TRILON M LIQUID

Trilon M Liquid is an aqueous chelating agent containing approximately 40% trisodium methylglycinediacetate, commonly abbreviated MGDA.
In dishwashing, laundry, and industrial cleaning formulations, Trilon M Liquid controls dissolved metal ions that interfere with cleaning.
By forming water-soluble complexes with calcium, magnesium, and certain transition metals, Trilon M Liquid helps limit mineral deposits and unwanted metal-catalyzed reactions.

CAS Number: 164462-16-2 (dissolved trisodium methylglycinediacetate)
EC Number: 423-270-5 (dissolved trisodium methylglycinediacetate)
Molecular Formula: C7H8NNa3O6 (dissolved active ingredient; the aqueous solution has no single molecular formula)
Molecular Weight: 271.11 g/mol (dissolved active ingredient; the aqueous solution has no single molecular weight)

Synonyms: Methylglycinediacetic acid trisodium salt in water, aqueous trisodium methylglycinediacetate, aqueous MGDA-Na3 solution, trisodium dicarboxymethyl alaninate solution, Trilon M Liquid T, Trilon® M Liquid T, Trilon M Liq. T, Trilon® M Liq. T, Trilon M Liquid 40%, Trilon M Liquid T 40%, Trilon M 40% Liquid, Trilon M Aqueous Solution, Trilon M MGDA Solution, Trilon M MGDA-Na3 Solution, Trilon M Trisodium MGDA Solution, MGDA Liquid, MGDA 40% Solution, MGDA Trisodium Salt Solution, MGDA Trisodium Salt 40% Solution, MGDA-Na3 Liquid, MGDA-Na3 40% Solution, Trisodium MGDA Solution, Trisodium Methylglycinediacetate Solution, Trisodium Methylglycine Diacetate Solution, Methylglycinediacetic Acid Trisodium Salt Solution, Methylglycine Diacetic Acid Trisodium Salt Solution, Trisodium Dicarboxymethyl Alaninate Solution, Trisodium Dicarboxymethylalaninate, Trisodium Dicarboxymethyl Alaninate, Sodium Methylglycine Diacetate, Trisodium Methylglycinediacetate, Trisodium Methylglycine Diacetate, Methylglycinediacetic Acid Trisodium Salt, Methylglycine Diacetic Acid Trisodium Salt, Methylglycine-N,N-Diacetic Acid Trisodium Salt, Methylglycine N,N-Diacetic Acid Trisodium Salt, D,L-Methylglycinediacetic Acid Trisodium Salt, DL-Methylglycinediacetic Acid Trisodium Salt, N,N-Bis(Carboxymethyl)-DL-Alanine Trisodium Salt, N,N-Bis(Carboxymethyl)Alanine Trisodium Salt, N,N-Bis(Carboxylatomethyl)Alanine Trisodium Salt, Alanine N,N-Bis(Carboxymethyl) Trisodium Salt, Alanine N,N-Bis(Carboxymethyl) Sodium Salt (1:3), 2-Aminopropionic Acid N,N-Dicarboxymethyl Trisodium Salt, Trisodium N-(1-Carboxylatoethyl)Iminodiacetate, N-(1-Carboxylatoethyl)Iminodiacetic Acid Trisodium Salt, Trisodium 2-[Bis(Carboxylatomethyl)Amino]Propanoate, Trisodium 2-Methylnitrilotriacetate, Trisodium α-DL-Alanine Diacetate, Trisodium Alpha-DL-Alanine Diacetate, α-ADA Trisodium Salt, Alpha-ADA Trisodium Salt, MGDA, MGDA-Na3, MGDA·Na3, MGDA-3Na, Trisodium MGDA

APPLICATIONS

Automatic dishwashing

In automatic dishwashing detergents, Trilon M Liquid binds calcium and magnesium introduced by the wash water.
Trilon M Liquid keeps these hardness ions in soluble complexes instead of leaving them available to form mineral deposits.
The contribution of Trilon M Liquid becomes particularly useful when a detergent must perform across water supplies with different hardness levels.

