3,4-Dichlorobenzonitrile
CAS 6574-99-8
Dichlorinated benzonitrile intermediate for agrochemical active-ingredient synthesis (Agriculture) Building block for pharmaceutical and specialty chemical manufacture (Pharmaceuticals, Industrial Manufacturing)
Synthesis Intermediate
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3,4-Dichlorophenyl Isocyanate
CAS 102-36-3
Isocyanate intermediate for substituted-urea herbicides such as diuron and linuron (Agriculture) Building block for pharmaceutical urea derivatives and specialty chemicals (Pharmaceuticals, Industrial Manufacturing)
Synthesis Intermediate
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3,4-Difluorobenzonitrile
CAS 64248-62-0
Fluorinated benzonitrile building block for pharmaceutical fluorine chemistry (Pharmaceuticals) Intermediate for agrochemical active-ingredient synthesis (Agriculture, Industrial Manufacturing)
Synthesis Intermediate
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3,4-Dimethylpyrazole Phosphate (DMPP)
CAS 202842-98-6
Biocidal Action
Synthesis Intermediate
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3,4,5,6-Tetrachlorophthalonitrile
CAS 1953-99-7
Chlorinated phthalonitrile intermediate; precursor to halogenated copper-phthalocyanine pigments (Coatings & Construction, Plastics & Polymers) Building block for agrochemical and specialty chemical synthesis (Agriculture, Industrial Manufacturing)
Synthesis Intermediate
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3,4,5,6-Tetrafluorophthalonitrile
CAS 1835-65-0
Perfluorinated phthalonitrile building block for pharmaceutical fluorine chemistry (Pharmaceuticals) Intermediate for fluorinated phthalocyanine and specialty fluorochemical synthesis (Industrial Manufacturing)
Synthesis Intermediate
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4-Benzoyl-4′-methyldiphenyl sulfide (BMS)
CAS 83846-85-9
Type II thioether-benzophenone photoinitiator with extended absorption, used with amine synergists in UV coatings (Coatings & Construction) Improves cure speed and surface cure of UV/UV-LED inks and varnishes (Industrial Manufacturing) Sensitizes cure of UV-curable plastics and adhesives (Plastics & Polymers)
Crosslinking / Curing
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4-Benzoylbiphenyl (PBZ)
CAS 2128-93-0
Type II benzophenone-class photoinitiator with red-shifted absorption for high-throughput surface cure of UV coatings (Coatings & Construction) Used with amine synergists in UV/UV-LED inks (Industrial Manufacturing) Cures UV-curable plastics and adhesives (Plastics & Polymers)
Crosslinking / Curing
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4-Butylresorcinol
CAS 18979-61-8
A resorcinol-derivative cosmetic active supplied for skin-tone and brightening formulations. It is supplied as a cosmetic ingredient for skin-brightening and even-skin-tone formulations, where it functions as a tyrosinase inhibitor.
Preservation
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4-Chlorobenzophenone (CBZ)
CAS 134-85-0
Type II chlorinated-benzophenone photoinitiator with shifted absorption for surface cure of UV coatings (Coatings & Construction) Used with amine synergists in UV inks and varnishes (Industrial Manufacturing) Cures UV-curable plastics and adhesives (Plastics & Polymers)
Crosslinking / Curing
Synthesis Intermediate
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4-Hexylresorcinol (Hexylresorcinol)
CAS 136-77-6
A food-grade alkylresorcinol antioxidant used to prevent enzymatic browning in seafood processing. In food processing it is used as an antioxidant and processing aid to prevent melanosis ('black spot') in shrimp and other crustaceans.
Biocidal Action
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4-Methylbenzophenone (MBZ)
CAS 134-84-9
Type II benzophenone-derivative photoinitiator used with amine synergists for surface cure of UV coatings (Coatings & Construction) Often blended with benzophenone as a liquid-friendly eutectic for UV/UV-LED inks (Industrial Manufacturing) Cures UV-curable plastics and adhesives in amine-synergist systems (Plastics & Polymers)
Crosslinking / Curing
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4,4′-Oxybis(benzenesulfonyl Hydrazide)
CAS 80-51-3
Synthesis Intermediate
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8-Hydroxyquinoline Sulfate (Oxyquinoline Sulfate)
CAS 148-24-3
A chelating quinolinol salt used for metal sequestration, peroxide stabilization and corrosion control. Industrial uses include service as a chelating agent and analytical reagent for metal precipitation and separation, a corrosion inhibitor, a hydrogen-peroxide stabilizer, a stabilizer in nylon, a brightener in electroplating baths, and…
Biocidal Action
Chelation / Sequestration
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Acesulfame Potassium (Acesulfame K, Ace-K)
CAS 55589-62-3
A high-intensity, non-nutritive sweetener supplied for food, beverage, and oral-care formulation. It is used as a sweetener and flavor enhancer in foods and beverages and as a masking/sweetening ingredient in oral-care products.
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Acetone (Propanone)
CAS 67-64-1
Acetone is the workhorse fast-evaporating ketone solvent — it dissolves fats, oils, resins, rubber and plastics cleanly and is a major feedstock for downstream ketone chemistry.
