Molekula
Reactive Red 198
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
Reactive Red 198 is a water-soluble, anionic azo dye used primarily in textile dyeing, especially for cellulose fibers like cotton. It offers good wash and light fastness. Available in powder form with a molecular weight of 968.21 g/mol, its chemical formula is C27H18ClN7Na4O15S5 and CAS number 145017-98-7. Stored at ambient temperatures, it requires no hazard labeling. Molekula supplies Reactive Red 198 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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5 g — $49.80 per pack
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 | Red/ dark red powder |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90026962 |
| CAS Number | 145017-98-7 |
| Molecular Formula | C27H18ClN7Na4O15S5 |
| Molecular Weight | 968.21 |
| SMILES | C1=CC(=CC(=C1)S(=O)(=O)[O-])NC2=NC(=NC(=N2)Cl)NC3=C4C(=CC(=C3)S(=O)(=O)[O-])C=C(C(=C4O)N=NC5=CC=C(C=C5)S(=O)(=O)CCS(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+] |
| REACH Code | Y110 |
| HTS Code | 3204.16.3000 |
| Tariff Code | 3204160090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, 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
No alternate names recorded for this product.
Frequently asked questions
What is Reactive Red 198 used for?
Reactive Red 198 is primarily used as a dye for cellulose fibers, such as cotton, in textile manufacturing.
What is the chemical formula and molecular weight of Reactive Red 198?
The formula is C27H18ClN7Na4O15S5 with a molecular weight of 968.21 g/mol.
How should Reactive Red 198 be stored?
It should be stored at ambient temperature, away from moisture and direct sunlight.
What grade of Reactive Red 198 is available?
Molekula supplies Reactive Red 198 in technical grade.
Can Molekula supply Reactive Red 198 in bulk?
Yes, Molekula can supply Reactive Red 198 in bulk quantities upon request.
What documentation comes with a purchase of Reactive Red 198?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
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.