malachite green
Malachite green
CAS: 569-64-2;10309-95-2
Molecular Formula: C23H25ClN2
malachite green - Names and Identifiers
malachite green - Physico-chemical Properties
| Molecular Formula | C23H25ClN2 |
| Molar Mass | 364.91 |
| Density | 1.0448 (rough estimate) |
| Melting Point | 158-160°C |
| Boling Point | 520.91°C (rough estimate) |
| Water Solubility | 1486 mg l-1 (e) |
| Solubility | Soluble in water |
| Appearance | Dark green solid with metallic luster |
| Color | Brown |
| Maximum wavelength(λmax) | ['615nm, 425nm'] |
| BRN | 3580148 |
| pKa | 6.90(at 25℃) |
| Storage Condition | Refrigerator |
| Stability | Stable. Substances to be avoided include strong oxidizing agents. |
| Refractive Index | 1.5940 (estimate) |
| MDL | MFCD00011751 |
| Physical and Chemical Properties | Used for dyeing, and as veterinary medication. |
| Use | Used as a biological stain |
malachite green - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R41 - Risk of serious damage to eyes R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R63 - Possible risk of harm to the unborn child |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S46 - If swallowed, seek medical advice immediately and show this container or label. S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S39 - Wear eye / face protection. S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | BQ1190000 |
| HS Code | 29215900 |
| Hazard Class | 9 |
| Packing Group | III |
| Toxicity | LD50 oral in mouse: 80mg/kg |
malachite green - Reference
| Reference Show more | 1. Sun Wenfang, Huang Wei, Liu Xiangping. Determination of malachite green and leucomalachite green residues in water by ultra performance liquid chromatography-tandem mass spectrometry [J]. Journal of Environment and Health, 2018, v.35;No.278(08):79-81. 2. Wang Xuefeng, Wei Qingguang, fan Jiangping, et al. Sample pretreatment and detection conditions optimization of three sulfonamides and malachite green in aquatic products [J]. Journal of Food Safety and quality testing, 2018, 9(21):177-183. 3. Liao, Qiaobo, et al. "Catalyst-free and efficient fabrication of high crystalline differentiated covalent organic frameworks for selective guest adsorption." Journal of Materials Chemistry A 7.32 (2019): 18959-18970.https:// doi.org/10.1039/C9TA06214A 4. [IF = 14.919] Tian Li et al."Liquid-state quantitative SERS analyzer on self-ordered metal liquid-like plasmonic arrays."Nat Commun. 2018 Sep;9(1):1-12 5. [IF=13.273] Jie Xu et al."Polymerization of moldable self-healing hydrogel with liquid metal nanodroplets for flexible strain-sensing devices."Chem Eng J. 2020 Jul;392:123788 6. [IF=12.732] Qiaobo Liao et al."Catalyst-free and efficient fabrication of highly crystalline fluorinated covalent organic frameworks for selective guest adsorption."J Mater Chem A. 2019 Aug;7(32):18959-18970 7. [IF=9.297] Guotao Mao et al."A sustainable approach for degradation and detoxification of malachite green by an engineered polyphenol oxidase at high temperature."J Clean Prod. 2021 Dec;328:129437 8. [IF=7.46] Juanjuan Luo et al."Durable and flexible Ag-nanowire-embedded PDMS films for the recyclable swabbing detection of malachite green residue in fruits and fingerprints."Sensor Actuat B- Chem. 2021 Nov;347:130602 9. [IF=7.46] Muhammad Shafi et al."Highly sensitive and recyclable surface-enhanced Raman scattering (SERS) substrates based on photocatalytic activity of ZnSe nanowires."Sensor Actuat B- Chem. 2022 Apr;356:131360 |
malachite green - Introduction
Malachite green chloride is a triphenylmethane dye, which can generally find applications in aquaculture and is very effective against fungal infections.
Last Update：2022-10-16 17:26:28
malachite green - Reference Information
| Color index | 42000 |
| pH range of acid-base indicator discoloration | 0(green)-2(green-blue) |
| Biological applications | antigenic formulation; detecting nucleic acids; early diagnosis of tuberculosis; identifying mammal genes; treating Caners, fungal diseases,pulmonary culture; medical device |
| Main applications | Photoresists, color filter, printe circuit board, sol-gel matrix, liquid crystal games, decoder system, inks, highlights, herbicides, disinfectants, cosmetics, identifying mammal genes, detecting nuclear acids, mycobacterial growth, radiotherapy, treatment of patients with pulse culture Malachite Green |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | pigment green 18 (malachite green), is an organic dye, soluble in water, the aqueous solution is blue-green, it is widely used in industry, mainly used for dyeing cotton, wool, hemp products, leather, ceramic products and so on. In addition, malachite green has significant killing effect on fish parasites and mold in fish eggs, therefore, it is also widely used in aquaculture. It is used for dyeing hemp, silk, acrylic fabric, grass products, bamboo and wood. It can also be made into various lakes and pigments. host staining of plant virus infection, bacterial spore staining, red blood cell and Ascaris egg staining; Bacteriostat or amoeba biocide; Bacterial polysaccharide reagent; Clinical diagnostic reagent (determination of inorganic phosphate); photometric determination of gallium, tantalum, antimony, catalytic Photometric Determination of tungsten; Drop test sulfite and cerium, tungsten; Acid-base indicator, pH 0.0 (yellow) ~ 2.0 (green),11.6 (blue-green) ~ 14 (colorless); Redox indicator used as biological stain used for acrylic, silk, wool, anhydride, dyeing and manufacturing of tannin mordant dyeing cotton fiber lakes, Solvent dyes widely used in building materials, paint, coloring of plastics, etc. used in glass and enamel industries |
| production method | condensation of N,N-dimethylaniline with benzaldehyde in the presence of sulfuric acid, then lead dioxide and hydrochloric acid oxidation, and then with sodium sulfate to remove lead, neutralized with sodium carbonate, and then dissolved in oxalic acid, crystallization, filtration and drying to get the finished product. Raw material consumption (kg/t)N,N-dimethylaniline 780 hydrochloric acid (31%) 1250 urea 6 sodium hydroxide (100%) 350 benzaldehyde 340 sodium hypochlorite 4820 lead acetate (98%) 215 sodium sulfate (98%) 570 oxalic acid (98%) 520 refined salt 1900 soda ash (98%) 290 emulsifier OP 0.7 sulfuric acid (100%) 305 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 15:16:51
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malachite green
Sodium 1-heptanesulfonate monohydrate
ERGOLINE,8,9-DIDEHYDRO-6,8-DIMETHYL-
3-(4-BROMO-5-METHYL-1H-PYRAZOL-1-YL)-1-PROPANAMINE
(R)-Modafinil-d10 Carboxylate
乳清蛋白
ACID VIOLET 49
5-NIPA
Auriculin A
(E)-6-bromo-3-(6-bromo-1-octyl-2-oxoindolin-3-ylidene)-1-octylindolin-2-one
Sodium 1-heptanesulfonate monohydrate
ERGOLINE,8,9-DIDEHYDRO-6,8-DIMETHYL-
3-(4-BROMO-5-METHYL-1H-PYRAZOL-1-YL)-1-PROPANAMINE
(R)-Modafinil-d10 Carboxylate
乳清蛋白
ACID VIOLET 49
5-NIPA
Auriculin A
(E)-6-bromo-3-(6-bromo-1-octyl-2-oxoindolin-3-ylidene)-1-octylindolin-2-one