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CAS NUMBER: 150-38-9
Trisodium EDTA is a salt of ethylenediamine tetraacetic acid, and is used in cosmetics and personal care products as a chelating agent with the ability to bind to metal ions.
This property allows Trisodium EDTA to assist in preventing the deterioration of formulas, maintaining clarity, protecting fragrance compounds, and preventing rancidity.
In cosmetics and personal care products, these ingredients are widely used and can be found in moisturizers, skin care and cleansing products, personal cleanliness products, bath soaps, shampoos and conditioners, hair dyes, hair bleaches, and many other product types.
Trisodium EDTA and its salts were developed to counteract the effects of hard water and heavy metal ions in the manufacture of textiles.
These metal chelators are widely used in cosmetics and personal care products, in food, and in medicines.
These ingredients form complexes with calcium, magnesium, and iron, which allows for better foaming and cleaning performance of cosmetics and personal care products.
By binding with metal ions, these ingredients prevent the metals from being deposited onto the hair, scalp and skin.
Trisodium EDTA is similar to Trisodium EDTA.
Used as a water-softening and chelating agent (a compound that binds and separates metals, keeping them from bonding to other ingredients).
Trisodium EDTA is an aminopolycarboxylic acid with the formula [CH2N(CH2CO2H)2].
This white, water-soluble solid is widely used to bind to iron and calcium ions.
Trisodium EDTA binds these ions as a hexadentate ("six-toothed") chelating agent.
Trisodium EDTA is produced as several salts, notably Trisodium EDTA, sodium calcium edetate, and Trisodium EDTA.
Trisodium EDTA is a prescription medicine, given by injection into the vein (intravenously) or into the muscle (intramuscularly).
Trisodium EDTA is used to treat lead poisoning and brain damage caused by lead poisoning; to see how well therapy for suspected lead poisoning is working; to treat poisonings by radioactive materials such as plutonium, thorium, uranium, and strontium; for removing copper in patients with a genetic disease called Wilson's disease; and for reducing levels of calcium in people whose levels are too high.
Trisodium EDTA is also used intravenously for heart and blood vessel conditions including irregular heartbeat due to exposure to chemicals called cardiac glycosides, "hardening of the arteries" (atherosclerosis), chest pain (angina), high blood pressure, high cholesterol, stroke, and blood circulation problems
Other intravenous uses include treatment of cancer, rheumatoid arthritis, osteoarthritis, an eye condition called macular degeneration, diabetes, Alzheimer's disease, multiple sclerosis, Parkinson's disease, and skin conditions including scleroderma and psoriasis.
Trisodium EDTA is used in the muscle for lead poisoning and related brain damage.
Trisodium EDTA is sometimes used as an ointment for skin irritations produced by metals such as chromium, nickel, and copper.
Eye drops containing Trisodium EDTA are used to treat calcium deposits in the eye.
In foods,Trisodium EDTA bound to iron is used to “fortify” grain-based products such as breakfast cereals and cereal bars.
Trisodium EDTA is also used to help preserve food; and to promote the color, texture, and flavor of food.
In manufacturing,Trisodium EDTA is used to improve stability of some pharmaceutical products, detergents, liquid soaps, shampoos, agricultural chemical sprays, contact lens cleaners and cosmetics.
Trisodium EDTA is also used in certain blood collection tubes used by medical laboratories.
Trisodium EDTA is a common polydentate ligand.
In Trisodium EDTA, the hydrogen atoms are easily removed in solution to produce anionic EDTA4-.
In its anionic form Trisodium EDTA has six binding atoms, two nitrogen and four oxygen.
Trisodium EDTA binds to a metal ion at the six binding sites, wrapping itself around the metal ion, forming a very stable complex.
The strong grasp of Trisodium EDTA on the metal ion is analogous to a crab or lobster clamping down on an object with its claw, hence the name chelation.
Trisodium EDTA is such an effective chelating agent because it can deactivate a metal at up to six sites.
USES:
Preservative and color retention agent in foods, flavoring agent. As antioxidant in foods.
Pharmaceutic aid (chelating agent); anticoagulant for blood collection. Chelating agent in personal care products, in pulp and paper industry, in laboratory titrimetric analysis of metals and solubilization of metal Compounds.
Trisodium EDTA is a colorless crystalline substance widely used to chelate metal ions.