During repeated wash cycles, Trilon M Liquid helps control the dissolved minerals that contribute to films on dishes and machine surfaces.
As heated water circulates, Trilon M Liquid also reduces the availability of calcium for deposit formation on wetted equipment.
The appearance of washed dishes still depends on the complete detergent, rinse conditions, and drying process alongside Trilon M Liquid.

Alkaline automatic dishwashing formulations can incorporate Trilon M Liquid as a chelating component alongside builders and cleaning agents.
Under suitable conditions, Trilon M Liquid maintains soluble metal complexes while other ingredients loosen and remove food residues.
Trilon M Liquid therefore performs a distinct function from surfactants, enzymes, and alkaline ingredients within the same detergent.

Trace iron, manganese, and copper can promote unwanted reactions involving peroxide bleach in a wash bath.
By binding some of these metals, Trilon M Liquid can help preserve bleach for stain removal during use.
This function of Trilon M Liquid does not establish compatibility between peroxide and every concentrated liquid formulation during storage.

Liquid dishwashing concentrates can receive Trilon M Liquid directly into their aqueous phase during manufacture.
Because Trilon M Liquid already contains dissolved MGDA, incorporation does not require a separate powder-dissolution step.
Formulation calculations must account for the approximately 40% active content of Trilon M Liquid rather than treating the entire added weight as MGDA.

Commercial dishwashing operations expose equipment to frequent cycles, warm water, and changing soil loads.
In a suitable detergent, Trilon M Liquid addresses mineral ions while the remaining ingredients tackle food soils.
Selecting an effective amount of Trilon M Liquid requires attention to incoming water hardness, detergent dilution, and the intended wash conditions.

Laundry and textile cleaning

In laundry detergents, Trilon M Liquid complexes calcium and magnesium before these ions interfere with cleaning ingredients.
Hardness ions can reduce the effectiveness of some anionic surfactants by promoting insoluble compounds.
By managing that interaction, Trilon M Liquid helps the surfactant system operate more consistently in hard water.

Repeated laundering with mineral-rich water can contribute to deposits on fabrics and washing equipment.
Trilon M Liquid reduces the concentration of unbound hardness ions available to form such residues.
The final feel and appearance of textiles depend on rinsing, soil removal, and the complete detergent as well as Trilon M Liquid.

Laundry bleach systems can be affected by small amounts of transition metals from water or soiled textiles.
Trilon M Liquid binds certain metal ions that would otherwise accelerate peroxide decomposition during washing.
When formulating a stored liquid concentrate, Trilon M Liquid and peroxide ingredients require a separate compatibility assessment.

For detergents targeting mixed household soils, Trilon M Liquid contributes metal control rather than acting as a stand-alone stain remover.
Surfactants, enzymes, and other cleaning ingredients perform their own functions while Trilon M Liquid limits interference from dissolved metals.
Performance against sebum, food residues, or discoloration must be assessed in the finished formulation under its intended wash conditions.

Commercial laundries handle large textile loads while incoming water quality and soil levels may vary.
Trilon M Liquid provides a liquid chelant that can be incorporated into suitable detergent concentrates for these operations.
The amount of Trilon M Liquid should reflect the water and formulation requirements instead of being selected from a universal dosage.

Hard surface and manual cleaning

Manual dishwashing liquids can include Trilon M Liquid to control hardness in the washing water.
While surfactants provide the principal grease-removal and foaming action, Trilon M Liquid binds dissolved calcium and magnesium.
This division of functions allows Trilon M Liquid to complement the cleaning system without being described as a surfactant.

All-purpose hard surface cleaners may incorporate Trilon M Liquid to limit mineral interference during wiping and rinsing.
Trilon M Liquid can keep some dissolved metals from contributing to residue as the cleaning solution dries.
Surface clarity also depends on the other ingredients, the amount applied, and the thoroughness of removal.

