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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | DIRECT RED 80 |
| Synonyms: | CI 35780;CI NO 35780;DIRECT RED 80;Fast Red BA;Ambidirect Red 3BL;Anadurm Red D-BA;Best Direct Supra Red F3B;Covalene Brilliant Red F3B |
| CAS: | 2610-10-8 |
| MF: | C45H33N10NaO21S6 |
| MW: | 1265.16 |
| EINECS: | 220-027-3 |
| Product Categories: | Organics |
| Mol File: | 2610-10-8.mol |
| density | 1.625[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | room temp |
| solubility | DMF: Slightly Soluble DMSO: Slightly SolublePBS (pH 7.2): 10 mg/ml |
| form | powder |
| Colour Index | 35780 |
| pka | pK1-6 < 2; pK7.8 >13(at 25℃) |
| color | Dark green to Dark red to Black |
| Water Solubility | Partly soluble in water, very slightly soluble in ethanol, and cellosolve. Insoluble in many organic solvents. |
| λmax | 528 nm |
| ε(extinction coefficient) | ≥12000 at 277-283nm in H2O ≥15000 at 223-235nm in H2O ≥32000 at 524-530nm in H2O |
| Merck | 14,8548 |
| BRN | 8185575 |
| Cosmetics Ingredients Functions | HAIR DYEING |
| InChIKey | YIQKLZYTHXTDDT-IJPLDVMMSA-H |
| LogP | -2.82 at 20℃ |
| CAS DataBase Reference | 2610-10-8 |
| EPA Substance Registry System | C.I. Direct Red 80, hexasodium salt (2610-10-8) |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 2927.00.3000 |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| ALFA | English |
| Chemical Properties | Reddish brown powder. Soluble in water, solubility in water (60℃) 30g/L. Aqueous solution is bluish red to magenta, adding concentrated hydrochloric acid produces purple precipitate; adding concentrated sodium hydroxide solution is magenta purple. Difficult to dissolve in ethanol, ethylene glycol ether, insoluble in other organic solvents. Blue in concentrated sulfuric acid, bluish red to purple after dilution. Blue in concentrated nitric acid. | |||||||||||||||||||||||||||
| Stain for connective tissue. Dye for cellulose fibers. | ||||||||||||||||||||||||||||
| Uses | Direct red 80 is a dye useful as a cardiac muscle stain and as a model compound in adsorption studies. It has also been utilized to compare efficacy of textile dye removal in aqueous solutions. | |||||||||||||||||||||||||||
| ChEBI: An organic sodium salt resulting from the formal condensation of Sirius red F3B (acid form) with six equivalents of sodium hydroxide. A polyazo dye used principally in staining methods for collagen and amyloid. | ||||||||||||||||||||||||||||
| Flammability and Explosibility | Non flammable | |||||||||||||||||||||||||||
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| References | [1] L. C. U. JUNQUEIRA R. R B G Bignolas. Picrosirius staining plus polarization microscopy, a specific method for collagen detection in tissue sections[J]. Journal of Molecular Histology, 1979, 11 4: 447-455. DOI: 10.1007/bf01002772 [2] R W DAPSON. Certification procedures for sirius red F3B (CI 35780, Direct red 80).[J]. Biotechnic & Histochemistry, 2011, 86 3: 133-139. DOI: 10.3109/10520295.2011.570277 | |||||||||||||||||||||||||||
| Raw materials | Sulfanilic acid-->Aniline-2-sulfonic acid-->6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid)-->J acid |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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