Trisodium EDTA is marketed in its salt forms such as sodium Trisodium EDTA or calcium EDTA.
Trisodium EDTA hasindustrial and medical uses as a chelating agent.
Much of its utility is related to the fact that metals and metal compounds are important catalysts in numerous reactions.
By chelatingmetals, Trisodium EDTA prevents the metal from catalyzing reactions, thereby limiting degradation, oxidation,and other undesirable reactions.
The major industries using Trisodium EDTA and other chelatingagents are paper and pulp, cleaning products, chemicals, agriculture, and water treatment.
The paper and pulp industry is the major user of EDTA, where it is used to stabilize bleachesby sequestering metals that catalyze the degradation of bleaches.
Trisodium EDTA’s ability to stabilizebleaches also makes them useful in laundry detergents and various other cleaning products.In addition to improving bleaching effi ciency, Trisodium EDTA use in detergents and cleansers alsosoftens hard water by tying up divalent metal ions responsible for water hardness, primarilyCa2+ and Mg2+.
Its softening ability helps Trisodium EDTA reduce scale formation and improves foamingproperties in cleaning formulations.
Trisodium EDTA is applied in general water treatment to softenwater, helping to prevent scale and corrosion.
Trisodium EDTA has low toxicity and is used in the foodand beverage industry.
Foods naturally contain small traces of metals and small quantities areadded during food processing.
Trisodium EDTA is used with foods to preserve color and preserve flavor,prevent odors, maintain nutrient content, and extend shelf life.
When used in beverages,Trisodium EDTA preserves color and stabilizes other ingredients such as citric acid and benzoates.
In thechemical industry, Trisodium EDTA is used to control metal catalytic processes during reactions.
Trisodium EDTA salts are used in agriculture to provide metal micronutrients in fertilizers.
Trisodium EDTA and the related ingredients bind to metal ions which inactivates them.
The binding of metal ions helps prevent the deterioration of cosmetics and personal care products.
Trisodium EDTA also helps to maintain clarity, protect fragrance compounds, and prevent rancidity.
In industry, Trisodium EDTA is mainly used to sequester metal ions in aqueous solution.
In the textile industry, it prevents metal ion impurities from modifying colours of dyed products.
In the pulp and paper industry, EDTA inhibits the ability of metal ions, especially Mn2+, from catalysing the disproportionation of hydrogen peroxide, which is used in chlorine-free bleaching.
In a similar manner, Trisodium EDTA is added to some food as a preservative or stabiliser to prevent catalytic oxidative decolouration, which is catalysed by metal ions.
In soft drinks containing ascorbic acid and sodium benzoate, EDTA mitigates formation of benzene (a carcinogen).
The reduction of water hardness in laundry applications and the dissolution of scale in boilers both rely on EDTA and related complexants to bind Ca2+, Mg2+, as well as other metal ions.
Once bound to Trisodium EDTA, these metal complexes are less likely to form precipitates or to interfere with the action of the soaps and detergents.
For similar reasons, cleaning solutions often contain EDTA.
In a similar manner Trisodium EDTA is used in the cement industry for the determination of free lime and free magnesia in cement and clinkers.
The solubilisation of Fe3+ ions at or below near neutral pH can be accomplished using EDTA.
This property is useful in agriculture including hydroponics.
However, given the pH dependence of ligand formation, EDTA is not helpful for improving iron solubility in above neutral soils.
Otherwise, at near-neutral pH and above, iron(III) forms insoluble salts, which are less bioavailable to susceptible plant species.
Aqueous [Fe(EDTA)]− is used for removing ("scrubbing") hydrogen sulfide from gas streams.
In this application, the iron(III) centre is reduced to its iron(II) derivative, which can then be reoxidised by air.
In similar manner, nitrogen oxides are removed from gas streams using [Fe(EDTA)]2−.
The oxidising properties of [Fe(EDTA)]− are also exploited in photography, where it is used to solubilise silver particles.
Trisodium EDTA was used in separation of the lanthanide metals by ion-exchange chromatography.
In 1954,[citation needed] the method relies on the steady increase in stability constant of the lanthanide EDTA complexes with atomic number.
Using sulfonated polystyrene beads and Cu2+ as a retaining ion, EDTA causes the lanthanides to migrate down the column of resin while separating into bands of pure lanthanides.
The lanthanides elute in order of decreasing atomic number.