In floor-cleaning concentrates, Trilon M Liquid addresses metal ions introduced by the dilution water or the surface being cleaned.
Regular cleaning with hard water can otherwise provide repeated opportunities for mineral residue to accumulate.
Compatibility of a cleaner containing Trilon M Liquid must still be checked against the particular floor material and finish.

Bathroom cleaners face combinations of mineral deposits, soap residues, and organic soils.
When another ingredient releases calcium from a deposit, Trilon M Liquid can help maintain the released calcium in solution.
The effectiveness of Trilon M Liquid in this setting depends on formulation pH and must be distinguished from the ingredient that initially dissolves the deposit.

Spray-and-wipe cleaners can expose a thin layer of cleaning solution to rapid drying on a surface.
Trilon M Liquid helps manage dissolved metals within that solution before water evaporates or the cleaner is wiped away.
The finished cleaner’s tendency to leave streaks depends on its entire composition and application method, including the contribution of Trilon M Liquid.

Food service and processing equipment cleaning

Food and beverage facilities may include Trilon M Liquid in cleaners that address mineral ions in process water.
Acidic cleaning-in-place formulations can use Trilon M Liquid as one component of mineral-residue management.
Trilon M Liquid does not replace the acid’s deposit-dissolving action or establish suitability for direct food contact.

Alkaline cleaning-in-place formulations can combine Trilon M Liquid with ingredients that remove fats and other processing soils.
As cleaning proceeds, Trilon M Liquid helps keep selected dissolved metal ions from forming deposits elsewhere in the system.
The cleaning sequence for equipment containing Trilon M Liquid must be established for the actual soils, materials, and rinse procedure.

Commercial kitchens encounter variable water hardness alongside residues from beverages, milk, fats, and prepared foods.
A suitable warewashing formulation can use Trilon M Liquid to address the hardness portion of this cleaning challenge.
Trilon M Liquid is not a disinfectant, and the presence of Trilon M Liquid alone does not substantiate a sanitation claim.

Equipment repeatedly exposed to hot cleaning solutions can accumulate mineral deposits when hardness ions remain uncontrolled.
Trilon M Liquid can reduce the availability of those ions within an appropriately designed cleaning bath.
Trilon M Liquid does not replace inspection, mechanical cleaning, or other established steps needed to maintain processing equipment.

In food service cleaning concentrates, Trilon M Liquid can be combined with other ingredients before the concentrate is diluted for use.
The active MGDA delivered by Trilon M Liquid must be calculated from the concentration of the supplied solution.
The final use concentration of Trilon M Liquid then depends on the concentrate dilution and the demands of the cleaning process.

Vehicle and industrial cleaning

Vehicle wash concentrates may contain Trilon M Liquid to manage calcium and magnesium in the wash water.
By keeping hardness ions dissolved, Trilon M Liquid can reduce their contribution to mineral marks after rinsing.
The condition of a vehicle surface also depends on water quality, thorough rinsing, and drying alongside Trilon M Liquid.

Industrial degreasers can combine Trilon M Liquid with surfactants, solvents, and alkaline ingredients.
Those ingredients attack oily soils while Trilon M Liquid controls dissolved metals that could interfere with cleaning or leave residue.
Trilon M Liquid should therefore be described as a chelant within the degreaser, not as the ingredient that directly dissolves grease.

Parts-washing detergents may incorporate Trilon M Liquid to maintain soluble metal complexes in the wash bath.
Trilon M Liquid can be particularly relevant when mineral-containing water enters a recirculating cleaning system.
The behavior of a bath containing Trilon M Liquid must be evaluated against the actual parts, operating temperature, and accumulated soils.

Metal compatibility deserves attention when Trilon M Liquid is included in an industrial cleaner.
The alkaline concentrate of Trilon M Liquid can attack aluminum, and chelation can influence metal dissolution under some conditions.
A finished formulation containing Trilon M Liquid therefore requires evaluation on the intended metal surface at its working pH.

Industrial cleaning may take place at temperatures above those used for routine household washing.
Trilon M Liquid retains useful chelating behavior under many heated cleaning conditions.
Temperature can also alter the behavior of the remaining formulation, so Trilon M Liquid must be assessed within the complete process.

