PRODUCTS

PREVENTOL ON-S

Preventol ON-S is widely used as a preservative in industrial and consumer products due to its strong antimicrobial properties.
Preventol ON-S is commonly applied in paints and coatings to prevent the growth of bacteria, fungi, and algae during storage and after application.
In the adhesives and sealants industry, Preventol ON-S helps extend shelf life by inhibiting microbial contamination.

CAS Number (o-Phenylphenol): 90-43-7
CAS Number (Sodium o-phenylphenolate): 132-27-4
EC Number: 205-055-6
Chemical Type: Biocidal preservative based on sodium o-phenylphenolate (sodium salt of o-phenylphenol).
Chemical Formula (active substance): C₁₂H₉NaO
Molecular Weight: ~192.19 g/mol

SYNONYMS:
o-Phenylphenol sodium salt, Sodium o-phenylphenolate, Sodium orthophenylphenolate, Sodium o-phenylphenate, 2-Phenylphenol sodium salt, Sodium-2-phenylphenolate, Orthophenylphenol sodium salt, SOPP, OPP sodium salt, Exocide SOPP, Dowicide 1 antimicrobial, Nipacide OPP, Orthophenyl phenol, Phenyl-2-phenol, Hydroxy-2-phenylbenzene, 2-Hydroxybiphenyl, 2-Phenylphenol, Biphenyl-2-ol, 2-Hydroxydiphenyl, Xenol, Lyorthol, Stellisept, Rotoline, Preventol ON Extra, Invalon OP, (1,1'- biphenyl)-2-ol sodium salt (1:1), (1,1'- biphenyl)-2-ol, sodium salt, [1,1'- biphenyl]-2-ol, sodium salt, [1,1'- biphenyl]-2-ol, sodium salt (1:1), 2- biphenylol sodium salt, 2- biphenylol, sodium salt, 2- hydroxybiphenyl sodium salt, 2- hydroxydiphenyl sodium, o- phenyl phenol sodium salt, ortho- phenyl phenol sodium salt, o- phenylphenate sodium, o- phenylphenate, sodium, o- phenylphenol sodium, 2- phenylphenol sodium salt, o- phenylphenol sodium salt, ortho- phenylphenol sodium salt, o- phenylphenol, sodium, phenylphenol, sodium salt, 2- phenylphenol, sodium salt, o- phenylphenol, sodium salt, sodium (1,1'-biphenyl)-2-olate, sodium [1,1'-biphenyl]-2-olate, sodium 2-biphenylate, sodium 2-biphenylolate, sodium 2-hydroxydiphenyl, sodium 2-phenyl phenolate, sodium 2-phenylphenate, sodium 2-phenylphenolate, sodium o-phenol phenate, sodium o-phenolphenate, sodium o-phenyl phenate, sodium o-phenylphenate, sodium o-phenylphenol, sodium o-phenylphenolate, sodium o-phenylphenyolate, sodium ortho-phenol phenate, sodium ortho-phenolphenate, sodium ortho-phenyl phenate, sodium-2-biphenylate, sodium-o-phenylphenate, sodium-o-phenylphenol, sodium, (2-biphenylyloxy)-, Sodium 2-biphenylate, Sodium o-phenylphenate, Sodium ortho-phenylphenate, Natriphene, Sodium o-phenylphenoxide, Sodium o-phenylphenol, (1,1'-Biphenyl)-2-ol, sodium salt, KFV9K7N7UI, sodium phenylphenate, MICROBAN P 2, [1,1'-Biphenyl]-2-ol, sodium salt, NSC-1547, SODIUM ORTHO-PHENYLPHENATE [IARC], (1,1'-Biphenyl)-2-ol, sodium salt (1:1), (1,1'-Biphenyl)-2-ol, sodium salt, tetrahydrate, [1,1'-Biphenyl]-2-ol, sodium salt, tetrahydrate, dowizid, 2-Hydroxydiphenyl sodium salt, SODIUM ORTHO-PHENYLPHENATE (IARC), [1,1'-Biphenyl]-2-ol, sodium salt (1:1), OPP-NA, (2-biphenylyloxy)sodium, OPPsodium, MilDuRid, Sodiumophenylphenol, Sodiumophenylphenate, NaOPP, oPhenylphenol sodium, Sodium 2biphenylate, oPhenylphenate sodium, Sodium ophenylphenate, DECCOSOL, OPPNA, Sodium 2biphenylolate, Sodium 2phenylphenate, oPhenylphenate, sodium, Sodium ophenylphenolate, Sodium ophenylphenoxide, PREVENTOL ON, (2Biphenylyloxy)sodium, 2Hydroxydiphenyl sodium, Sodium 2hydroxydiphenyl, Sodium 2phenylphenoxide, Sodium ophenylphenyolate, Sodium orthophenylphenol, 2Biphenylol sodium salt, 2Biphenylol, sodium salt, 2Phenylphenol sodium salt, RefChem:887744, sodium orthophenylphenolate, Sodium, (2biphenylyloxy), oPhenyl phenol sodium salt, oPhenylphenol, sodium salt, 2Hydroxybiphenyl sodium salt, orthoPhenylphenol sodium salt, oPhenylphenol, sodium deriv., 2Hydroxydiphenyl, sodium salt, Sodium (1,1'biphenyl)2olate, orthoHydroxybiphenyl sodium salt, Phenol, ophenyl, sodium deriv., DTXSID9051325, (1,1'Biphenyl)2ol, sodium salt, O-HYDROXYBIPHENYL SODIUM SALT, O-PHENYLPHENOL, SODIUM DERIV., SODIUM O-PHENYLPHENATE [INCI], 1322-21-0, 612-164-6, 132-27-4, Sodium [1,1'-biphenyl]-2-olate, 2-Phenylphenol sodium salt, Sodium orthophenylphenoxide, Stopmold B, Sodium 2-biphenylolate, Mystox WFA, Preventol ON extra, Dowicide A, Sodium 2-phenylphenate, o-Phenylphenate, sodium, Sodium o-phenylphenolate, Sodium 2-phenylphenoxide, 2-Biphenylol sodium salt, Bactrol, Dowicide, Orphenol, o-Phenylphenol, sodium salt, 2-Hydroxybiphenyl sodium salt, Preventol-ON, Dowizid A, 2-Hydroxydiphenyl sodium, Dowicide A Flakes, sodium, 2-phenylphenolate, Mil-Du-Rid, 2-Biphenylol, sodium salt, o-Phenyl phenol sodium salt, Sodium 2-hydroxydiphenyl, Sodium o-phenylphenyolate, Sodium [1,1'-biphenyl]-2-olate(Flakes), Sodium (1,1'-biphenyl)-2-olate, MFCD00002209, D.C.S., o-Phenylphenol sodium, OPP-sodium, o-Phenylphenate sodium, Caswell No. 787, o-Phenylphenol sodium salt, o-Phenylphenol, sodium, Dowicide A & A flakes, Phenylphenol, sodium salt, Preventol ON & ON Extra, Sodium 2-biphenylate tetrahydrate, Sodium, (2-biphenylyloxy)-, CCRIS 693, 2-Hydroxydiphenyl, sodium salt, Sodium-o-phenylphenol, Sodium-o-phenylphenate, sodium biphenyl-2-olate, NSC 1547, Sodium 2-Phenylphenolate, EINECS 205-055-6, UNII-KFV9K7N7UI, C12H9NaO, EPA Pesticide Chemical Code 064104, AI3-09076, Phenol, o-phenyl-, sodium deriv., Sodium o-phenylphenate tetrahydrate, Sodium2-phenylphenol, Sodium 2-Hydroxybiphenyl, potassium o-phenyl-phenate, 2-BIPHENYLOL, SODIUM SALT, TETRAHYDRATE, SCHEMBL73034, orb3023598, Sodium o-phenylphenoxide [ISO], DTXSID2021153, SCHEMBL29695852, CHEBI:82371, MSK2526, Sodium[1,1'-biphenyl]-2-olate, AKOS006228608, AKOS015913820, O-PHENYLPHENOL SODIUM SALT [MI], AS-81717, SY030153, CS-0156415, NS00093615, P0202, C19298, F71217, Q6581446, Na-OPP, 2-hydroxybiphenyl, 2-hydroxydiphenyl, 2-phenylphenol, 2-phenylphenol sodium, Dowicide Lyorthol, o-phenylphenate, o-phenylphenol, ortho-phenylphenate, orthophenylphenol, sodium o-phenylphenoate, sodium ortho-phenylphenate, sodium ortho-phenylphenol