Due to the expense of this method, relative to countercurrent solvent extraction, ion exchange is now used only to obtain the highest purities of lanthanides (typically greater than 99.99%).
Trisodium EDTA is often used in personal care products to control metal ions over a wide pH range.
Trisodium EDTA functions by binding to metal ions and inactivating them to prevent degradation of the product, which prevents metal ions from accumulating on the skin and hair.
Again in powder form, Trisodium EDTA is one of the most versatile and widely used chelating agents.
Trisodium EDTA is the salt of Ethylenediamine Tetraacetic Acid (EDTA), another chelating compound.
When forming a synthetic compound, several materials react together to get a new one.
Often they may contain minerals and metal ions that can prevent the reaction from happening properly.
This is where a chelating agent can come in handy. By separating these particles (by catching them), Trisodium EDTA allows everything to go well and helps stabilize the final formula.
Our favorite analogy is to describe this material as a lobster and to describe Trisodium EDTA with claws covering minerals while swimming in the water.
Since Trisodium EDTA and its salts are used in a wide variety of cosmetics, food, medicine and household cleaning products, Trisodium EDTA has been the subject of in-depth research into its health and environmental effects since the 1980s.
A regularly raised concern is that they are hardly biodegradable and therefore present in most water systems.
However, according to numerous studies, they do not pose any problems for the environment or human and animal health as they do not bioaccumulate and are rapidly eliminated by organisms.
Trisodium EDTA is a metalloprotease inhibitor at effective concentrations of 1-10 mM.
Trisodium EDTA powder is powdery and you only need small amounts, so I recommend making a 50% masterbatch EDTA solution and using this liquid when making soap instead of powder.
Mix 1 part Trisodium EDTA with 1 part by weight of distilled water.
Stir until the powder dissolves. Store at room temperature in a tightly closed container.
Typical dosage for bar (NaOH) soap or liquid (KOH) soap is 0.5% Trisodium EDTA powder based on total batch weight.
This is 5 g EDTA powder per 1000 g total batch weight.
The total batch weight is the sum of oil weight + water weight + alkali weight.
The dosage range recommended by various sources is very wide ranging from 0.05% to 4% Trisodium EDTA powder by total batch weight.
Here are some tips to help you decide to prevent rancidity (DOS) in soap, dosages range from 0.05% to 0.25% (0.5 g to 2.5 g Trisodium EDTA powder per 1000 g total batch weight).
Kevin Dunn, author of the Scientific Soapmaking book, recommends 0.5g Trisodium EDTA per 1000g of oil to effectively control DOS.
(Note that Trisodium EDTA uses the weight of oil, not the total batch weight.) Dunn found that a mixture of 1.0 g of rosemary oleoresin (ROE) and 0.5 g of Trisodium EDTA powder added per 1000 g of oil could be more effective at preventing DOS than EDTA or ROE alone.
Trisodium EDTA also appears that a slightly higher EDTA dose is needed to reduce hard water contamination.
Handmade soaps typically use 0.25% to 0.5% (2.5 g to 5 g powder per 1000 g batch weight) and get good results.
Use the low percentage for soft water. Use the higher amount for hard water or if you are unsure of the water hardness.
Trisodium EDTA and related components bind to metal ions and inactivate them. The binding of metal ions helps prevent deterioration of cosmetics and personal care products. Trisodium EDTA also supports the preservation of clarity, the protection of fragrance components and the prevention of possible rancidity, especially in foods. Trisodium EDTA is widely used in moisturizers, skin care and cleaning products, personal cleaning products, soaps, shampoos and conditioners, hair dyes, etc., in many cosmetics and personal care products. The other solution is to gently flush the Trisodium EDTA caustic mixture with plenty of cold running water into the sewer and start over.
Trisodium EDTA in soft drinks containing ascorbic acid and sodium benzoate reduces the formation of benzene (carcinogenic).
Both Trisodium EDTA and similar complex materials are used to reduce water hardness in laundry applications and to dissolve lime formed in boilers, to bind Ca2 +, Mg2 + and other metal ions. After binding to Trisodium EDTA, these metal centers do not create a precipitate or affect the action of soaps and detergents. For this reason, cleaning solutions often contain Trisodium EDTA.
Trisodium EDTA is a molecule which complexes metal ions in aqueous environments.
