Specialty Additives
Praziquantel USP NF
CAS 55268-74-1
An anthelmintic pharmaceutical active ingredient used to treat parasitic worm infections in human and veterinary applications.
Biocidal Action
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Mineral Fillers & Pigments
Precipitated Silica
CAS 112926-00-8
A fine amorphous silica filler used to reinforce rubber and silicone products, prevent caking in powders.
Thickening / Rheology
Moisture Control
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Glycols & Polyols
Propanediol (1,3-Propanediol, PDO)
CAS 504-63-2
A diol monomer for polytrimethylene terephthalate (PTT) fibers and textiles, also used as a chain extender in polyurethanes and in antifreeze formulations.
Solvency
Viscosity Modification
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Solvents - Oxygenated
Propargyl Alcohol (2-Propyn-1-ol, 2-Propynol, Prop-2-yn-1-ol)
CAS 107-19-7
A water-miscible acetylenic alcohol used as a corrosion inhibitor in acid pickling and oil-well acidizing, and as a chemical intermediate in synthesis.
Solvency
Corrosion Inhibition
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Acids & Salts
Propionic Acid (Propanoic Acid)
CAS 79-09-4
A colorless liquid organic acid used as a preservative in food and animal feed, and as a chemical intermediate in pharmaceuticals and polymers.
Preservation
Synthesis Intermediate
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Acids & Salts
Propionic Anhydride (Propanoic Anhydride)
CAS 123-62-6
A liquid anhydride used as a propionylating and esterifying agent for cellulose, fats, and perfume oils.
Synthesis Intermediate
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Specialty Additives
Propyl Gallate (E310)
CAS 121-79-9
A synthetic antioxidant ester used to prevent oxidation and rancidity in edible oils, fats, foods, cosmetics, and industrial lubricants.
Solvency
Preservation
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Amines & Amides
Propylamine (n-Propylamine, 1-Aminopropane)
CAS 107-10-8
A primary aliphatic amine used as a chemical intermediate in manufacturing rubber chemicals, agricultural chemicals, dyestuffs, and corrosion inhibitors.
Crosslinking / Curing
pH Adjustment
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Glycols & Polyols
Propylene Carbonate (PC)
CAS 108-32-7
A cyclic carbonate ester and polar aprotic solvent used in lithium-ion battery electrolytes, gas removal systems, and surface coatings.
Solvency
Viscosity Modification
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Glycols & Polyols
Propylene Glycol (MPG, PG)
CAS 57-55-6
A clear, viscous diol used as a humectant, solvent, and carrier in pharmaceuticals, personal care, food products, and industrial antifreeze formulations.
Moisture Control
Solvency
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Specialty Additives
Propylene Glycol Alginate (PGA, E405)
CAS 9005-37-2
A polysaccharide ester thickener, stabilizer, and emulsifier derived from brown seaweed for food, beverage, and beer foam applications.
Film Formation
Viscosity Modification
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Glycols & Polyols
Propylene Glycol Methyl Ether (Glycol Ether PM, PGME)
CAS 107-98-2
A fast-evaporating glycol ether solvent with water and organic solubility used in lacquers, paints, printing inks, coatings, and cleaning formulations.
Solvency
Cleaning / Degreasing
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Glycols & Polyols
Propylene Glycol Monomethyl Ether Acetate (PGMEA, PMA)
CAS 108-65-6
A slow-evaporating ester-ether solvent used in paints, inks, lacquers, coatings, and semiconductor photoresist formulations.
Solvency
Cleaning / Degreasing
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Glycols & Polyols
Propylene Glycol Monostearate (PGMS)
CAS 1323-39-3
An ester emulsifier and opacifier used in cosmetics, personal care products, and food formulations.
Surfactancy
Emolliency
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Surfactants - Nonionic
Propylene Glycol Monostearate, Self-Emulsifying (PGMS)
CAS 1323-39-3
A self-emulsifying nonionic surfactant used as an emulsifier and texture agent in cosmetic creams, lotions, and food formulations.
Cleaning / Degreasing
Surfactancy
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Solvents - Oxygenated
Propylene Glycol n-Butyl Ether (Glycol Ether PnB)
CAS 5131-66-8
A slow-evaporating coupling solvent used in coatings, cleaners, and industrial formulations requiring extended open time and low volatility.
