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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: | Chromeazurol B |
| Synonyms: | SOLOCHROME AZURINE;SOLOCHROME AZURINE BS;SUNCHROMINE PURE BLUE BX;NAPHTHOCHROME AZURINE 2B;NAPHTHALENE AZURE 2B;MORDANT BLUE 1;AcidchromepureblueB;AcidmordantlightblueB |
| CAS: | 1796-92-5 |
| MF: | C23H17Cl2NaO6 |
| MW: | 483.27 |
| EINECS: | 217-279-1 |
| Product Categories: | |
| Mol File: | 1796-92-5.mol |
| storage temp. | Refrigerator |
| solubility | Aqueous Base (Slightly), DMSO (Slightly), Methanol (Slightly), Water (Slightly) |
| form | Solid |
| Colour Index | 43830 |
| color | Red to Dark Red |
| Water Solubility | water: 1mg/mL, slightly hazy, orange |
| BRN | 4101148 |
| InChI | InChI=1S/C23H16Cl2O6.Na.H/c1-10-6-12(8-14(20(10)26)22(28)29)18(19-16(24)4-3-5-17(19)25)13-7-11(2)21(27)15(9-13)23(30)31;;/h3-9,26H,1-2H3,(H,28,29)(H,30,31);; |
| InChIKey | VPUMVRMADAWKEM-UHFFFAOYSA-N |
| SMILES | C(C1C(=CC=CC=1Cl)Cl)(=C1C=C(C)C(=O)C(C(=O)O)=C1)C1C=C(C)C(O)=C(C(=O)O)C=1.[NaH] |
| EPA Substance Registry System | Benzoic acid, 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichlorophenyl)methyl]-2-hydroxy-3-methyl-, disodium salt (1796-92-5) |
| Risk Statements | 36/37/38 |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
| HS Code | 3204.12.3000 |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| Chemical Properties | Orange-red powder, slightly soluble in cold water, soluble in hot water is brownish yellow, insoluble in ethanol is yellow-olive brown. In concentrated acid is red, diluted orange. Its aqueous solution with sodium hydroxide solution is violet blue. Less sensitive to metals when staining. Solubility in water (80℃) 100g/L. | |||||||||||||||||||||||||
| Chromeazurol B (cas# 1796-92-5) is a pH-sensitive dye based on a hydroxytriarylmethane core and two carboxylate functional groups, allowing for facile coordination to metal centres, and for the preparation of coordination polymers. Chromeazurol B is used as a sensitive stain for aluminimum in undecalcified cancellous bone. Dyes and metabolites. | ||||||||||||||||||||||||||
| Preparation | 2,6-Dichlorobenzaldehyde?and 2-Hydroxy-3-methylbenzoic acid condensation, the product oxidation and changed into sodium salt. | |||||||||||||||||||||||||
brilliant blue to red light navy blue. Brown powder. Soluble in water for brown light yellow, solubility for 100 g/l (80 ℃), slightly soluble in alcohol for yellow olive brown. Dye in concentrated sulfuric acid for red, with golden yellow after diluted. Its aqueous solution for yellow light brown, add sodium hydroxide solution into purple blue. Dyed the metal sensitivity smaller. Mainly used for dyeing wool, colour and lustre is brilliant light, good levelness. Fine, carded wool fabric are can be used. Also can be dyed silk and nylon. Can be in acetic acid chromium pretreatment of wool fabric direct printing, also can be used in the leather dyeing and used as organic pigment.
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| Raw materials | Sodium hydroxide-->2,6-Dichlorobenzaldehyde-->3-Methylsalicylic acid-->2,6-Dichlorobenzaldehyde-->3-Methylsalicylic 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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