Acids & Salts
(2-Hydroxypropyl)trimethylammonium formate
CAS 62314-25-4
A quaternary-ammonium trimerization catalyst that drives isocyanate-to-isocyanurate (PIR) network formation. It is used in polyisocyanurate rigid foam boardstock and panels for fire-resistant insulation, raising crosslink density and thermal stability.
Crosslinking / Curing
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Specialty Additives
(2-Methyl-3-phenylphenyl)methanol (Bifenthrin Alcohol)
CAS 76350-90-8
A specialty benzyl alcohol intermediate used in the manufacture of the pyrethroid insecticide bifenthrin, where it forms the alcohol portion of the final ester. Supplied as a biphenyl-methanol building block for agrochemical synthesis.
Synthesis Intermediate
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Silanes & Organosilanes
(3-Aminopropyl)silanetriol
CAS 58160-99-9
A water-soluble aminosilane triol, the hydrolysis-stable form of an aminopropyl silane coupling agent. Aminofunctional silanes of this class act as coupling agents and adhesion promoters, bonding inorganic substrates such as glass, mineral fillers, and metals to organic resins.
Coupling / Adhesion Promotion
Crosslinking / Curing
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Silanes & Organosilanes
(3-Chloropropyl)trimethoxysilane (CPTMS)
CAS 2530-87-2
A chloro-functional silane that bridges inorganic fillers to organic resins while leaving a reactive propyl-chloride handle for further derivatization. It is used as a coupling agent in filled composites and treated textile goods, as an adhesion promoter, and as an intermediate for synthesizing other organosilicon…
Coupling / Adhesion Promotion
Crosslinking / Curing
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Silanes & Organosilanes
(3-Mercaptopropyl)trimethoxysilane (MPTMS)
CAS 4420-74-0
A thiol-bearing silane bridge that ties polymers to inorganic fillers, glass, and metal. It is used as an adhesion and coupling promoter in polysulfide and polyurethane caulks and sealants and as a binder linking organic polymers to mineral and metal surfaces.
Coupling / Adhesion Promotion
Crosslinking / Curing
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Esters
1-(2-Carboxylatoethyl)-4,5-dihydro-3-(2-hydroxyethyl)-2-isoheptadecyl-1H-imidazolium (Imidazoline-Derived Amphoteric Surfactant)
CAS 68630-96-6
An imidazolinium-based amphoteric surfactant offering mild cleansing and conditioning in surfactant blends. It is documented as a surfactant used for cleansing, foaming, and hair conditioning in personal-care formulations.
Emolliency
Surfactancy
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Amines & Amides
1-(3-Aminopropyl)imidazole
CAS 5036-48-6
A reactive imidazole catalyst for semi-rigid and flexible polyurethane foam; its primary-amine handle binds the catalyst into the polymer, lowering emissions. It is also used as an epoxy curing agent and accelerator.
Crosslinking / Curing
Corrosion Inhibition
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Specialty Additives
1-(Biphenyl-4-yl)-2-methyl-2-morpholinopropan-1-one
CAS 94576-68-8
A Type I alpha-aminoketone photoinitiator for low-migration cure of pigmented UV coatings, inks, and adhesives. Its biphenyl chromophore extends absorption to longer UV wavelengths, driving cure through pigment and in thicker films.
Crosslinking / Curing
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Specialty Additives
1-Hexadecylnaphthalene
CAS 56388-47-7
A long-alkyl-chain naphthalene supplied as a lubricating-agent component. It is used as a lubricating agent.
Lubrication
Solvency
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Specialty Additives
1-Hexanol (n-Hexanol)
CAS 111-27-3
1-Hexanol (n-hexyl alcohol) is a primary C6 aliphatic alcohol used as a solvent for fats, waxes, dyes, and paints, as an intermediate for plasticizer and perfume esters, and in textile and leather finishing.
Defoaming / Foam Control
Cleaning / Degreasing
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Specialty Additives
1-Methylimidazole (NMI)
CAS 616-47-7
A liquid imidazole accelerator and curing catalyst for epoxy resins, also a latent curing agent in one-component formulations. It is used in anhydride-cured epoxy castings, electrical laminates, and adhesives, and as an acid scavenger in polyurethane systems.
Crosslinking / Curing
Synthesis Intermediate
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Specialty Additives
1-octane-1,2-dione 2-(O-benzoyloxime)
CAS 253585-83-0
A high-sensitivity Type I oxime-ester photoinitiator for fast cure of pigmented and highly filled UV systems. It is a workhorse initiator for color-filter resists, black matrix, and photoresist imaging in display and electronics manufacturing.