Preventol ON-S is a water-soluble sodium salt of 2-phenylphenol used primarily as a disinfectant, fungicide, and industrial preservative.
Preventol ON-S is a white-to-beige, water-soluble antimicrobial agent, preservative, and fungicide.
Preventol ON-S is a beige flaky solid.

pH of saturated solution of Preventol ON-S in water is 12.0-13.5
Preventol ON-S is a white solid; Beige flaky solid.
Preventol ON-S is an antimicrobial preservative based on the sodium salt of o-phenylphenol.

From a properties perspective, Preventol ON-S contains an aromatic phenolic structure that enables it to disrupt microbial cell membranes and interfere with enzymatic processes inside microorganisms.
This mechanism gives Preventol ON-S its bactericidal and fungicidal activity.

Preventol ON-S forms alkaline solutions, has relatively low volatility, and remains chemically stable during normal industrial use.
Preventol ON-S shows moderate solubility in water, especially under alkaline conditions, and can remain active in various industrial preservation systems.

These physicochemical and functional properties make Preventol ON-S a reliable antimicrobial agent for protecting materials and industrial formulations against microbial deterioration.
Preventol ON-S is a phenolic antimicrobial and preservative agent used primarily in industrial preservation systems.

Preventol ON-S contains the sodium salt of o-phenylphenol, a compound widely used for its fungicidal and bactericidal properties.
Preventol ON-S is typically supplied as solid flakes or alkaline formulations that can be dissolved or dispersed in water.

Preventol ON-S is a high-performance, alkaline, solid-formulation preservative based on o-phenylphenol (OPP).
Preventol ON-S provides broad-spectrum protection against bacteria, yeasts, and molds in aqueous industrial products.
Common applications of Preventol ON-S include preserving glues, adhesives, metalworking fluids, pigment slurries, and leather.

Preventol ON-S is soluble in water and alcohol.
Preventol ON-S is a bacteriostat and fungicide.
Preventol ON-S has the following active ingredients: o-Phenylphenol, sodium salt.

Preventol ON-S's approved for 7 sites including carpets, glues, jute, lumber, upholstery, and wood pallets.
Preventol ON-S is also approved for 8 pests and pest groups including but not limited to deterioration/spoilage bacteria, fungi, mold/mildew, molds, sapstain, wood mold, and wood rot/decay fungi.

Preventol ON-S is a solid, alkaline formulation of o-phenylphenol.
Preventol ON-S is a liquid alkaline formulation based on o-phenylphenol (OPP).
Preventol ON-S exhibits broad antimicrobial activity against bacteria, molds, and yeasts, making it suitable for industrial preservation applications.

Preventol ON-S is a solid alkaline formulation of o-phenylphenol.
Preventol ON-S is the sodium salt of Preventol O extra and can be regarded as the readily water soluble formulation of Preventol O extra.
The AOX-free grade Preventol O extra is distinguished by its low acute toxicity and good biodegradability.

