Functional Role

Preservatives

182 products serving this function

Preservatives protect formulas from microbial spoilage over shelf life. RawSource supplies parabens, phenoxyethanol, organic acids, and isothiazolinones in bulk.

Specialty Additives
Magnesium Ascorbyl Phosphate (MAP)
CAS 113170-55-1
A hydrolysis-stable vitamin C phosphate ester formulated for water-based skin care. It is used as an antioxidant active and stable vitamin C source in cosmetic and personal-care formulations.
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Acids & Salts
Mandelic Acid
CAS 90-64-2
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Mineral Fillers & Pigments
Manganese Dioxide
CAS 1313-13-9
Technical-grade manganese dioxide for battery cathodes, synthetic oxidation, and glass and ceramic coloring. It is used primarily in dry-cell and alkaline batteries and as an oxidant in organic synthesis, and also serves as a glass decolorizer and colorant, a ceramic and brick pigment, and a…
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Specialty Additives
Methyl-1-tallow Amidoethyl-2-tallow Imidazolinium Methyl Sulfate
CAS 68424-85-1
A tallow-based imidazolinium quat that deposits softening, antistatic feel onto fibers and surfaces. Quaternaries of this class are used as fabric- and textile-softening actives and as antistatic, substantive conditioning agents.
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Specialty Additives
Methylchloroisothiazolinone (CMIT)
CAS 26172-55-4
A broad-spectrum isothiazolinone microbiostat supplied as an in-can preservative for industrial and water-based systems. It is used as a preservative and biocide in cosmetics and across industrial systems including metalworking fluids, latex paints, adhesives, and process waters.
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Specialty Additives
Methylchloroisothiazolinone/Methylisothiazolinone (CMIT/MIT)
CAS 55965-84-9
A water-based 3:1 isothiazolinone preservative blend supplied for broad-spectrum protection of formulated products. It is used as a broad-spectrum preservative and biocide in cosmetics, personal-care products, and industrial water-based systems.
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Specialty Additives
Methylisothiazolinone (MIT)
CAS 2682-20-4
A broad-spectrum isothiazolinone preservative that holds back microbial spoilage in water-based systems. It is used as an antimicrobial preservative in paints, latex emulsions, adhesives, metalworking and cutting fluids, paper coatings, and cooling and process water.
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Specialty Additives
Methyltin Mercaptide (Organotin Stabilizer)
CAS 57583-35-4
An organotin heat stabilizer that keeps rigid PVC from degrading under high-temperature processing. It protects PVC against thermal degradation during extrusion, calendering, blow molding, and injection molding.
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Specialty Additives
Mixed Tocopherols (Vitamin E, Tocopherol)
CAS 10191-41-0
A natural-source antioxidant concentrate that protects fats, oils, and feed against oxidation. They protect fats, oils, and oil-rich foods and feedingstuffs against oxidation and serve as a nutritional additive in animal feeds, foods, and dietary supplements.
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Specialty Additives
Mixed Tocopherols Powder (Vitamin E Powder)
CAS 1406-66-2
A free-flowing, carrier-adsorbed Vitamin E antioxidant for dry blends and premixes. It is used as an antioxidant to protect fats and oils against oxidation and as a Vitamin E nutritional ingredient in foods, feed premixes, and dietary supplements.
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Specialty Additives
N-(n-Butyl)thiophosphoric Triamide (NBPT)
CAS 94317-64-3
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Amines & Amides
N,N’-Bis(2,2,6,6-tetramethyl-4-piperidinyl)-1,3-benzenedicarboxamide (isophthalamide)
CAS 42774-15-2
Light and heat stabilization of polyamide (nylon) engineering parts and fibers Improves dye uptake/lightfastness and thermo-oxidative stability in PA fibers, carpets and textiles Reduces gas-fume yellowing and processing degradation of polyamide compounds
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Amines & Amides
N,N”’-1,2-Ethanediylbis-1,3,5-triazin-2-yl]amino]propyl]-N’,N”-dibutyl-N’,N”-bis(1,2,2,6,6-pentamethyl-4-piperidinyl)-1,3,5-triazine-2,4,6-triamine] (oligomeric)
CAS 106990-43-6
High-molecular-weight oligomeric triazine HALS for very long-term UV/light stabilization with minimal migration Light stabilization of PE, EVA, ABS, TPO and engineering thermoplastics in demanding weathering applications Durable protection where low volatility and extraction resistance are required (films, profiles, PVC)
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Specialty Additives
Octocrylene
CAS 6197-30-4
A liquid organic UV absorber for cosmetic UV-filter blends and polymer light-stabilization. Established uses include service as a UV filter and UV absorber in cosmetic formulations and as a UV/light stabilizer in plastics and coatings.
