1. Basic Product Information
· CAS Number: 12270-25-6
· Chemical Formula: C₁₃H₁₈ClN₅
· Synonyms: C.I. Basic Red 51, Basic Red 51, Cationic Red 51
· Appearance: Dark blue to black
· HS Code: 3204130000
· Minimum Order Quantity (MOQ): 1 FCL (Full Container Load)
2. Product Description
Basic Red 51 (CAS#12270-25-6) is a high-quality cationic dye. It is typically provided as a red to purplish-red powder, featuring favorable water solubility and strong dyeing performance. Thanks to its special chemical structure, it performs excellently when dyeing natural fibers including cellulose, wool and silk, as well as synthetic fibers like acrylic fibers. The dyed products show bright color and high color fastness. This product is particularly ideal for acrylic fiber dyeing and can produce a vivid red shade.
3. Physicochemical Parameters
| Item | Specification |
| Storage Temperature | Refrigerator, under inert atmosphere |
| Solubility | Slightly soluble in methanol (needs sonication); slightly soluble in water |
| Form | Solid |
| Color | Very Dark Blue to Black |
| CAS Database Reference | 12270-25-6 |
4. Product Applications & Safety Notes
· Papermaking: Used for dyeing paper to achieve bright and attractive colors.
· Leather Dyeing: Imparts long-lasting and bright red color to leather materials.
· Inks & Coatings: Applied as a colorant to deliver sharp and striking red effects.
· Safety & Storage: This dye may irritate the skin; avoid inhaling dust. Keep away from moisture and light during storage to avoid fading or quality degradation.
5. Delivery Time
· Inventory orders: 2–3 working days
· New production orders: 7–10 working days