As a nonsensitizing active ingredient with only slight odor Preventol O extra is particularly suitable for use in disinfectants and antimicrobial liquid soaps.
The halogen-free grades Preventol O extra and Preventol ON-S have a broad and balanced spectrum of activity against bacteria, yeasts and mould fungi.

Preventol ON-S is a halogen-free, preservative for use in glues and adhesives.
Preventol ON-S is a solid alkaline formulation of 2-phenylphenol (OPP).
Preventol ON-S contains water of crystallization.

Preventol ON-S offers broad spectrum of activity covering bacteria, yeasts and mold fungi.
Preventol ON-S is stable up to pH 14.
The shelf life of Preventol ON-S is 2 years.

Preventol ON-S is an alkaline formulation of o-phenylphenol used as a preservative and antimicrobial additive for aqueous industrial products.
Preventol ON-S is part of the Preventol series of industrial antimicrobial agents designed for protecting materials and formulations from microbial deterioration.

Preventol ON-S contains o-phenylphenol or its sodium salt, a phenolic compound with strong bactericidal and fungicidal properties.
Preventol ON-S is a preservative in liquid form, part of the phenols and phenolics chemical family.
Preventol ON-S complies with FIFRA, SARA 313 and 311/312 regulations, and is listed under California Proposition 65.

USES and APPLICATIONS of PREVENTOL ON-S:
Preventol ON-S acts as an antimicrobial agent in products like adhesives, glues, and coatings, and it preserves citrus fruits and industrial materials.
Widely used in industry and agriculture, Preventol ON-S acts as a post-harvest preservative for citrus fruits, a surface disinfectant, and an additive in adhesives, textiles, and paints.

Preventol ON-S is widely used in industrial preservation systems because of its ability to inhibit the growth of microorganisms that can damage materials or reduce product quality.
Preventol ON-S is used in many industrial sectors as a preservative or disinfectant.

Industrial Applications of Preventol ON-S: Preservation of glues and adhesives, Cooling lubricants and metalworking fluids, Paper manufacturing processes, Textile finishing operations, Leather processing industry, Industrial disinfectants.
Material Protection uses of Preventol ON-S: Protection of wood against blue stain fungi, Preservation of construction materials, Prevention of microbial growth in industrial water systems.

Agricultural / Food Industry (historical uses) uses of Preventol ON-S: Post-harvest treatment and preservation of citrus fruits
Because of its broad antimicrobial spectrum, Preventol ON-S is used to prevent microbial degradation in industrial products and materials such as adhesives, paper processing systems, cooling lubricants, and wood products.

In the adhesives and sealants industry, Preventol ON-S helps extend shelf life by inhibiting microbial contamination.
Preventol ON-S is also utilized in construction materials such as plasters and fillers to maintain product integrity over time.
In textile processing, Preventol ON-S is used to protect fabrics from microbial degradation and odor formation.

Preventol ON-S is effective in polymer emulsions where it ensures stability by preventing spoilage caused by microorganisms.
Preventol ON-S is further applied in cleaning products and detergents to maintain hygiene and prevent bacterial growth.

In paper and pulp processing, Preventol ON-S serves as a preservative to control slime-forming bacteria.
Preventol ON-S is also used in leather treatment to protect against mold and fungal damage.
Overall, its broad-spectrum antimicrobial activity makes Preventol ON-S a versatile solution across multiple industrial applications.

Preventol ON-S is used Preservatives for the leather industry.
Preventol ON-S is used for the formulation of all-purpose disinfectants and disinfectant liquid soaps.
Preventol ON-S is used for the preservation of aqueous products such as glues, adhesive dispersions, thickeners for textile printing, concrete additives, filler suspensions, ceramic glazes, polishing agents, fire emulsions, etc.

Preventol ON-S is used for for the preservation of water-based products, such as cooling lubricants, glues and adhesives, thickener suspensions, pigment slurries, and printing thickeners in the textile sector.
Preventol ON-S is used Preservatives for the leather industry.