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Specialty Additives
Paraformaldehyde (Paraform)
CAS 30525-89-4
A dry, depolymerizable formaldehyde source for resin synthesis and industrial biocide duties. Established uses include production of formaldehyde-based resins, wood preservation, leather tanning, and service as a disinfectant, fumigant and fungicide in industrial settings.
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Glycols & Polyols
Pentylene Glycol (1,2-Pentanediol)
CAS 5343-92-0
A versatile diol carried across personal-care, cleaning, and ink formulations as a solvent base. It is also used in industrial, professional, and consumer cleaning and maintenance products, air care products, polishes and wax blends, and inks and toners.
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Specialty Additives
Phenol (Carbolic Acid)
CAS 108-95-2
The benchmark aromatic feedstock behind phenolic resins, bisphenol A and a broad range of derivative chemicals. Its primary use is the production of phenolic resins for plywood, construction, automotive and appliance applications; it also serves as a chemical intermediate for bisphenol A and other compounds,…
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Specialty Additives
Phenoxyethanol (Ethylene Glycol Monophenyl Ether)
CAS 122-99-6
A glycol-ether preservative that controls microbial growth across a broad pH range in personal-care products. It is widely used as a preservative in cosmetic and personal-care formulations, as a perfume fixative, and as a solvent for dyes, inks and resins.
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Specialty Additives
Phenoxyethanol and Paraben Preservative Blend
A ready-to-use blend that combines phenoxyethanol with several parabens for formulation preservation. It is supplied as a preservative system for personal-care and cosmetic formulations.
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Solvents - Oxygenated
Phenylethyl Alcohol (2-Phenylethanol, Phenethyl Alcohol)
CAS 60-12-8
The rose note of perfumery, supplied as a single aromatic alcohol for fragrance and flavor work. It is used as a fragrance ingredient in perfumes, cosmetics, soaps and detergents, as a flavoring agent in foods and beverages, and as a fragrance fixative.
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Specialty Additives
Phenylethyl Resorcinol
CAS 85-27-8
A resorcinol-derived specialty ingredient supplied to personal-care formulators. Phenylethyl Resorcinol (CAS 85-27-8) is a phenylethyl-substituted resorcinol (a benzene-1,3-diol derivative) supplied as a specialty ingredient for cosmetic and personal-care formulating.
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Specialty Additives
Phloretin
CAS 60-82-2
A naturally occurring dihydrochalcone supplied in purified form for flavor and specialty formulating. It is recognized by JECFA as a flavoring agent and is otherwise supplied as a specialty and reference-grade ingredient to formulators.
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Phosphate Esters & Derivatives
Phytic Acid (Inositol Hexaphosphate, IP6)
CAS 83-86-3
A naturally sourced organophosphate valued for strong multivalent metal-ion chelation. It is used as a chelating agent that sequesters metal ions.
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Amines & Amides
Piroctone Olamine
CAS 68890-66-4
A hydroxypyridinone preservative valued for activity at low addition levels in personal-care bases. It is supplied as a fine powder for incorporation into rinse-off and leave-on product bases.
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Specialty Additives
Polymeric HALS Light Stabilizer (Chimassorb 944 Type)
CAS 71878-19-8
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Acids & Salts
Potassium Lactate
CAS 996-31-6
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Acids & Salts
Potassium Metabisulfite (Potassium Pyrosulfite)
CAS 16731-55-8
A solid source of sulfur dioxide used as an antioxidant, preservative, and bleaching agent in winemaking, brewing, and food. Established uses include antioxidant and preservative duty in winemaking, brewing, and the preservation of fruits and vegetables; bleaching; and use as a developing agent in photographic…
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Acids & Salts
Potassium Nitrate (Saltpeter)
CAS 7757-79-1
A dual-nutrient oxidizing salt serving fertilizer, pyrotechnic, glass, and metal heat-treating markets. Established uses include a combined potassium-and-nitrogen fertilizer, an oxidizer in pyrotechnics and propellant formulations, a raw material in glass manufacture, a component of molten-salt baths for tempering steel, and a color-retention and curing…
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Acids & Salts
Potassium Sorbate (E202)
CAS 24634-61-5
A water-soluble sorbate salt that controls mold and yeast across food, beverage, and cosmetic systems. It functions as a preservative and mold and yeast inhibitor in foods, beverages, wine, and personal-care formulations.
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Acids & Salts
Propionic Acid
CAS 79-09-4
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Specialty Additives
Propyl Gallate (E310)
CAS 121-79-9
A phenolic antioxidant that protects fats, oils, and oil-soluble formulations against oxidative rancidity. It is used to retard oxidation and rancidity in edible fats, oils, and other foods, and as an antioxidant for cosmetics, emulsions, waxes, and industrial oils.
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Glycols & Polyols
Propylene Glycol (MPG, PG)
CAS 57-55-6
A versatile diol that functions as humectant, solvent, and freeze-point depressant across food-grade and industrial systems. It is used as a humectant and solvent, as an antifreeze, de-icing, and heat-transfer fluid, and as a raw material for unsaturated polyester resins.
