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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: | CRYSTAL PONCEAU 6R |
| Synonyms: | CRYSTAL SCARLET;CRYSTAL PONCEAU;CRYSTAL PONCEAU 6R;CI 16250;CI NO 16250;BRILLIANT CRYSTAL SCARLET;crystalscarlet(acidred44);PONCEAU 6R |
| CAS: | 2766-77-0 |
| MF: | C20H12N2Na2O7S2 |
| MW: | 502.43 |
| EINECS: | 220-441-4 |
| Product Categories: | |
| Mol File: | 2766-77-0.mol |
| Melting point | >300 °C(lit.) |
| storage temp. | Amber Vial, Refrigerator, Under inert atmosphere |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Powder |
| Colour Index | 16250 |
| color | Red |
| Water Solubility | water: soluble 10mg/mL, dark red |
| Stability: | Light Sensitive |
| WGK Germany | 3 |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| Uses | Crystal Ponceau 6R can be used as analyte in analytical study for determination of 36 artificial pigments in foods by ultra high performance liquid chromatography and time-of-fight mass spectrometry. Dyes and metabolites, Environmental Testing | ||||||||||||||||||||||||
| ChEBI: An organic sodium salt that is the disodium salt of 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid. | |||||||||||||||||||||||||
| Preparation | Naphthalen-1-amine diazo, and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling. | ||||||||||||||||||||||||
| Crystal Ponceau 6R is mainly used in the MSB (martius yellow–crystal scarlet–methyl blue) staining procedure for the staining of connective tissue and fibrin. | |||||||||||||||||||||||||
| Properties and Applications | red. Soluble in water for red, soluble in ethanol for yellow light red, almost insoluble in acetone. The strong sulfuric acid for red light blue, diluted for scarlet. In water solution to join hydrochloric acid colour and lustre is darker, and extra a flake crystallization precipitation part; Add thick sodium hydroxide solution for yellow brown.
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| Raw materials | 2-Naphthol-6,8-disulfonic acid-->1-Naphthylamine |
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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