Preventol ON-S is an active ingredient for disinfectants used in hospitals, medical practices, commercial and public areas, and animal husbandry.
Preventol ON-S is used for the formulation of all-purpose disinfectants and disinfectant liquid soaps.

Preventol ON-S has a broad spectrum of activity against bacteria, yeasts and molds.
Preventol ON-S is used for the preservation of aqueous products such as glues, adhesive dispersions, thickeners for textile printing, concrete additives, filler suspensions, ceramic glazes, polishing agents, fire emulsions, etc.

Preventol ON-S is also used as a preservative for the leather industry, antimicrobial equipment in the textile industry, as an active agent in disinfectants.
Preventol ON-S is used for the preservation of water-containing products, such as glues, adhesive dispersions, thickening solutions, concrete additives, filler suspensions, ceramic glazes, polishes, wax emulsions, etc.

Preventol ON-S is a unique product widely used for preserving water-soluble liquid products, as a preservative in the leather industry, and for the preparation of universal disinfectants and disinfectant liquid soaps.
Preventol ON-S has a broad spectrum of activity against bacteria, yeast, and mold on paper media, making it a popular choice for restoration work in archives, museums, and libraries.

Preventol ON-S has a broad spectrum of activity with efficacy against bacteria and fungi.
Preventol ON-S has excellent thermal stability.
Preventol ON-S can be incorporated into solid products such as print thickeners and powdered glues.

Preventol ON-S is an even distribution of the active ingredient in the finished product, which is necessary to guarantee a reliable effect, can be achieved by mixing and grinding the product.
End Uses of Preventol ON-S: Acrylic Adhesives, Animal Glue, Dye, Hydraulic Oils, Leather, Metalworking Fluids

Preventol ON-S is used for the preservation of industrial products such as glues and adhesives, mineral slurries, products containing protein, metalworking fluids, polishes, thickener solutions, wax emulsions etc.
Preventol ON-S is used as fungicide in gypsum plasterboard.

The biocidal active substance o-phenylphenol offers a broad spectrum of activity against bacteria, yeasts and mould.
Preventol ON-S is widely used for preservation of aqueous industrial products.
Adhesives and Sealants uses of Preventol ON-S: Paper and packaging adhesives, Wood adhesives, Pressure-sensitive adhesives.

Paints and Coatings uses of Preventol ON-S: Water-based paints, Decorative coatings, Pigment slurries and colorant dispersions.
Construction Materials uses of Preventol ON-S: Concrete additives, Joint compounds, Fillers and plasters.
Industrial Fluids uses of Preventol ON-S: Metalworking fluids, Cooling lubricants, Hydraulic fluids.

Textile and Leather Industry uses of Preventol ON-S: Textile auxiliaries, and Leather processing chemicals.
Other Applications of Preventol ON-S: Polymer dispersions, Printing inks, Paper processing chemicals, Wax emulsions, Disinfectant formulations.

Preventol ON-S is used as an active ingredient for disinfectants for use in hospitals, surgeries, industry, institutions, stables and sheds.
Preventol ON-S is used as a preservative for the following industries: leather, glues and adhesives, cooling lubricants, paper manufacture, textile finishing.

Preventol ON-S is used as a preservative for whole citrus fruits.
In the wood industry to protect against the blueness of sawnwood.
Preventol ON-S is used for the preservation of aqueous products such as glues, adhesive dispersions, textile print thickeners, concrete additives, filler suspensions, ceramic glazes, polishing agents, was emulsions, etc.

Preventol ON-S is used as a preservative for the leather industry.
Preventol ON-S is used antimicrobial equipment in the textile industry.
Preventol ON-S is used as an active agent in disinfection agents.

Preventol ON-S is used for the manufacture of pigment-carrier formulations.
Preventol ON-S is used for the manufacture of plastic additives, e.g. thermostabilizers.
Preventol ON-S is used for the preservation of aqueous products such as metal working fluids, glues and adhesives, filler suspensions, pigment slurries, textile print thickeners.