Trisodium EDTA is available in four neutralizations, two of which, Trisodium EDTA are commonly used in the cosmetics.
Generally, the choice of which product to use is determined by the pH of your product.
Trisodium EDTA is recommended for alkaline products, like most handcrafted soap.
Trisodium EDTA can also be used in creams, lotions and surfactant systems.
If your formulation is clear or transparent, it may be preferred over Trisodium EDTA as Trisodium EDTA is much more soluble in water.
Either form works synergistically with your preservative to improve preservative efficacy.
In soaps, Trisodium EDTA can counteract the defoaming action of hardness ions, reducing soap scum and improving lather.
Trisodium EDTA is another chelating compound.
When creating a synthetic compound, several materials react together to obtain a new one.
Often, they can contain minerals and metal ions that can prevent the reaction from taking place properly.
This is where a chelating agent can come in handy.
By sequestering these particles (grabbing onto them), Trisodium EDTA allows everything to go well and helps stabilise the final formula.
The analogy we like the most is to describe this material as a lobster, with claws closing around the minerals as they float past in the water.
Since Trisodium EDTA and its salts are used in a wide range of cosmetics, food, pharmaceuticals and household cleaning products, they have been the subject of in-depth studies since the 1980s as to their impact on the health and the environment.
A regularly raised concern is that they are hardly biodegradable and are therefore found in most water systems.
However, according to numerous studies, they aren’t of any problem for the environment or human and animal health as they don't bioaccumulate and are quickly eliminated by organisms.
That said, Lush still remain cautious with these materials and avoid overusing them.
This is also why we prefer to declare Trisodium EDTA even if we don’t use it on its own.
Trisodium EDTA is a common polydentate ligand.
In Trisodium EDTA, the hydrogen atoms are easily removed in solution to produce anionic.
In its anionic form Trisodium EDTA has six binding atoms, two nitrogen and four oxygen.
Trisodium EDTA binds to a metal ion at the six binding sites, wrapping itself around the metal ion, forming a very stable complex.the strong grasp of Trisodium EDTA on the metal ion is analogous to a crab or lobster clamping down on an object with its claw, hence the name chelation.
Trisodium EDTA is such an effective chelating agent because it can deactivate a metal at up to six sites.
Trisodium EDTA, also known as editic acid, is a colorless crystalline substance widely used to chelate metal ions.
Trisodium EDTA is marketed in its salt forms such as Trisodium EDTA.
Trisodium EDTA is primarily used as antioxidant synergists, sequestering trace amounts of metal ions, particularly copper, iron, and manganese, that might otherwise catalyze autoxidation reactions.
Trisodium EDTA may be used alone or in combination with true antioxidants, the usual concentration employed being in the range 0.005–0.1% w/v.
Trisodium EDTA have been used to stabilize ascorbic acid; corticosteroids; epinephrine; folic acid; formaldehyde; gums and resins; hyaluronidase; hydrogen peroxide; oxytetracycline; penicillin; salicylic acid, and unsaturated fatty acids.
Essential oils may be washed with a 2% w/v solution of edetate to remove trace metal impurities.
Trisodium EDTA possess some antimicrobial activity but are most frequently used in combination with other antimicrobial preservatives owing to their synergistic effects.
Many solutions used for the cleaning, storage, and wetting of contact lenses contain Trisodium edetate.
Typically, edetic acid and edetates are used in concentrations of 0.01–0.1% w/v as antimicrobial preservative synergists.
Trisodium EDTA has therefore been recommended that nebulizer solutions for bronchodilation should not contain edetic acid.
Edetates, particularly Trisodium edetate and edetate calcium Trisodium, are used in a greater number and variety of pharmaceutical formulations than the free acid.
If Trisodium EDTA is used in preparations for the mouth, they can also leach calcium from the teeth.
In contrast, edetate calcium Trisodium does not chelate calcium.
Trisodium EDTA is nephrotoxic and should be used with caution in patients with renal impairment.
Although edetic acid is fairly stable in the solid state, edetate salts are more stable than the free acid, which decarboxylates if heated above 150°C.
Trisodium EDTA loses water of crystallization when heated to 120°C.
Trisodium EDTA is slightly hygroscopic and should be protected from moisture.
Aqueous solutions of edetic acid or edetate salts may be sterilized by autoclaving, and should be stored in an alkali free container.