Solvency
Cleaning / Degreasing
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Agar
CAS 9002-18-0
Thickening / Rheology
Film Formation
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Alkyl Ketene Dimer (AKD Sizing Agent)
CAS 144245-85-2
A hydrophobic neutral-pH sizing chemistry that reduces water penetration in paper and board. Applied as a wax or emulsion, it reduces the rate of aqueous-liquid penetration into paper and paperboard, improving water resistance in printing, writing, packaging, and specialty grades.
Film Formation
Moisture Control
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Alkyl Pyridine (Alkylated Pyridine Bases)
CAS 68391-11-7
An alkylated pyridine-base cut supplied as a basic-nitrogen reaction solvent and synthesis intermediate. Pyridine bases of this class are used as solvents and as chemical intermediates in the synthesis of agrochemicals, dyes, and specialty chemicals.
Corrosion Inhibition
Synthesis Intermediate
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Alpha Arbutin (α-Arbutin)
CAS 84380-01-8
A hydroquinone glucoside used as a cosmetic skin-brightening and antioxidant ingredient. In cosmetic formulations arbutin is documented for use as a skin-brightening (skin-lightening) ingredient and as a cosmetic skin-conditioning and antioxidant additive.
Conditioning
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Aluminum Chlorohydrate (ACH)
CAS 12042-91-0
A basic aluminum chloride used both as a water-treatment coagulant and as a cosmetic antiperspirant astringent. It is used as a coagulant/flocculant in water purification and as an astringent active in antiperspirant formulations, with additional use in leather, paper, and pulp processing.
Moisture Control
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Aluminum Hydroxide (ATH, Alumina Trihydrate)
CAS 21645-51-2
A halogen-free mineral flame retardant that quenches fire by releasing water as it decomposes. In plastics, rubber, and latex foams it releases water on heating to retard flame and suppress smoke.
Color / Pigmentation
Flame Retardancy
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Ammonia (Anhydrous Ammonia)
CAS 7664-41-7
Anhydrous ammonia — the foundational nitrogen feedstock for fertilizers, refrigeration, and chemical synthesis. The majority of production goes to fertilizers; it is also used as a refrigerant gas and as a feedstock for nitric acid, urea, plastics, explosives, synthetic fibers, and dyes, with further use…
pH Adjustment
Synthesis Intermediate
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Amorphous Silica (Synthetic Amorphous Silica, Silicon Dioxide)
CAS 7631-86-9
A versatile synthetic silica engineered for flow, rheology, and reinforcement across powders, liquids, and rubber. It is used as an anti-caking and free-flow agent in powders, a liquid carrier and adsorbent, a viscosity-control/thickening agent, a defoamer, a mild abrasive, and a reinforcing filler in rubber…
Thickening / Rheology
Color / Pigmentation
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Amylase (Alpha-Amylase Enzyme)
CAS 9000-90-2
An industrial hydrolase that converts starch substrates into lower-molecular-weight sugars across processing streams. It is supplied in industrial grades for starch processing and textile desizing.
Cleaning / Degreasing
Viscosity Modification
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Anhydrous Lactose (Lactose)
CAS 63-42-3
Moisture-free lactose engineered as a direct-compression filler-binder for solid dosage forms. It is used as a diluent and filler-binder in pharmaceutical tablets and capsules, including direct-compression formulations, and as an ingredient in food products.
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Anti Terra 203
CAS 64742-95-6
A dispersing and wetting agent for solvent-borne coating systems.
Solvency
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Antimony Trioxide (Antimony(III) Oxide, ATO)
CAS 1309-64-4
A flame-retardant synergist and polyester catalyst with opacifying and pigment functions. It is used as a flame-retardant synergist in plastics and textiles, a plastics stabilizer, a polycondensation catalyst (including for PET), an opacifier in glass, ceramics, and enamels, and a pigment.
Flame Retardancy
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Apricot Seed Powder (Prunus Armeniaca Seed Powder)
CAS 68650-44-2
A naturally derived mechanical exfoliant offering a microbead alternative for scrubs. Its established personal-care function is as a natural mechanical exfoliant and abrasive in scrubs and cleansers.
Thickening / Rheology
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Astaxanthin
CAS 472-61-7
A red-orange carotenoid pigment central to aquaculture feed coloration. It is used as a pigment in salmonid and crustacean aquaculture and as a carotenoid colorant across the feed, food, and cosmetics industries.
Conditioning
Color / Pigmentation
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Avobenzone (Butyl Methoxydibenzoylmethane, BMDBM)
CAS 70356-09-1
The dominant UV-A organic filter specified in broad-spectrum sun-care formulations. It is used as a UV-A filter and absorber in sunscreen and sun-care products and as a cosmetic UV filter.
UV Protection
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Bakuchiol
CAS 10309-37-2
A botanically sourced phenolic compound for cosmetic and personal-care formulation programs. PubChem classifies it as a cosmetic antimicrobial ingredient. Available in bulk quantities for formulators.