Preventol ON-S is used as a preservative for the leather industry.
Preventol ON-S is used as an active ingredient for disinfectants for use in hospitals, doctor’s offices, industry, institutions, stables and sheds.

Preventol ON-S is used for the formulation of all-purpose disinfectants and disinfectant liquid soaps.
Preventol ON-S has a broad spectrum of activity covering bacteria, yeasts and mould.

Applications of Preventol ON-S: Fungicide, Adhesives & Sealants, Construction material, Concrete Admixtures, Treatment of freshly cut timber.
End Uses of Preventol ON-S: Ceramic Glaze, Clay Slurry, Coolants, Cutting Oils, Dye, Fuel Oils, Glue, Hydraulic Oils, Hydraulic Oils & Fluids, Leather, Metal Working Fluids, Paper, Plasters, Polishes, Printing Ink, Starch, Textiles, Waxes

Preventol ON-S is mainly used to prevent microbial contamination caused by bacteria, fungi, and yeasts during storage and use.
Preventol ON-S is widely used in water-based industrial formulations such as adhesives, polymer dispersions, paints, and coatings, where microbial growth can lead to spoilage problems such as odor formation, viscosity loss, gas generation, discoloration, or slime formation.

Preventol ON-S is used as an in-can preservative for aqueous products.
Preventol ON-S offers broad spectrum of activity covering bacteria, yeasts and mould fungi.

KEY FEATURES AND APPLICATIONS of PREVENTOL ON-S:
*Broad-Spectrum Activity:
Preventol ON-S is effective against fungi, yeast, and bacteria.

*Applications:
Preventol ON-S is ideal for in-can preservation of water-based products.
Preventol ON-S is used in adhesives, filler suspensions, textile thickeners, and disinfectants.

*Industry Use:
Preventol ON-S is widely used in the leather industry and for industrial, institutional, and household disinfectants.

*Properties:
Alkaline formula, water and alcohol soluble.

BENEFITS of PREVENTOL ON-S:
In terms of benefits, Preventol ON-S provides broad-spectrum antimicrobial protection against bacteria, molds, and fungi.
This makes Preventol ON-S highly useful for preventing microbial contamination in industrial products such as adhesives, metalworking fluids, paper processing solutions, and construction materials.

By inhibiting microbial growth, Preventol ON-S helps extend the shelf life of products, maintain their physical stability, and protect materials from biological degradation.
Another important advantage is its effectiveness at relatively low concentrations, which allows Preventol ON-S to be incorporated into many industrial formulations without significantly altering the properties of the treated product.

FEATURES of PREVENTOL ON-S:
*Anti-Fungal Properties,
*Anti-bacterial,
*Broad Spectrum Efficacy,
*Good Thermal Stability

BENEFITS of PREVENTOL ON-S:
***Antimicrobial Protection
Prevents bacterial contamination
Controls fungal and yeast growth
Reduces microbial slime formation

***Product Quality Benefits
Prevents odor formation
Maintains product viscosity
Prevents discoloration and spoilage

***Industrial Advantages
Long shelf life of formulations
Stable over wide pH range
Compatible with many water-based systems.

FUNCTIONAL PROPERTIES of PREVENTOL ON-S:
Preventol ON-S acts as:
*Antimicrobial agent
*Fungicide
*Bactericide
*Industrial preservative
*Product protection biocide
*In-can preservative for water-based products.
These functions help prevent microbial spoilage in many industrial formulations.

CHEMICAL CHARACTERISTICS of PREVENTOL ON-S:
Key characteristics include:
*Broad-spectrum antimicrobial activity
*Effective bactericide and fungicide
*High chemical stability in alkaline environments
*Good compatibility with water-based systems
*Halogen-free preservative formulation
*Long-lasting microbial protection in industrial formulations.

