tris(4-dimethylaminophenyl)methane
Leuco Crystal Violet
CAS: 603-48-5
Molecular Formula: C25H31N3
tris(4-dimethylaminophenyl)methane - Names and Identifiers
| Name | Leuco Crystal Violet |
| Synonyms | LCV Leucomethyl green Leucocrystalviolet Photoinitiator-6106 Leucogentian violet Leucocrystal violet Leuco Crystal Violet C.I. Basic Violet 3, leuco tris(4-dimethylaminophenyl)methane 4,4,4-Methylidynetris(N,N-dimethylaniline) 4,4',4''-Tris(dimethylamino)triphenylmethane 4,4',4''-Tris(N,N-dimethylaminophenyl)methane 4,4',4''-methanetriyltris(N,N-dimethylaniline) Aniline, 4,4',4''-methylidynetris[N,N-dimethyl- Aniline, 4,4',4''-methylidynetris*N,N-dimethyl- N,N,N,N,N,N-hexamethyl-4,4,4-methylidynetrianiline Benzenamine, 4,4',4''-methylidynetris[N,N-dimethyl- Benzenamine, 4,4',4''-methylidynetris*N,N-dimethyl- |
| CAS | 603-48-5 |
| EINECS | 210-043-9 |
| InChI | InChI=1/C25H31N3/c1-26(2)22-13-7-19(8-14-22)25(20-9-15-23(16-10-20)27(3)4)21-11-17-24(18-12-21)28(5)6/h7-18,25H,1-6H3 |
tris(4-dimethylaminophenyl)methane - Physico-chemical Properties
| Molecular Formula | C25H31N3 |
| Molar Mass | 373.53 |
| Density | 1.1857 (rough estimate) |
| Melting Point | 175-177°C(lit.) |
| Boling Point | 492.75°C (rough estimate) |
| Flash Point | 281.8°C |
| Solubility | Soluble in water and chloroform, aqueous solution and ethanol liquid are purple, almost insoluble in ether |
| Vapor Presure | 0-0Pa at 10-30℃ |
| Appearance | lavender powder |
| Color | White to light gray to slightly lavender |
| pKa | 5.93±0.24(Predicted) |
| Storage Condition | Amber Vial, Refrigerator |
| Stability | Stable, but light and air sensitive. Incompatible with strong oxidizing agents. |
| Sensitive | Sensitive to light and air |
| Refractive Index | 1.6270 (estimate) |
| MDL | MFCD00008314 |
| Physical and Chemical Properties | Crystal violet, also known as Basic Violet 3, is a metallic luster or dark green crystalline powder, soluble in water and chloroform, aqueous solution and ethanol solution is purple, almost insoluble in ether. They all belong to the class of triphenylmethane dyes. Crystal violet has carcinogenic, mutagenic, reproductive toxicity (CMR), is included in the European Union REACH regulation of substances of high concern (the seventh batch) list. |
| Use | Reagents for the determination of thallium, zinc, antimony, titanium, cadmium, tungsten, gold and mercury |
tris(4-dimethylaminophenyl)methane - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| HS Code | 32041990 |
tris(4-dimethylaminophenyl)methane - Reference Information
| LogP | 5.9 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| 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. Crystal violet (English Crystal violet) is a basic dye, soluble in water (solubility 9%) and alcohol (solubility 8.75%). Crystal violet is widely used in cytology, histology and bacteriology. It is an excellent stain. It is commonly used in nuclear staining, used to show the centrosome of chromosomes, and can be stained with starch, fibrin, glia and so on. Good results can be obtained when staining the cell nucleus with red and hematoxylin or other dyes is unsuccessful. With the double staining of the chromosome with red and crystal violet, the chromosome is stained red, the spindle silk is stained purple, so it is also a good stain to show cell division. With crystal violet dyeing cilia, the effect is also very good. Crystal violet stained sections, the disadvantage is not easy to long-term preservation. |
| biological activity | crystal violet is a triphenylmethane dye that allows the spectrophotometric determination of antimony in environmental and biological samples. |
| Use | for the determination of thallium, zinc, antimony, titanium, cadmium, tungsten, reagents such as gold and mercury |
Last Update：2024-04-09 02:00:09
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