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Specialty Additives
Quercetin Dihydrate (Quercetin)
CAS 6151-25-3
Bulk flavonoid raw material for supplement, antioxidant, and natural-colorant use. It is supplied as a dietary-supplement raw material and is also used as a free-radical-inhibiting antioxidant in cosmetic formulations and as a natural yellow colorant.
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Specialty Additives
Resorcinol (1,3-Benzenediol, m-Dihydroxybenzene)
CAS 108-46-3
A reactive dihydroxybenzene building block for rubber-bonding resins, adhesives, and dye intermediates. Its primary industrial use is as a monomer for resorcinol-formaldehyde resins and adhesives used in tire-cord and rubber-to-textile bonding and in high-performance wood adhesives; it also serves as an intermediate for dyes and…
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Specialty Additives
Resveratrol (trans-Resveratrol, 3,5,4′-Trihydroxystilbene)
CAS 501-36-0
Bulk stilbenoid polyphenol for nutraceutical and cosmetic antioxidant formulation. It is supplied primarily as a dietary-supplement raw material and is also used as an antioxidant ingredient in cosmetic formulations.
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Natural Extracts & Oils
Rosemary Extract (Rosmarinus Officinalis Extract)
CAS 84604-14-8
A plant-derived antioxidant and flavor extract for oxidative stabilization of fats and formulations. It is used as a natural antioxidant to retard oxidative rancidity in food, oil, and cosmetic systems and as a flavoring and fragrance component.
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Natural Extracts & Oils
Royal Jelly Extract (Royal Jelly)
CAS 8014-13-9
An apiculture-derived raw material for supplement and personal-care formulation. It is supplied as a raw material for dietary-supplement and cosmetic formulations.
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Natural Extracts & Oils
Rue Leaf Extract (Ruta Graveolens Extract)
CAS 84696-14-0
An herbaceous botanical extract for fragrance and flavor formulation. It is used as a fragrance and flavoring component in formulation.
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Specialty Additives
Rutin (Rutoside, Quercetin-3-O-rutinoside)
CAS 153-18-4
A flavonoid glycoside for antioxidant and conditioning roles across cosmetic and supplement formulations. It is used as an antioxidant and as a skin- and hair-conditioning ingredient in cosmetic formulations, and as a flavonoid raw material for dietary supplements.
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Acids & Salts
Salicylic Acid
CAS 69-72-7
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Specialty Additives
Silymarin (Milk Thistle Extract)
CAS 65666-07-1
A milk-thistle flavonolignan concentrate supplied as an antioxidant active for cosmetic and personal-care formulating. It is supplied as a botanical extract raw material and is used as an antioxidant and skin-conditioning ingredient in cosmetic formulations.
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Acids & Salts
Sodium Acetate
CAS 127-09-3
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Acids & Salts
Sodium Acid Pyrophosphate (SAPP, Disodium Pyrophosphate)
CAS 7758-16-9
A controlled-rate leavening acid in the bakery and a chelating, metal-conditioning phosphate on the plant floor. It is used as a leavening acid in baking powders and as a food acidulant, sequestrant, and buffering agent, and industrially as a chelating and dispersing agent and a…
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Surfactants - Anionic
Sodium and Magnesium Laureth Sulfate Blend
CAS 7439-95-4
A pre-blended sulfate surfactant system for ready-to-formulate personal-care cleansers. Used as a primary foaming and cleansing surfactant base in shampoos, body washes, and other personal-care cleansers.
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Specialty Additives
Sodium Ascorbyl Phosphate (SAP)
CAS 66170-10-3
A phosphate-stabilized vitamin C salt that resists oxidation far better than free ascorbic acid in finished formulas. It is used as an antioxidant and skin-conditioning ingredient in cosmetic and personal-care formulations, where it offers greater oxidative stability than free ascorbic acid.
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Acids & Salts
Sodium Benzoate (Benzoate of Soda)
CAS 532-32-1
An acid-side preservative and rust inhibitor for water-based foods, beverages, and coatings. It preserves foods, beverages, and water-based products in an acidic pH range and inhibits rust and mildew.
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Acids & Salts
Sodium Bisulfite (Sodium Hydrogen Sulfite)
CAS 7631-90-5
A sulfur-based reducer that scavenges oxygen, strips chlorine, and bleaches across water, pulp, and textile streams. It is used as a reducing and oxygen-scavenging agent, a bleaching agent for wood pulp and textiles, an antioxidant and preservative, a dechlorinating agent in water treatment, and a…
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Acids & Salts
Sodium Chloride (Industrial Salt)
CAS 7647-14-5
Bulk industrial salt for brine systems, leather processing, and chlor-alkali feedstock supply. It is used in hide preservation and the pickling stage of leather production, as brine for ion-exchange regeneration, and as a feedstock for chlor-alkali production.
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