Edetic acid and edetates should be stored in well-closed containers in a cool, dry place.
Trisodium EDTA is hygroscopic and is unstable when exposed to moisture.
Trisodium EDTA should be stored in a well-closed container in a cool, dry place.
Trisodium EDTA is used to hold metal ions in the laboratory.
Biochemistry and molecular biology are used as a consumer against enzymes.
In analytical chemistry, complexometric titration is used in water hardness masking agents analysis.
Trisodium EDTA is a popular food additive used as a preservative and flavoring.
Calcium Trisodium Trisodium EDTA works as a chelating agent.
This means it binds to metals and prevents them from participating in chemical reactions that could cause discoloration or flavor loss.
Trisodium EDTA is used to hold metal ions in the laboratory.
Biochemistry and molecular biology are used as a consumer against enzymes.
In analytical chemistry, complexometric titration is used in water hardness masking agents analysis.
USES FOR MEDICINE:
EDTA derivative, is used to bind metal ions in the practice of chelation therapy, such as for treating mercury and lead poisoning.
Trisodium EDTA is used in a similar manner to remove excess iron from the body.
This therapy is used to treat the complication of repeated blood transfusions, as would be applied to treat thalassaemia.
Dentists and endodontists use EDTA solutions to remove inorganic debris (smear layer) and lubricate the root canals in endodontics.
This procedure helps prepare root canals for obturation.
Furthermore, EDTA solutions with the addition of a surfactant loosen up calcifications inside a root canal and allow instrumentation (canal shaping) and facilitate apical advancement of a file in a tight or calcified root canal towards the apex.
Trisodium EDTA serves as a preservative (usually to enhance the action of another preservative such as benzalkonium chloride or thiomersal) in ocular preparations and eyedrops.
In evaluating kidney function, the chromium complex is administered intravenously and its filtration into the urine is monitored.
This method is useful for evaluating glomerular filtration rate (GFR) in nuclear medicine.
Trisodium EDTA is used extensively in the analysis of blood.
Trisodium EDTA is an anticoagulant for blood samples for CBC/FBCs, where the EDTA chelates the calcium present in the blood specimen, arresting the coagulation process and preserving blood cell morphology.
Tubes containing EDTA are marked with lavender or pink tops.
Trisodium EDTA is also in tan top tubes for lead testing and can be used in royal blue top tubes for trace metal testing.
Trisodium EDTA is a slime dispersant, and has been found to be highly effective in reducing bacterial growth during implantation of intraocular lenses (IOLs).
AGRICULTURAL USES:
Trisodium EDTA is short for ethylenediamhetetraacetic acid, an amino polycarboxylic acid.
Trisodium EDTA is a tetraprotic acid and is represented as H4Y with four carboxyl groups and two nitrogen atoms acting as ligand sites.
Thus the compound is a hexadentate ligand. Ligands include ions such as Cl-, NO2-and CN- or neutral molecules like NH3 and H2O, which possess a lone pair of electrons that can be shared with a metal cation in coordinate covalent bonds.
The water solubility of EDTA is very low and, therefore, its di-sodium salt Na2H2Y.2H2O is commonly used in titrations.
The Y4- forms very stable, one-to-one complexes with practically every metal ion in the Periodic Table.
The reactions are carried out in a neutral or alkaline medium as the complex decomposes in acidic medium.
(and hence deterioration) of the food product, to increase the storage life of whole blood by removing free calcium ions (Ca2+) to inhibit clotting, and (e) for extracting trace elements, especially copper.
EDTA metal complexes, such as NaFeEDTA, MnEDTA, ZnEDTA and CuEDTA are used as fertilizers and foliar sprays.
PHARMACEUTICAL APPLICATIONS:
Trisodium EDTA is used in pharmaceutical formulations, cosmetics, and foods as chelating agents.
They form stable water-soluble complexes (chelates) with alkaline earth and heavy metal ions.
The chelated form has few of the properties of the free ion, and for this reason chelating agents are often described as ‘removing’ ions from solution; this process is also called sequestering.
The stability of the metal–edetate complex depends on the metal ion involved and also on the pH.
The calcium chelate is relatively weak and will preferentially chelate heavy metals, such as iron, copper, and lead, with the release of calcium ions.
For this reason, edetate calcium Trisodium is used therapeutically in cases of lead poisoning.