Conditioning
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Basic Copper Carbonate (Cupric Carbonate, Malachite)
CAS 12069-69-1
A green copper(II) salt used as a pigment, a copper source, and an agricultural seed-treatment active. Industry references record use as a pigment, in pyrotechnics, as an algaecide and seed-treatment fungicide, in bronze plating, and as a copper source in animal feed.
Biocidal Action
Color / Pigmentation
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Beeswax
CAS 8012-89-3
A versatile natural insect wax that structures, emulsifies, and protects across candles, polishes, and cosmetic formulations. It is used in candles, in furniture and leather polishes, as a coating and modeling wax, and as an emollient, emulsifier, and structuring agent in cosmetics.
Emolliency
Surfactancy
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Behenyl Alcohol (Docosanol, C22-OH)
CAS 661-19-8
A solid C22 fatty alcohol for emollient, co-emulsifier, and lubricant applications. Established uses include cosmetic emollients and co-emulsifiers, lubricants, synthetic fibers, and service as an evaporation retardant on water surfaces.
Emolliency
Surfactancy
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Bentonite (Montmorillonite Clay)
CAS 1302-78-9
A swelling montmorillonite clay that delivers binding, suspension, and adsorption performance across foundry, drilling, and processing operations. It is used as a binder in foundry molding and core sands, as the principal viscosifier in drilling muds, as an iron-ore pelletizing binder, and as an adsorbent…
Color / Pigmentation
Thickening / Rheology
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Benzil dimethyl ketal (2,2-dimethoxy-2-phenylacetophenone)
CAS 24650-42-8
Highly reactive Type I benzil-ketal photoinitiator for fast cure of clear UV coatings and varnishes (Coatings & Construction) Used in UV inks and high-speed line curing (Industrial Manufacturing) Cures clear UV-curable adhesives, composites and unsaturated-polyester systems (Plastics & Polymers)
Crosslinking / Curing
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Benzisothiazolinone (BIT)
CAS 2634-33-5
A broad-spectrum isothiazolinone preservative for protecting water-based industrial products from microbial spoilage. It is used as a preservative in water-based products such as paints, pastes, and metalworking and cutting fluids, and as an antimicrobial/slimicide in manufacturing.
Biocidal Action
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Benzoin
CAS 119-53-9
Crosslinking / Curing
Synthesis Intermediate
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Benzophenone (BP)
CAS 119-61-9
Classic Type II hydrogen-abstraction photoinitiator, used with amine synergists for surface cure of UV coatings and varnishes (Coatings & Construction) Low-cost initiator for UV/UV-LED inks and overprint varnish (Industrial Manufacturing) Cures UV-curable plastics and adhesives in amine-synergist systems (Plastics & Polymers)
Crosslinking / Curing
Synthesis Intermediate
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Benzotriazole (BTA)
CAS 95-14-7
A copper-passivating azole that forms a protective film on copper and brass, specified across cooling-water and metal-protection programs. It protects metal in recirculating water-cooling systems, metalworking fluids, and antifreeze, and also serves as a chemical intermediate and a tarnish-preventing surface treatment.
Biocidal Action
Corrosion Inhibition
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Benzylparaben
CAS 94-18-8
A benzyl-ester paraben for antimicrobial preservation of personal-care systems. PubChem/CIR classify it as a cosmetic antimicrobial. It is supplied in bulk as a preservative ingredient for personal-care formulations.
Biocidal Action
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Beta-D-Glucan (Beta-Glucan)
CAS 9051-97-2
A glucose-polysaccharide soluble fiber for supplement, food, and personal-care formulation. PubChem/CIR list Beta-Glucan as a cosmetic ingredient; beta-glucans are also used in dietary-supplement and functional-food applications.
Moisture Control
Film Formation
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Beta-Glucan
CAS 51052-65-4
A polysaccharide concentrate for nutraceutical and personal-care formulation. Beta-glucans are CIR-listed cosmetic ingredients and are also used in dietary-supplement and functional-food applications.
Moisture Control
Conditioning
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Bilberry Extract (Vaccinium myrtillus)
CAS 84082-34-8
An anthocyanin-bearing bilberry fruit extract for nutraceutical and cosmetic formulation. It is supplied as a raw material for dietary-supplement, functional-food, and cosmetic formulations.
Preservation
Conditioning
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Biotin (Vitamin B7)
CAS 58-85-5
A B-vitamin cofactor supplied for nutrition, feed, and personal-care formulation. Established uses include service as a nutritional-supplement ingredient, an animal-feed additive, and a cosmetic hair- and skin-conditioning agent.
Conditioning
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Biphenyl (Diphenyl)
CAS 92-52-4
An aromatic hydrocarbon valued as a heat-transfer medium and dyeing assistant. Established uses include service as a heat-transfer fluid, an intermediate in organic synthesis, a dye carrier for polyester dyeing, and a fungistat in citrus-fruit packaging.
Solvency
Synthesis Intermediate
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Bisphenol A Diglycidyl Ether Epoxy Resin (DGEBA, BADGE)
CAS 25068-38-6
The base liquid epoxy resin underpinning adhesives, coatings, and composites. It is used to formulate adhesives, protective and industrial coatings, castings and pottings, and fiberglass-reinforced composite laminates.
Film Formation
Crosslinking / Curing
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