Crosslinking / Curing
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Solvents - Oxygenated
1-Pentanol (n-Amyl Alcohol)
CAS 71-41-0
A C5 primary alcohol solvent and ester intermediate. It is used as a solvent for resins, gums, and petroleum additives, as an intermediate for amyl acetate and other esters, and as a frother in ore flotation.
Solvency
Synthesis Intermediate
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Solvents - Aliphatic
1,1,1-Trichloroethane (Methyl Chloroform)
CAS 71-55-6
A chlorinated solvent and degreaser whose supply is governed by ozone-protection controls. It is an ozone-depleting substance whose production has been phased out under the Montreal Protocol.
Solvency
Cleaning / Degreasing
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Amines & Amides
1,2-Diaminocyclohexane (1,2-DACH)
CAS 694-83-7
A vicinal cycloaliphatic diamine used as a chelating and heterocyclic building block. Industry references record its use in the synthesis of nitrogen-heterocyclic derivatives and in corrosion-inhibitor chemistry.
Crosslinking / Curing
pH Adjustment
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Amines & Amides
1,2-Dimethylimidazole (1,2-DMI)
CAS 1739-84-0
An imidazole catalyst for rigid and semi-rigid polyurethane/PIR foam and a latent accelerator catalyst for epoxy curing systems. It drives crosslink formation with low odor.
Crosslinking / Curing
Synthesis Intermediate
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Amines & Amides
1,3-Bis(aminomethyl)cyclohexane (1,3-BAC)
CAS 2579-20-6
A saturated cyclic diamine used as an epoxy curing agent. Industry references record its use as a curing agent (hardener) for epoxy resins. Supplied as a bulk amine intermediate.
Crosslinking / Curing
Synthesis Intermediate
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Glycols & Polyols
1,4-Butanediol (BDO)
CAS 110-63-4
A short-chain diol chain extender that builds the hard segment in cast polyurethane and TPU elastomers, raising modulus, hardness, and tensile strength. It is a standard chain extender paired with PTMEG and polyester polyols.
Crosslinking / Curing
Synthesis Intermediate
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Polymers & Resins
1,4-Butanediol Diglycidyl Ether (BDDGE)
CAS 2425-79-8
A difunctional reactive diluent that thins and flexibilizes epoxy systems. It is added to epoxy resin systems to reduce viscosity and acts as a flexibilizer for aromatic epoxy resins.
Crosslinking / Curing
Viscosity Modification
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Amines & Amides
1,4-Cyclohexanebis(methylamine)
CAS 2549-93-1
A cycloaliphatic diamine curing agent for epoxy coatings and adhesives with fast cure, good color stability, and weatherability. It crosslinks epoxy resins in flooring and coil coatings and serves as a chain extender in polyamide and polyurethane systems.
Crosslinking / Curing
Synthesis Intermediate
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Specialty Additives
2-(Dimethylamino)-2-(4-methylbenzyl)-1-butan-1-one
CAS 119344-86-4
A high-activity Type I alpha-aminoketone photoinitiator (CAS 119344-86-4) that cleaves under UV light to generate radicals. It is used for through-cure of heavily pigmented UV inks, coatings, solder masks, and imaging systems.
Crosslinking / Curing
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Amines & Amides
2-[(4-Ethylanilino)methyl]phenol
CAS 90383-16-7
2-[(4-Ethylanilino)methyl]phenol (CAS 90383-16-7) is a Mannich-base building block combining a phenolic hydroxyl and a secondary aromatic amine, used in multi-step organic synthesis and as a ligand precursor for metal complexes and coordination catalysts.
Synthesis Intermediate
Crosslinking / Curing
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Amines & Amides
2-{(methyl)amino}ethanol (Trimethylaminoethylethanolamine)
CAS 2212-32-0
A low-odor, isocyanate-incorporable amine blowing catalyst (CAS 2212-32-0) for flexible, molded, and semi-rigid polyether polyurethane foam; because it reacts into the polymer network it reduces amine emissions and fogging in automotive seating.
Crosslinking / Curing
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Glycols & Polyols
2-Butoxyethanol (Ethylene Glycol Monobutyl Ether)
CAS 111-76-2
A coupling glycol-ether solvent bridging water- and oil-soluble formulation components. It is widely used as a coalescing and coupling solvent in surface coatings and inks and as the active solvent in household and industrial cleaners, glass cleaners, and metal cleaners.
