C20H24N2O2 |
| Molecular Weight | 324.42 |
| Exact Mass | 324.1838 |
| SMILES | CCCCNC1=C2C=CC=C3C2=C(C=C1)C(=O)N(C3=O)CCCC |
| InChIKey | DXWHZJXKTHGHQF-UHFFFAOYSA-N |
| InChI | InChI=1S/C20H24N2O2/c1-3-5-12-21-17-11-10-16-18-14(17)8-7-9-15(18)19(23)22(20(16)24)13-6-4-2/h7-11,21H,3-6,12-13H2,1-2H3 |
| PubChem CID | 87935 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 3204190600 |
| Tariff Code | 3204190077 |
Safety & GHS
-
Hazardous to the Environment
GHS09
Hazard statements
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, 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
- 1H-Benz[de]isoquinoline-1,3(2H)-dione, 2-butyl-6-(butylamino)-
- 2-Butyl-6-(butylamino)-1H-benz(de)isoquinoline-1,3(2H)-dione
- 2-butyl-6-(butylamino)-1H-benzo[de]isoquinoline-1,3(2H)-dione
- 2-butyl-6-(butylamino)benzo[de]isoquinoline-1,3-dione
- 2-butyl-6-(butylamino)benzo[de]isoquinoline-1,3-quinone
- 4-Butylamino-N-butyl-1,8-naphthalimide
- DXWHZJXKTHGHQF-UHFFFAOYSA-N
- Fluorol-7GA
- n-butyl-4-butylamino-1,8-naphthalimide
- N-butyl-4-butylaminonaphthalimide
Frequently asked questions
What is Solvent Yellow 43 used for?
Solvent Yellow 43 is primarily used as a solvent-soluble dye in applications such as inks, coatings, and plastics.
What is the chemical formula and molecular weight of Solvent Yellow 43?
The formula is C20H24N2O2 with a molecular weight of 324.42 g/mol.
How should Solvent Yellow 43 be stored?
It should be stored at ambient temperature, away from moisture and direct sunlight.
What grade of Solvent Yellow 43 is available?
Molekula supplies Solvent Yellow 43 in technical grade.
Can Molekula supply Solvent Yellow 43 in bulk?
Yes, Molekula can supply Solvent Yellow 43 in bulk quantities upon request.
What documentation comes with a purchase of Solvent Yellow 43?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
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.