Basic Violet 14
Basic Violet 14
CAS: 632-99-5
Molecular Formula: C20H20ClN3
Basic Violet 14 - Names and Identifiers
| Name | Basic Violet 14 |
| Synonyms | AFB STAIN ROSANILINE C.I. 42510 Fuchsin basic Fuchsin, basic ROSANILINE HCL Basic Viloet14 Basic Violet 14 ROSANILINE CHLORIDE C.I. Basic Violet 14 RASANILINE HYDROCHLORIDE P-ROSANILINE HYDROCHLORIDE FUCHSIN RAL22 COLD AFB STAIN FUCHSIN SOLUTION, DECOLORIZED R C.I. Basic Violet 14 monohydrochloride C.I. Basic Violet 14, monohydrochloride (8CI) 4-[bis(4-aminophenyl)methylidene]-2-methylcyclohexa-2,5-dien-1-iminium chloride |
| CAS | 632-99-5 |
| EINECS | 211-189-6 |
| InChI | InChI=1/C20H19N3.ClH/c1-13-12-16(6-11-19(13)23)20(14-2-7-17(21)8-3-14)15-4-9-18(22)10-5-15;/h2-12,23H,21-22H2,1H3;1H |
Basic Violet 14 - Physico-chemical Properties
| Molecular Formula | C20H20ClN3 |
| Molar Mass | 337.85 |
| Density | 0.999g/mLat 20°C |
| Melting Point | 250 °C |
| Boling Point | 300℃[at 101 325 Pa] |
| Flash Point | 48°F |
| Water Solubility | 4 G/L (25 ºC) |
| Solubility | Soluble in ethanol and pentanol, slightly soluble in water, insoluble in ether |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Green or yellow-green metallic luster crystals |
| Color | Green to dark green |
| Maximum wavelength(λmax) | ['543 nm'] |
| Merck | 14,5652 |
| BRN | 4166684 |
| PH | 5-6 (1g/l, H2O, 25°C) |
| Storage Condition | 2-8°C |
| Sensitive | Easily absorbing moisture |
| Refractive Index | n20/D 1.334 |
| MDL | MFCD00012569 |
| Physical and Chemical Properties | Yellow-green flash crystal block or sand. Soluble in cold, hot water red-purple, easily soluble in alcohol red. Yellow-brown in concentrated sulfuric acid, almost colorless after dilution. Its aqueous solution with sodium hydroxide was an almost colorless liquid with a red precipitate. |
| Use | It is used to prepare Schiff reagent to detect aldehydes, and to determine some acid ions and metal ions by extraction spectrophotometry. It is also used for photometric detection of bromine, nitrite and sulfur dioxide. Used as a maximal inhibitor in polarographic analysis. It is also used as a nuclear dye for biochemical analysis and is the strongest nuclear dye. Can stain mucin, elastic tissue and magenta-loving particles. Nuclear staining of the central nervous system; used in bacteriology to identify Mycobacterium tuberculosis; in analytical chemistry, Schiff reagents are formulated to test aldehydes. Redox indicator titrated with bromate. |
Basic Violet 14 - Risk and Safety
| Risk Codes | R40 - Limited evidence of a carcinogenic effect R22 - Harmful if swallowed |
| Safety Description | S7 - Keep container tightly closed. S16 - Keep away from sources of ignition. S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN 2924 3/PG 2 |
| WGK Germany | 3 |
| RTECS | CX9850000 |
| TSCA | Yes |
| HS Code | 3204 13 00 |
Basic Violet 14 - Reference
| Reference Show more | 1. [IF=1.82] Wen Jiang et al."Preparation of viscose fiber modified with silkworm pupa chitosan oligosaccharide by β-glucosaccharase:."Text Res J. 2019;89(21-22):4461-4475 |
Basic Violet 14 - Introduction
This product is a mixture of magenta and sub-magenta (PArArosAnilinE) hydrochloride or acetate. Decomposition above 200 ℃. Soluble in alcohol is red; soluble in hot water is reddish-purple, yellow-brown in case of concentrated sulfuric acid, almost colorless after dilution; aqueous solution with sodium hydroxide is an almost colorless liquid with red precipitate. The maximum absorption wavelength (in ethanol) is 543nm(ε93000).
Last Update：2022-10-16 17:27:32
Basic Violet 14 - Reference Information
| Color index | 42510 |
| Biological applications | Detecting cancer; treating Jock itch,oral fungal infection,piles; periodic disease |
| LogP | 1.632 at 25℃ |
| (IARC) carcinogen classification | 2B (Vol. Sup 7, 57, 99, 100F) 2012 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| artificial dyes | that is aniline dyes or coal tar dyes, many kinds, a wide range of applications. Its disadvantage is that it is easy to fade by sunlight, aniline blue, bright green, methyl green and so on. In the production of attention to grasp the pH, and to avoid direct sunlight, but also after several years does not fade. Basic fuchsin is a Basic dye, dark red powder or crystalline, soluble in water (solubility 1%) and alcohol (solubility 8%). Basic fuchsin is widely used in biological production. It can be used to stain collagen fibers, elastic fibers, eosinophilic granules and nucleoplasm of central nervous tissue. In the biological production used to stain the vascular plant lignification wall, but also as the original algae, the whole red algae staining. In bacteriological smears, long used to identify mycobacterium tuberculosis. Deoxyribonucleic acid has been checked for use as a histochemical reagent in the Ergen's reaction. |
| Application | is used for dyeing cotton, acrylic, silk, leather, etc. The dyeing fastness of acrylic fiber is better. Can also be used for paper, feather, wheat straw, bamboo, wood, etc., can also be used to make lakes. mainly used for cotton, acrylic, silk, leather dyeing, can also be used for paper, feathers, straw, wood, it can also be used in the manufacture of Lakes for the preparation of Schiff reagent for the detection of aldehydes, and for the determination of some acid ions and metal ions by extraction spectrophotometry. Also used for photometric detection of bromine, nitrite and sulfur dioxide. Used as a maximal inhibitor in polarographic analysis. It is also used as a nuclear dye for biochemical analysis, which is the strongest nuclear dye, which can make the sticky prion, elastic tissue and magenta particle staining, central nerve nuclear staining, and the identification of Mycobacterium tuberculosis in bacteriology, analytical chemistry in the preparation of Schiff reagent test aldehydes. Redox indicator titrated with bromate. |
| production method | aniline, P-toluidine and o-toluidine are melted together with nitrobenzene and ferrous chloride for oxidative condensation, then it is dissolved and extracted with sulfuric acid, and then neutralized, salting out, filtered and dried to obtain the finished product. Raw material consumption (kg/t) P-toluidine 635 hydrochloric acid (31%) 210 o-toluidine 1170 sulfuric acid 1900 aniline 470 zinc chloride (98%) 785 nitrobenzene 1000 sodium hydroxide (100%) 970 p-nitrotoluene 360 calcium carbonate 330 ferrous chloride (98%) 800 |
| category | toxic substances |
| flammability hazard characteristics | flammable; Fire decomposition of toxic nitrogen oxides and chloride fumes |
| storage and transportation characteristics | warehouse low temperature, ventilation, dry |
| extinguishing agent | water, carbon dioxide, dry powder, sand |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 19:05:13
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