Molekula
Disperse Yellow 3
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
Disperse Yellow 3 is a synthetic organic pigment used primarily in dyeing polyester and other synthetic fibers. It is a yellow azo dye with good light and wash fastness. Beyond polyester, it is used to dye and print cellulose acetate, triacetate, nylon and acrylic fibers, and to color plastics such as polystyrene, PVC and polymethyl methacrylate. Available in powder form, it has a CAS number of 2832-40-8, a molecular formula of C15H15N3O2, and a molecular weight of 269.30 g/mol. Store at ambient temperatures. Handle with care due to the warning signal word. Molekula supplies Disperse Yellow 3 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £110.70 per pack ex VAT · £132.84 inc. VAT
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 | Yellow/dark brown powder |
| Ash | ≤ 0.5% |
| Assay | 98.0 - 102.0% |
| Strength | 300 - 350% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90032782 |
| CAS Number | 2832-40-8 |
| IUPAC Name | N-[4-[(2-hydroxy-5-methylphenyl)diazenyl]phenyl]acetamide |
| EC Number | 220-600-8 |
| Molecular Formula | C15H15N3O2 |
| Molecular Weight | 269.30 |
| Exact Mass | 269.1164 |
| SMILES | CC1=CC(=C(C=C1)O)N=NC2=CC=C(C=C2)NC(=O)C |
| InChIKey | PXOZAFXVEWKXED-UHFFFAOYSA-N |
| InChI | InChI=1S/C15H15N3O2/c1-10-3-8-15(20)14(9-10)18-17-13-6-4-12(5-7-13)16-11(2)19/h3-9,20H,1-2H3,(H,16,19) |
| PubChem CID | 17811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 3204115000 |
| Tariff Code | 3204110090 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H317 May cause an allergic skin reaction
- H351 Suspected of causing cancer
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P308+313 IF exposed or concerned: Get medical advice/attention
- P309+311 IF exposed or you feel unwell: Call a POISON CENTER or doctor/physician
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, 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
- Amacel Yellow G
- Artisil Yellow G
- C.I. Disperse Yellow 3
- Celutate yellow gh
- Cibacet yellow gba
- Disperse yellow G
- Disperse yellow Z
- Palanil yellow G
- Perliton yellow G
- Reliton yellow C
Frequently asked questions
What is Disperse Yellow 3 used for?
Disperse Yellow 3 is primarily used as a dye in the textile industry, especially for coloring polyester and other synthetic fibers.
What is the chemical formula and molecular weight of Disperse Yellow 3?
The chemical formula is C15H15N3O2, and the molecular weight is 269.30 g/mol.
How should Disperse Yellow 3 be stored?
It should be stored at ambient temperature, away from moisture and direct sunlight.
What grade of Disperse Yellow 3 does Molekula supply?
Molekula supplies Disperse Yellow 3 in technical grade, suitable for industrial applications.
Can Molekula supply Disperse Yellow 3 in bulk?
Yes, Molekula can supply Disperse Yellow 3 in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Disperse Yellow 3 order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) 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.