CHEMICAL PROPERTIES of PREVENTOL ON-S:
Chemical Type:
Phenolic antimicrobial compound

Active Substance:
Sodium o-phenylphenate / o-phenylphenol

Functional Group:
Phenolic hydroxyl group

Chemical Behavior:
Strong antimicrobial activity
Stable across a wide pH range (up to ~pH 14)
Resistant to many industrial processing conditions

Reactivity:
Preventol ON-S may react with strong oxidizing agents
Preventol ON-S decomposes under extreme heat

CHARACTERISTICS of PREVENTOL ON-S:
Regarding characteristics, Preventol ON-S is typically supplied as a preservative formulation containing the sodium salt of o-phenylphenol.
Preventol ON-S usually appears as a solid or liquid product with a phenolic odor and forms alkaline solutions when dissolved in water.
Preventol ON-S belongs to the phenolic chemical family, which is known for strong antimicrobial activity.

Preventol ON-S is chemically stable under normal storage conditions and performs effectively in alkaline environments.
Because Preventol ON-S is a sodium salt, it has improved dispersibility in aqueous systems compared with the non-salt form of the active ingredient.
Preventol ON-S is also known for its compatibility with many industrial materials and processing systems.

CHEMICAL CHARACTERISTICS of PREVENTOL ON-S:
Preventol ON-S belongs to the phenolic antimicrobial compounds.
Phenolic derivatives are well known for their ability to disrupt microbial cell membranes and enzyme systems.

KEY CHEMICAL CHARACTERISTICS of PREVENTOL ON-S:
*Aromatic phenol derivative with strong antimicrobial action
*Preventol ON-S exists as a sodium salt, improving water dispersibility
*Strongly alkaline in aqueous solutions
*High chemical stability under normal storage conditions
*Resistant to microbial degradation

MATERIAL COMPATIBILITY of PREVENTOL ON-S:
Preventol ON-S is compatible with:
Metals: 304, 304N,304L,316,316 L European Steel No. 1.4408, 321 and 316Ti.
Plastics: PF, PP, EPDM, Teflon (PTFE) and GFK (e.g. Atlac 382, Atlac 580, Atlac and Derakane 470).
As with any product, use of the products mentioned in this publication in a given application must be tested (including field testing, etc.) by the user in advance to determine suitability.

BENEFITS of PREVENTOL ON-S:
Preventol ON-S offers several advantages in industrial applications:
Preventol ON-S provides broad-spectrum antimicrobial protection against bacteria, molds, and fungi
Preventol ON-S helps extend shelf life of industrial products

Preventol ON-S prevents microbial spoilage in aqueous systems
Preventol ON-S improves product stability and storage durability
Effective even at relatively low concentrations
Compatible with many industrial materials and processing systems

PROPERTIES of PREVENTOL ON-S:
Important functional properties of Preventol ON-S include:
*Antimicrobial activity against microorganisms
*Fungicidal and bactericidal effects
*Stability in alkaline environments
*Preventol ON-S is compatibility with metals such as stainless steel and with certain plastics
*Preventol ON-S has good performance in industrial preservation systems
*Ability to inhibit mold growth in construction materials and wood

PHYSICAL and CHEMICAL PROPERTIES of PREVENTOL ON-S:
Product Name: Preventol ON-S
Chemical Type: Biocidal preservative based on sodium o-phenylphenolate (sodium salt of o-phenylphenol)
Chemical Formula (active substance): C₁₂H₉NaO
Molecular Weight: ~192.19 g/mol
CAS and EC Numbers
CAS Number (o-Phenylphenol): 90-43-7
CAS Number (Sodium o-phenylphenolate): 132-27-4
EC Number: 205-055-6
Appearance: Light brown liquid or white-to-tan solid flakes depending on formulation