Trisodium EDTA are primarily used as antioxidant synergists, sequestering trace amounts of metal ions, particularly copper, iron, and manganese, that might otherwise catalyze autoxidation reactions.
Trisodium EDTA may be used alone or in combination with true antioxidants, the usual concentration employed being in the range 0.005–0.1% w/v.
Trisodium EDTA have been used to stabilize ascorbic acid; corticosteroids; epinephrine; folic acid; formaldehyde; gums and resins; hyaluronidase; hydrogen peroxide; oxytetracycline; penicillin; salicylic acid, and unsaturated fatty acids.
Essential oils may be washed with a 2% w/v solution of edetate to remove trace metal impurities.
Trisodium EDTA possess some antimicrobial activity but are most frequently used in combination with other antimicrobial preservatives owing to their synergistic effects.
Many solutions used for the cleaning, storage, and wetting of contact lenses contain Trisodium edetate.
Typically, edetic acid and edetates are used in concentrations of 0.01–0.1% w/v as antimicrobial preservative synergists.
Trisodium EDTA may also be used as water softeners since they will chelate the calcium and magnesium ions present in hard water; edetate calcium Trisodium is not effective.
Many cosmetic and toiletry products, e.g. soaps, contain edetic acid as a water softener.
LABORATORY APPLICATIONS:
In the laboratory, EDTA is widely used for scavenging metal ions: In biochemistry and molecular biology, ion depletion is commonly used to deactivate metal-dependent enzymes, either as an assay for their reactivity or to suppress damage to DNA, proteins, and polysaccharides.
Trisodium EDTA also acts as a selective inhibitor against dNTP hydrolyzing enzymes (Taq polymerase, dUTPase, MutT), liver arginase and horseradish peroxidase independently of metal ion chelation.
These findings urge the rethinking of the utilisation of EDTA as a biochemically inactive metal ion scavenger in enzymatic experiments.
In analytical chemistry, EDTA is used in complexometric titrations and analysis of water hardness or as a masking agent to sequester metal ions that would interfere with the analyses.
Trisodium EDTA finds many specialised uses in the biomedical labs, such as in veterinary ophthalmology as an anticollagenase to prevent the worsening of corneal ulcers in animals.
In tissue culture EDTA is used as a chelating agent that binds to calcium and prevents joining of cadherins between cells, preventing clumping of cells grown in liquid suspension, or detaching adherent cells for passaging.
In histopathology, EDTA can be used as a decalcifying agent making it possible to cut sections using a microtome once the tissue sample is demineralised.
Trisodium EDTA is also known to inhibit a range of metallopeptidases, the method of inhibition occurs via the chelation of the metal ion required for catalytic activity.
Trisodium EDTA can also be used to test for bioavailability of heavy metals in sediments.
However, Trisodium EDTA may influence the bioavailability of metals in solution, which may pose concerns regarding its effects in the environment, especially given its widespread uses and applications.
Trisodium EDTA is also used to remove crud (corroded metals) from fuel rods in nuclear reactors.
PRODUCTION METHOD:
Trisodium EDTA may be prepared by the condensation of ethylenediamine with sodium monochloroacetate in the presence of sodium carbonate.
An aqueous solution of the reactants is heated to about 90°C for 10 hours, then cooled, and hydrochloric acid is added to precipitate the edetic acid.
Trisodium EDTA may also be prepared by the reaction of ethylenediamine with hydrogen cyanide and formaldehyde with subsequent hydrolysis of the tetranitrile, or under alkaline conditions with continuous extraction of ammonia.
HOW DOES IT WWORK:
Trisodium EDTA is a chemical that binds and holds on to (chelates) minerals and metals such as chromium, iron, lead, mercury, copper, aluminum, nickel, zinc, calcium, cobalt, manganese, and magnesium.
When they are bound, they can't have any effects on the body and they are removed from the body.
SAFETY:
Store in cool, dry conditions in a well-ventilated area.
SYNONYM:
150-38-9
Trisodium ethylenediaminetetraacetate
EDTA trisodium salt
Trisodium edetate
Ethylenediaminetetraacetic acid trisodium salt
UNII-420IP921MB
Trisodium hydrogen ethylenediaminetetraacetate
Trisodium ethylenediamine tetraacetate
Edetate Trisodium [USAN]
CHEBI:63125
edta trisodium
420IP921MB