Formulation and process considerations

Trilon M Liquid supplies MGDA in a water-miscible form that can be blended into suitable aqueous formulations.
The water introduced with Trilon M Liquid contributes to the final product’s composition and must be included in formulation calculations.
When comparing Trilon M Liquid with a solid MGDA material, the meaningful comparison is based on active chelant content.

The amount of Trilon M Liquid required depends on both the quantity and identity of the metals entering a system.
Calcium and magnesium from hard water create a different demand from trace iron or copper introduced by equipment or raw materials.
Because MGDA in Trilon M Liquid commonly forms one-to-one complexes with metal ions, competing ingredients also affect the available chelating capacity.

Formulation pH changes the effective binding strength of Trilon M Liquid toward particular metal ions.
An acidic cleaner and an alkaline cleaner containing equal amounts of Trilon M Liquid may therefore behave differently.
Testing Trilon M Liquid at the intended pH and dilution gives a more useful assessment than relying on concentration alone.

Strong oxidizers and chlorine-releasing materials can degrade MGDA or disrupt complexes formed by Trilon M Liquid.
Although Trilon M Liquid can limit metal-catalyzed peroxide loss during washing, concentrated liquid mixtures require careful compatibility assessment.
The sequence of ingredient addition and storage conditions should reflect the complete formula containing Trilon M Liquid.

The MGDA active ingredient in Trilon M Liquid is readily biodegradable under standardized test conditions.
This characteristic makes Trilon M Liquid relevant when a cleaning formulation calls for an effective biodegradable chelant.
Ready biodegradability does not justify releasing concentrated Trilon M Liquid untreated into drains or natural waters.

DESCRIPTION

Trilon M Liquid is a yellowish aqueous solution rather than a pure liquid compound.
The active component of Trilon M Liquid is trisodium methylglycinediacetate, typically present at approximately 40% by weight.
The physical properties of Trilon M Liquid describe the commercial solution and should not be assigned to isolated solid MGDA trisodium salt.

The dissolved MGDA in Trilon M Liquid belongs to the aminocarboxylate class of chelating agents.
A nitrogen-containing structure and multiple carboxylate groups enable Trilon M Liquid to coordinate multivalent metal ions.
Trilon M Liquid commonly forms water-soluble complexes with a one-to-one relationship between MGDA and a bound metal ion.

Calcium and magnesium are particularly important to the behavior of Trilon M Liquid in cleaning water.
Trilon M Liquid also binds various transition metals, including iron, copper, and manganese, although binding strength differs among metals.
The stability of a complex formed by Trilon M Liquid depends on pH and on competing substances in the surrounding solution.

Trilon M Liquid is miscible with water in all proportions at 25 °C.
This characteristic allows Trilon M Liquid to distribute through the aqueous phase during suitable formulation processes.
The behavior of Trilon M Liquid in a finished cleaner also reflects the properties of the other ingredients.

At approximately 1.30 g/cm3 at 20 °C, Trilon M Liquid is denser than water.
The viscosity of Trilon M Liquid increases as temperature falls, which can affect pumping and transfer.
Although the reported pour point of Trilon M Liquid is below freezing, storage below 0 °C can cause precipitation.

The alkalinity of Trilon M Liquid is reflected in an approximately 11.0 pH measured for a 1% solution in distilled water.
That measurement does not establish the pH of every finished formulation containing Trilon M Liquid.
Acids and alkalis added to Trilon M Liquid can change the final pH and the conditional stability of its metal complexes.

Trilon M Liquid retains chelating activity across a broad range of conditions encountered in cleaning.
Strong oxidizers and chlorine-releasing materials can nevertheless degrade Trilon M Liquid or disturb its metal complexes.
Combining Trilon M Liquid with peroxide in a stored liquid formulation calls for particular compatibility assessment.

Container and equipment materials affect the practical handling of Trilon M Liquid.
Specified grades of austenitic stainless steel and polyethylene are suitable storage materials for Trilon M Liquid.
The alkaline concentrate of Trilon M Liquid can attack aluminum, while carbon steel presents limitations under some aerated conditions.