Solvency
Viscosity Modification
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Amines & Amides
2-Chloroaniline (OCA)
CAS 95-51-2
An aromatic chloroaniline intermediate (CAS 95-51-2) used as a building block for azo dyes and pigments, agrochemicals, and pharmaceutical intermediates, and as a curative/chain extender in cast polyurethane elastomer systems.
Crosslinking / Curing
Synthesis Intermediate
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Specialty Additives
2-Chlorobenzaldehyde
CAS 89-98-5
2-Chlorobenzaldehyde (CAS 89-98-5) is an aromatic aldehyde synthesis intermediate used in the manufacture of pharmaceutical, triphenylmethane-dye, fragrance, and agrochemical intermediates.
Synthesis Intermediate
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Specialty Additives
2-Chlorobenzonitrile
CAS 873-32-5
2-Chlorobenzonitrile (CAS 873-32-5) is an ortho-chlorinated benzonitrile used as a synthesis intermediate for pharmaceuticals and agrochemicals and as a building block in dye and specialty-chemical manufacture.
Synthesis Intermediate
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Glycols & Polyols
2-Ethoxyethanol (Ethylene Glycol Monoethyl Ether, EGEE)
CAS 110-80-5
A coupling glycol-ether solvent bridging polar and nonpolar phases in coatings, inks, and cleaning formulations. It dissolves nitrocellulose, lacquers, resins, dyes, and epoxy systems, and is used as a solvent for coatings, inks, and adhesives and as an anti-icing additive in aviation fuel.
Solvency
Viscosity Modification
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Specialty Additives
2-Ethyl-4-methylimidazole (2E4MI)
CAS 931-36-2
2-Ethyl-4-methylimidazole is a liquid imidazole accelerator and curing agent for epoxy resins, offering low-temperature reactivity and long pot life. It is used in electrical laminates, adhesives and powder coatings for anhydride and dicyandiamide cures.
Crosslinking / Curing
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Specialty Additives
2-Ethylanthraquinone (2-EAQ)
CAS 84-51-5
2-Ethylanthraquinone (CAS 84-51-5) is a Type II anthraquinone photoinitiator and sensitizer used with amine synergists for UV curing of coatings, inks, adhesives, and wood and paper overprint systems.
Crosslinking / Curing
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Solvents - Oxygenated
2-Ethylhexanol (2-EH)
CAS 104-76-7
The branched octanol behind 2-ethylhexyl ester plasticizers, and a low-volatility process solvent in its own right. Its largest use is as a feedstock for plasticizers and other esters; it also serves as a defoamer, wetting agent, low-volatility solvent, and textile-finishing additive.
Solvency
Synthesis Intermediate
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Amines & Amides
2-Ethylhexyl 4-(dimethylamino)benzoate
CAS 21245-02-3
A liquid, low-odor tertiary-amine co-initiator (amine synergist) for Type II UV curing. Its low migration suits UV and UV-LED packaging inks, and it accelerates oxygen-inhibited surface cure of UV coatings, adhesives, and plastics.
Crosslinking / Curing
UV Protection
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Esters
2-Ethylhexyl Acrylate (2-EHA)
CAS 103-11-7
The soft-monomer workhorse for pressure-sensitive adhesives and latex binders. It is used to make pressure-sensitive adhesives, water-based paints and coatings, printing inks, and paper and textile treatments, and it copolymerizes with vinyl acetate and vinyl chloride.
Film Formation
Synthesis Intermediate
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Phosphate Esters & Derivatives
2-Ethylhexyl Diphenyl Phosphate (DPOP)
CAS 1241-94-7
2-Ethylhexyl diphenyl phosphate is a mixed alkyl-aryl phosphate ester used as a low-temperature flame-retardant plasticizer for flexible PVC and vinyl, balancing flame resistance and cold flexibility in wire and cable jacketing and coated fabrics.
Flame Retardancy
Plasticizing
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Specialty Additives
2-Ethylimidazole (2EI)
CAS 1072-62-4
An imidazole curing agent and accelerator for epoxy systems in laminates, coatings, and adhesives. It acts as a latent catalyst for one-component epoxy cure and as a co-accelerator with anhydride and dicyandiamide hardeners.
Crosslinking / Curing
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Esters
2-Hydroxyethyl Acrylate (HEA)
CAS 818-61-1
A hydroxyl-functional acrylic monomer that builds crosslinkable thermoset coatings. It is used as a comonomer in thermosetting acrylic resins, where its hydroxyl group provides crosslinking sites with isocyanates, melamine, and epoxies.