Odor: Slight aromatic or phenolic odor
Physical State: Solid or liquid preservative formulation
Melting Point: Approximately −6 °C (for certain formulations)
Boiling Point: Around 99 °C
Flash Point: ≥ 100 °C (closed cup)
Density: Approximately 1.07 g/cm³
Bulk Density: 400–450 kg/m³
pH (2 % solution): about 11–12 (strongly alkaline)

Solubility: Slightly soluble in water; more soluble in alkaline solutions
Ignition Temperature: ≥ 500 °C
Vapor Pressure: relatively low; increases with temperature
Chemical Stability: Stable under recommended storage conditions
ECHA EINECS - REACH Pre-Reg: 205-055-6
FDA UNII: KFV9K7N7UI
Nikkaji Web: J2.946G
MDL: MFCD00002209
Molecular Weight: 192.19269928

Formula: C12 H9 Na O
Appearance: white powder (est)
Assay: 97.00 to 100.00
Food Chemicals Codex Listed: No
Boiling Point: 282.00 °C. @ 760.00 mm Hg (est)
Vapor Pressure: 0.002020 mmHg @ 25.00 °C. (est)
Flash Point: 285.00 °F. TCC ( 140.30 °C. ) (est)
logP (o/w): 2.939 (est)

Soluble in:
water, 1000000 mg/L @ 25 °C (exp)
Molecular Weight: 192.19 g/mol
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 1
Rotatable Bond Count: 1
Exact Mass: 192.05510919 Da
Monoisotopic Mass: 192.05510919 Da
Topological Polar Surface Area: 23.1 Å²
Heavy Atom Count: 14

Formal Charge: 0
Complexity: 154
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 2
Compound Is Canonicalized: Yes

Density: 1.3 g/cm3
Bulk density (flakes): approx. 400 - 450 kg/m3
Vapor pressure 20°C, calc. approx. 0.0007 mbar
100°C approx. 1 mbar
Solubility (20°C) in Ethanol 2000 g/l
Isopropanol 1500 g/l
Water 1200 g/l (at 25°C)
pH-Value (2 % in water) 11.1 – 11.8
Stability range up to pH 14

Product Name: Preventol® ON Extra
Product Type: Industrial biocide / preservative
Manufacturer: Lanxess
Active Ingredient:
2‑Phenylphenol or its alkaline salt sodium o-phenylphenate
CAS Number: 132-27-4 (sodium o-phenylphenate) / 90-43-7 (o-phenylphenol base)
EC (EINECS) Number: 205-055-6 (sodium salt) / 201-993-5 (o-phenylphenol)
Chemical Family: Phenolic biocides

Molecular Formula: C12H9NaO (sodium o-phenylphenate)
Molecular Weight: ~192.19 g/mo
Product Type: Biocides
Delivery Form: Solution
CAS (CAS Number): 90-43-7
Appearance: Pellets, flakes, or crystalline solid
Color: White to pale yellow or slightly brown

Physical State: Solid (also available as alkaline aqueous solution)
Odor: Slight phenolic or aromatic odor
Density: ~1.3 g/cm³ at 20 °C
Bulk Density: approx. 400–450 kg/m³
Melting Point: approx. 47–130 °C (depending on grade)
Boiling Point: ~99 °C for aqueous solution
Flash Point: ≥100 °C
Ignition Temperature: approx. 500–555 °C
Vapor Pressure: measurable at elevated temperatures

Solubility:
Slightly soluble in water
Easily dispersible in aqueous systems
Soluble in alkaline media
pH (2% solution): approx. 11–13
Shelf Life: typically about 12–24 months when stored properly
Chemical Family: Phenols, Phenols & Phenolics

FIRST AID MEASURES of PREVENTOL ON-S:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of PREVENTOL ON-S:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.

FIRE FIGHTING MEASURES of PREVENTOL ON-S:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of PREVENTOL ON-S:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of PREVENTOL ON-S:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of PREVENTOL ON-S:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available