The active MGDA in Trilon M Liquid meets criteria for ready biodegradability in standardized testing.
Ready biodegradability describes the active ingredient and does not permit untreated discharge of concentrated Trilon M Liquid into natural waters.
Appropriate storage, exposure control, and spill containment remain necessary when handling Trilon M Liquid.

PROPERTIES

Appearance: Yellowish to yellow liquid
Odor: Slight, product-specific odor
Active content: Approximately 40% trisodium MGDA by weight
Water content: Approximately 56% by weight
Density: Approximately 1.30 g/cm3 at 20 °C
pH: Approximately 11.0 for a 1% solution in distilled water at 25 °C
Dynamic viscosity: Less than 20 mPa·s at 25 °C; approximately 60 mPa·s at 5 °C
Water miscibility: Miscible in all proportions at 25 °C
Calcium binding capacity: Approximately 160 mg CaCO3 per g of Trilon M Liquid at pH 11
Pour point: Below −30 °C; precipitation during storage below 0 °C remains possible

FIRST AID

Inhalation:

Move anyone who has inhaled an aerosol of Trilon M Liquid to fresh air and keep the person calm.
Prevent further exposure to airborne Trilon M Liquid while assisting the affected person.
Obtain medical attention if coughing, breathing difficulty, or other symptoms persist.

Skin contact:

Remove clothing contaminated with Trilon M Liquid and wash affected skin thoroughly with soap and water.
Continue washing until Trilon M Liquid has been removed, including from skin beneath contaminated clothing.
Seek medical advice if irritation develops or continues after contact with Trilon M Liquid.

Eye contact:

Immediately rinse eyes exposed to Trilon M Liquid under running water for at least 15 minutes while holding the eyelids open.
Remove contact lenses if present and easy to remove, then continue rinsing away Trilon M Liquid.
Obtain medical attention if pain, redness, or impaired vision occurs or persists after exposure to Trilon M Liquid.

Ingestion:

After ingestion of Trilon M Liquid, rinse the mouth and give water if the person is conscious and able to swallow.
Do not induce vomiting or give anything by mouth to an unconscious person after ingestion of Trilon M Liquid.
Seek medical advice promptly if a substantial amount of Trilon M Liquid was swallowed or symptoms develop.

HANDLING AND STORAGE

Handling:

Keep containers of Trilon M Liquid closed except during transfer or dispensing.
Use procedures that prevent splashing of Trilon M Liquid onto skin, eyes, or clothing.
Wash hands after handling Trilon M Liquid and before eating or drinking.

Ventilation:

Provide ventilation appropriate to the transfer and mixing of Trilon M Liquid.
Spraying Trilon M Liquid or generating an aerosol creates a different inhalation concern from ordinary liquid transfer.
Control airborne Trilon M Liquid and use suitable respiratory protection when ventilation cannot adequately control aerosols.

Storage:

Store Trilon M Liquid in tightly closed, compatible containers away from contamination and prolonged excessive heat.
Keep Trilon M Liquid above 0 °C because lower storage temperatures can cause precipitation.
Suitable materials for Trilon M Liquid include specified austenitic stainless steels and polyethylene, while aluminum is unsuitable for the alkaline concentrate.

Spill and leak procedures:

Isolate a spill of Trilon M Liquid, wear suitable protective equipment, and prevent entry into drains or natural waters.
Absorb small spills of Trilon M Liquid with a suitable absorbent, and contain larger spills for recovery by pumping.
Place recovered Trilon M Liquid and contaminated absorbent in suitable containers for disposal under local requirements.

Handling precautions:

Wear chemical-resistant gloves and eye protection when handling Trilon M Liquid, with additional splash protection where needed.
Keep concentrated Trilon M Liquid away from incompatible light metals and chlorine-releasing materials.
Assess the compatibility of any formulation containing Trilon M Liquid with storage equipment and intended surfaces.