Film Formation
Synthesis Intermediate
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Glycols & Polyols
2-Hydroxyethyl Methacrylate (HEMA)
CAS 868-77-9
A reactive hydroxyl-bearing monomer supplied for radiation-cure, adhesive, and hydrogel polymer systems. It is used in UV-curable inks, coatings and adhesives, acrylic resins, dental materials, and as a comonomer in hydrogels and contact-lens polymers.
Moisture Control
Solvency
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Acids & Salts
2-Hydroxyisobutyric Acid (α-Hydroxyisobutyric Acid)
CAS 594-61-6
A compact branched α-hydroxy acid used as a synthetic building block and intermediate. It is used as a chemical intermediate and a building block in organic synthesis.
pH Adjustment
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Phosphate Esters & Derivatives
2-Hydroxyphosphonocarboxylic Acid (HPAA, Hydroxyphosphonoacetic Acid)
CAS 23783-26-8
A carbon-phosphorus phosphonate used to inhibit metal corrosion in industrial water systems. It is applied in industrial water-treatment programs, where phosphonates of this type protect metal surfaces in recirculating and cooling-water systems.
Chelation / Sequestration
Scale Inhibition
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Specialty Additives
2-Isopropylthioxanthone (ITX)
CAS 5495-84-1
A Type II thioxanthone photoinitiator and sensitizer (CAS 5495-84-1) used with amine co-initiators to cure pigmented UV inks and coatings. Its longer-wavelength UV absorption supports through-cure in UV/UV-LED printing and overprint varnishes.
Crosslinking / Curing
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Specialty Additives
2-Mercaptobenzothiazole (MBT)
CAS 149-30-4
The benchmark thiazole accelerator for sulfur cure, doubling as a metal corrosion inhibitor. It accelerates the sulfur vulcanization of natural and synthetic rubber, and is also used as a corrosion inhibitor in metalworking fluids, antifreezes, and greases, and in adhesives.
Corrosion Inhibition
Crosslinking / Curing
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Glycols & Polyols
2-Methoxyethanol (Ethylene Glycol Monomethyl Ether)
CAS 109-86-4
A glycol-ether solvent spanning coatings, dye processing, and microelectronics. It is used in varnishes, lacquers, wood stains, and dye baths, and in the microelectronics industry within photoresist formulations and circuit-board manufacture.
Solvency
Viscosity Modification
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Amines & Amides
2-Methyl-1,4-diazabicyclooctane (2-Methyltriethylenediamine)
CAS 1193-66-4
A bicyclic tertiary-amine gelling catalyst for rigid and flexible polyurethane foam. This methylated triethylenediamine (TEDA) variant offers a modified activity profile for tuning reaction onset versus neat TEDA.
Crosslinking / Curing
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Specialty Additives
2-Methylimidazole (2MI)
CAS 693-98-1
An imidazole accelerator and curing agent for epoxy resins, used as a latent catalyst in one-component systems and as an accelerator for dicyandiamide and anhydride cures in electrical laminates, powder coatings and adhesives.
Crosslinking / Curing
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Amines & Amides
2-Methylpentamethylenediamine (MPMD)
CAS 15520-10-2
A low-viscosity, branched aliphatic diamine (MPMD) supplied as a liquid primary-amine curing agent. It hardens epoxy coatings, adhesives, and flooring with good pot life and serves as a chain extender for polyurethane and polyamide systems.
Crosslinking / Curing
Synthesis Intermediate
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Amines & Amides
2-Methyltriethylenediamine (2-Methyl-1,4-diazabicyclooctane)
CAS 1193-66-4
A methylated homolog of triethylenediamine (TEDA) used as a delayed-action gelling catalyst for rigid and flexible polyurethane foam. The 2-methyl group delays catalytic onset, extending flow time in spray and molded foam systems.
Crosslinking / Curing
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Specialty Additives
2-Octyl-2H-isothiazol-3-one (OIT, Octylisothiazolinone)
CAS 26530-20-1
An octyl isothiazolinone supplied as a dry-film and in-can material preservative for industrial coatings and fluids. It is used as a film and in-can preservative in paints, coatings, adhesives, polishes, and metalworking fluids, and in wood and leather preservation.
Biocidal Action
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Specialty Additives
2,2-Dibromo-3-nitrilopropionamide (DBNPA)
CAS 10222-01-2
A non-oxidizing, bromine-based biocide for microbial control in industrial water and process fluids. It controls bacteria, algae, and fungi in industrial water systems and is used as a preservative in pulp and paper-mill water, cooling water, metalworking fluids, oilfield drilling muds, and latex emulsions and…
Biocidal Action
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