Solvency
Film Formation
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Esters
Pyridoxine Tripalmitate
CAS 4372-46-7
An oil-soluble pyridine ester used in cosmetics as a skin and hair conditioner and antistatic agent for anhydrous and emulsion-based personal-care products.
Conditioning
Emolliency
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Amines & Amides
Pyrrolidinyl Diaminopyrimidine Oxide
CAS 55921-65-8
A pyrimidine N-oxide derivative used as a water-dispersible active ingredient in hair-care serums, lotions, and shampoos.
Conditioning
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Surfactants - Cationic
Quaternium-18 Hectorite (Organoclay)
CAS 12001-31-9
An organoclay rheology modifier that thickens oils and solvents while suspending pigments and actives in cosmetic, pharmaceutical, and clear-oil formulations.
Thickening / Rheology
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Surfactants - Cationic
Quaternium-73
CAS 15763-48-1
An antimicrobial active ingredient used in cosmetic and personal-care formulations to provide biocidal protection.
Biocidal Action
Surfactancy
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Surfactants - Cationic
Quaternium-80 (Silicone-Based Quaternary Ammonium Compound)
CAS 134737-05-6
A silicone-based quaternary ammonium compound used as a conditioning and antistatic agent in personal-care formulations.
Conditioning
Surfactancy
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Surfactants - Cationic
Quaternium-87 (Imidazolium Ester Quaternary Ammonium Compound)
CAS 92201-88-2
A cationic conditioning surfactant with mixed C9-C19 alkyl chains, used in hair-care formulations for conditioning and antistatic properties.
Conditioning
Surfactancy
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Specialty Additives
Quercetin Dihydrate (Quercetin)
CAS 6151-25-3
A crystalline plant flavonoid supplied as a dietary-supplement ingredient and antioxidant for cosmetic formulations and natural yellow colorant applications.
Preservation
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Mineral Fillers & Pigments
Red Lead (Lead Tetroxide, Pb3O4, orange lead)
CAS 1314-41-6
A bright red-orange lead oxide used as a pigment in glass, ceramics, and paints, and as a component in battery anodes and lubricant coatings.
Color / Pigmentation
Corrosion Inhibition
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Specialty Additives
Resorcinol (1,3-Benzenediol, m-Dihydroxybenzene)
CAS 108-46-3
A crystalline powder monomer for resorcinol-formaldehyde resins used in tire-cord adhesives, rubber-to-textile bonding.
Preservation
pH Adjustment
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Specialty Additives
Resveratrol (trans-Resveratrol, 3,5,4′-Trihydroxystilbene)
CAS 501-36-0
A stilbene polyphenol antioxidant used in dietary supplements, cosmetics, and nutricosmetic formulations.
Conditioning
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Specialty Additives
Retinaldehyde (Retinal, Vitamin A Aldehyde)
CAS 116-31-4
A retinoid aldehyde intermediate used as a skin-conditioning active in anti-aging and cosmetic formulations.
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Specialty Additives
Retinol (Vitamin A)
CAS 68-26-8
An alcohol form of vitamin A used as a skin-conditioning ingredient in cosmetics and as a nutritional source for supplements and food fortification.
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Esters
Retinyl Retinoate
CAS 15498-86-9
A synthetic retinoid ester used as a skin-conditioning ingredient in facial serums, creams, and topical cosmetic formulations.
Conditioning
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Acids & Salts
Ribonucleic Acid (RNA)
CAS 63231-63-0
A polynucleotide biochemical reagent used in molecular biology research, nucleotide synthesis, and cosmetic formulations as a skin-conditioning ingredient.
Conditioning
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Esters
Rose Hip Seed Oil (Rosehip Oil, Rosa Canina Seed Oil)
CAS 84696-47-9
A fixed vegetable oil pressed from Rosa seeds, rich in unsaturated fatty acids, used as an emollient and carrier in cosmetic serums, balms, and emulsions.
Emolliency
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Natural Extracts & Oils
Rosemary Extract (Rosmarinus Officinalis Extract)
CAS 84604-14-8
A botanical extract used as a natural antioxidant to prevent rancidity in oils, fats, and cosmetics, and as a flavoring and fragrance component.
