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Malachite Green Carbinol base

Cat No.:V44387 Purity: ≥98%
Malachite Green Carbinol base (MGOH, MGCB) is an analogue of malachite green (MG) and is non-fluorescent.
Malachite Green Carbinol base
Malachite Green Carbinol base Chemical Structure CAS No.: 510-13-4
Product category: New3
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Malachite Green Carbinol base (MGOH, MGCB) is an analogue of malachite green (MG) and is non-fluorescent. Malachite Green Carbinol base (MGOH, MGCB) can be used as a pH regulator. MGCB molecules release OH- under UV light irradiation, causing the pH value to gradually change. The MGCB solution quickly changes from colorless to dark green under the irradiation of high-pressure UV lamp (500w, 50w/cm).
Malachite Green Carbinol base is a derivative of the triarylmethane dye malachite green, functioning as a pH regulation reagent that releases hydroxide ions upon UV irradiation. It is a non-fluorescent compound with the molecular formula C23H26N2O and a molecular weight of 346.47. The compound appears as a solid with a melting point of 163-168°C. It has been utilized in various biological and chemical applications, though its use has become limited due to safety concerns, particularly in aquaculture.
Biological Activity I Assay Protocols (From Reference)
Targets
Malachite Green Carbinol base does not have a specific biological receptor or enzyme target. Its mechanism of action is based on its chemical properties as a pH indicator and dye rather than engagement with a pharmacological target. The compound can release OH- under UV light irradiation, generating a progressive shift in pH values. Its potential biological effects are likely related to its ability to interact with cellular components as a cationic dye, but no specific molecular target has been identified in the context of drug discovery.
ln Vitro
Malachite green methanol base (MGOH, MGCB) is a colorless hydroxide derivative of triphenylmethane that functions as a photoinduced hydroxyl ion emitter. Used to dye silk, wool, jute, leather, and cotton. Also used as a biological stain, fungicide/parasiticide for fish[1][2].
In vitro, Malachite Green Carbinol base is characterized by its photochemical properties rather than pharmacological activity. Under high-pressure UV lamp irradiation (500 W, 50 W/cm), the MGCB solution rapidly turns from colorless to deep green. This color change is indicative of the pH-dependent properties of the compound. However, specific in vitro pharmacological activity data, such as IC50 values against cell lines or enzyme targets, are not available in the literature, as the compound is primarily used as a chemical reagent rather than a therapeutic agent.
ln Vivo
Specific in vivo activity data for Malachite Green Carbinol base are not available in the scientific literature. The compound has historical applications in various industries including aquaculture, but its systemic use has been limited due to safety concerns. As a chemical dye and pH indicator, it is not administered as a therapeutic agent in living organisms. No in vivo pharmacological studies have been reported for this compound.
Enzyme Assay
A cell-free assay for Malachite Green Carbinol base is not applicable as it is not an enzyme inhibitor or receptor ligand. The compound's properties are characterized by spectrophotometric methods to measure its colorimetric and pH-responsive characteristics. Its ability to release OH- under UV irradiation can be assessed by monitoring pH changes in solution. The purity of the compound for research use is typically ≥90% as determined by HPLC.
Cell Assay
Cellular experiments with Malachite Green Carbinol base are not typical, as the compound is not used as a pharmacologically active agent in cell-based assays. Its primary applications are as a chemical dye and pH indicator. Potential cellular studies would focus on its staining properties or pH-modulating effects rather than pharmacological activity. No specific cell-based protocols are described in the available literature.
Animal Protocol
In vivo animal experiments for Malachite Green Carbinol base are not described in the available sources. The compound is not used as a therapeutic agent in animal models. Its historical use in aquaculture has been limited due to safety concerns. No preclinical studies have been reported for this compound.
ADME/Pharmacokinetics
Malachite Green Carbinol base (CAS: 510-13-4) is a small molecule with a molecular weight of 346.47 and a molecular formula of C23H26N2O. Its IUPAC name is bis(4-(dimethylamino)phenyl)(phenyl)methanol. The compound is a solid at room temperature with a melting point of 163-168°C. For long-term storage, it should be kept in a cool, dry place. Pharmacokinetic properties are not applicable as it is not a therapeutic drug.
Toxicity/Toxicokinetics
Malachite Green Carbinol base is considered to have safety concerns, which have limited its use in various applications including aquaculture. Specific toxicological data, such as LD50 values, are not provided in the available sources. As a chemical dye, it should be handled with appropriate safety precautions. The compound is intended for research use only and is not for human consumption.
References

[1]. Organic additives stabilize RNA aptamer binding of malachite green. Talanta. 2016 Nov 1;160:172-182.

[2]. Versatile Dual Photoresponsive System for Precise Control of Chemical Reactions. ACS Nano. 2017 Aug 22;11(8):7770-7780.

Additional Infomation
Malachite green methanol is a benzene-based aromatic compound.
Malachite Green Carbinol base (CAS: 510-13-4) is a non-fluorescent derivative of malachite green also known as Solvent Green 1. It functions as a pH regulation reagent that releases OH- under UV light irradiation. The compound has a purity of ≥90% (HPLC) and appears as a solid with a melting point of 163-168°C. Its molecular formula is C23H26N2O and its molecular weight is 346.47. It is not an approved drug and is strictly for research purposes as a chemical reagent and dye.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C23H26N2O
Molecular Weight
346.46
Exact Mass
346.205
CAS #
510-13-4
PubChem CID
10521
Appearance
Green to dark green solid powder
Density
1.131g/cm3
Boiling Point
526.2ºC at 760mmHg
Melting Point
112-114ºC
Flash Point
268.2ºC
Index of Refraction
1.635
LogP
4.102
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
5
Heavy Atom Count
26
Complexity
386
Defined Atom Stereocenter Count
0
InChi Key
LXHOGENDFZKPSF-UHFFFAOYSA-N
InChi Code
InChI=1S/C23H26N2O/c1-24(2)21-14-10-19(11-15-21)23(26,18-8-6-5-7-9-18)20-12-16-22(17-13-20)25(3)4/h5-17,26H,1-4H3
Chemical Name
bis[4-(dimethylamino)phenyl]-phenylmethanol
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: This product requires protection from light (avoid light exposure) during transportation and storage.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.8863 mL 14.4317 mL 28.8634 mL
5 mM 0.5773 mL 2.8863 mL 5.7727 mL
10 mM 0.2886 mL 1.4432 mL 2.8863 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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