Preservation
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Natural Extracts & Oils
Rosewood Oil (Bois de Rose Oil, Aniba Rosaeodora Oil)
An essential oil steam-distilled from Aniba rosaeodora, used as a fragrance and flavoring ingredient and as a feedstock for linalool isolation.
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Natural Extracts & Oils
Royal Jelly Extract (Royal Jelly)
A natural extract from honeybee secretions used as a raw material in dietary supplements, nutricosmetics, and skin-conditioning personal-care formulations.
Conditioning
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Natural Extracts & Oils
Rue Leaf Extract (Ruta Graveolens Extract)
CAS 84696-14-0
A botanical extract used as a fragrance ingredient for green, herbaceous notes in perfumery, flavorings, and personal-care formulations.
Conditioning
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Specialty Additives
Rutin (Rutoside, Quercetin-3-O-rutinoside)
CAS 153-18-4
A flavonol glycoside powder used as an antioxidant and conditioning ingredient in cosmetics and dietary supplement formulations.
Conditioning
Chelation / Sequestration
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Acids & Salts
Salicylic Acid
CAS 69-72-7
A beta hydroxy acid used in skincare formulations, chemical peels, and acne treatments for exfoliation and keratolytic action.
Synthesis Intermediate
pH Adjustment
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Specialty Additives
Saponin (Saponins)
CAS 8047-15-2
A naturally occurring glycoside with surface-active properties used as a natural surfactant, foaming agent.
Cleaning / Degreasing
Surfactancy
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Natural Extracts & Oils
Saw Palmetto Extract (Serenoa Repens Berry Extract)
CAS 84604-15-9
A botanical extract from saw palmetto berries supplied as a concentrated raw material for dietary supplement formulations.
Conditioning
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Specialty Additives
Sclerotium Gum (Scleroglucan)
CAS 39464-87-4
A high-molecular-weight beta-glucan polysaccharide thickener and emulsion stabilizer for cosmetic, personal-care, and industrial formulations.
Thickening / Rheology
Moisture Control
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Acids & Salts
Sebacic Acid
CAS 111-20-6
A ten-carbon dicarboxylic acid used as a comonomer for nylon 6,10 polyamides and raw material for alkyd resins, polyesters, and plasticizer esters.
pH Adjustment
Synthesis Intermediate
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Specialty Additives
sec-Hexadecylnaphthalene (Alkylated Naphthalene)
CAS 94247-63-9
An alkyl-substituted naphthalene hydrocarbon used as a synthetic lubricant base fluid and alkyl-aromatic intermediate.
Lubrication
Solvency
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Esters
Shea Butter (Butyrospermum Parkii, Vitellaria Paradoxa, Karite Butter)
CAS 194043-92-0
A natural fixed fat from shea tree nuts used as an emollient and structuring ingredient in cosmetic creams, lotions, balms, and stick formulations.
Emolliency
Surfactancy
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Specialty Additives
Shellac
CAS 9000-59-3
A natural resin used as a film-former in wood finishes, coatings, inks, and electrical insulation applications.
Emolliency
Film Formation
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Mineral Fillers & Pigments
Silica Dimethyl Silylate (Hydrophobic Fumed Silica)
CAS 68611-44-9
A hydrophobic fumed silica used as a rheology modifier and anti-settling thickener in oils and non-aqueous systems.
Defoaming / Foam Control
Viscosity Modification
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Mineral Fillers & Pigments
Silica Dimethyl Silylate [Nano]
CAS 68611-44-9
A hydrophobic fumed silica additive that controls rheology, prevents settling, and reinforces coatings, inks, adhesives, and silicone rubber systems.
Defoaming / Foam Control
Viscosity Modification
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Silicone Antifoam Emulsion (Silicone Defoamer)
A water-based silicone emulsion that suppresses foam in aqueous systems, petroleum processing, and detergent formulations.
Defoaming / Foam Control
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Silicone Fluids & Oils
Silicone Emulsion — 60% Solids, Non-Ionic (RS-EM 350/60 / RS-EM 1000/60)
A non-ionic polydimethylsiloxane emulsion supplied at 63% solids for mold release, water repellency, and anti-foam applications in plastics and metalworking.
Slip / Release
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