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.

Esters
D-Alpha-Tocopheryl Acetate (Vitamin E Acetate)
CAS 58-95-7
An oxidation-stable vitamin E ester supplied as an oil for supplement and cosmetic use. Industry references record use as an antioxidant in oils, a vitamin E supplement, a common form in sunscreen and skin-care products, and a UV stabilizer.
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Solvents - Oxygenated
Dichloroethyl Ether (Bis(2-chloroethyl) Ether)
CAS 111-91-1
A chlorinated ether solvent and reactive intermediate for polysulfide polymer chemistry. It is used as a solvent and as a chemical intermediate in the manufacture of polysulfide rubber and polymers.
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Amines & Amides
Diethylenetriaminepentaacetic Acid (DTPA)
CAS 67-43-6
A high-capacity aminopolycarboxylate chelant that locks up transition-metal ions across bleaching, cleaning, and micronutrient applications. It sequesters polyvalent metal ions and is used to stabilize peroxide in pulp and paper bleaching, to control metal ions and hardness in detergents and water treatment, in photographic processing,…
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Specialty Additives
Dimethylmethoxy Chromanol
CAS 83923-51-7
A synthetic chromanol that guards formulation integrity against oxidative breakdown. In cosmetic ingredient nomenclature it is used as an antioxidant in personal-care formulations.
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Amines & Amides
Disodium EDTA (Disodium Edetate, EDTA-2Na)
CAS 139-33-3
A workhorse metal chelant that neutralizes trace-ion interference across cleaning, textile, and personal-care chemistry. It binds trace metal ions to stabilize formulations, retain color, and support preservative systems in personal care and industrial products.
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Esters
Epoxidized Soybean Oil (ESBO, ESO)
CAS 8013-07-8
A bio-based PVC additive that plasticizes and stabilizes in one molecule by mopping up liberated HCl. It is used as a secondary plasticizer and co-stabilizer for polyvinyl chloride, where it also scavenges the hydrogen chloride liberated during PVC processing.
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Surfactants - Amphoteric
Ergothioneine (L-Ergothioneine)
CAS 497-30-3
A naturally occurring sulfur-containing amino acid used as an antioxidant ingredient in cosmetic and personal-care formulations. It is used as an antioxidant ingredient in cosmetic and personal-care formulations.
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Acids & Salts
Erythorbic Acid (Isoascorbic Acid, D-Araboascorbic Acid)
CAS 89-65-6
A stereoisomer of ascorbic acid used as a cost-effective antioxidant and reducing agent in food and process applications. It is widely used as a food antioxidant, including in the brewing and cured-meat industries, and as a reducing agent in photographic processing.
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Solvents - Oxygenated
Ethanol (Ethyl Alcohol, EtOH)
CAS 64-17-5
A versatile industrial alcohol that doubles as solvent, feedstock, and fuel oxygenate across chemical manufacturing. It dissolves a wide range of organic compounds and serves as a reaction and extraction medium, a denatured-alcohol base, and a gasoline octane component.
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Acids & Salts
Ethyl Ferulate (Ferulic Acid Ethyl Ester)
CAS 4046-02-0
A lipophilic ferulic acid ester for oil-phase cosmetic formulating. Esterification yields a more lipophilic, oil-compatible form of the parent phenolic, and it is supplied as an ingredient for cosmetic and personal-care formulations.
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Amines & Amides
Ethylenediaminetetraacetic Acid (EDTA)
CAS 60-00-4
A hexadentate chelant that locks up metal ions across cleaning, water, and process chemistry. It binds calcium, magnesium, iron, and other metal ions to control hardness, prevent metal-catalyzed degradation, and sequester trace metals across detergents, water treatment, pulp and paper, textiles, and food preservation.
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Specialty Additives
Ethyleneiminomethylguaiacol-manganese chloride
CAS 81065-76-1
A powerful antioxidant and anti-aging ingredient that protects skin from oxidative stress, reduces inflammation, and supports skin repair. Commonly used in
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Glycols & Polyols
Ethylhexylglycerin (Octoxyglycerin)
CAS 70445-33-9
A multifunctional glyceryl ether formulated into personal-care products as a skin-conditioning additive. It also appears on fragrance ingredient inventories.
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Phosphate Esters & Derivatives
Etidronic Acid Disodium Salt (HEDP.Na2)
CAS 7414-83-7
Phosphonate sequestrant that locks up hardness ions and suppresses scale in recirculating water systems. Used as a chelating agent, scale and corrosion inhibitor, and deflocculant in water treatment, detergents, and industrial cleaning, and as a chelating agent in cosmetic formulations.
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Specialty Additives
Eugenol (4-Allyl-2-methoxyphenol)
CAS 97-53-0
A clove-derived aroma phenol that doubles as a flavor note and a vanillin precursor. It is used as a flavoring and fragrance ingredient, contributing warm, spicy, clove-like character, and as a chemical intermediate, notably for the production of isoeugenol and vanillin.
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Acids & Salts
Ferulic Acid (4-Hydroxy-3-methoxycinnamic Acid)
CAS 1135-24-6
A plant-derived hydroxycinnamic acid supplied for food-preservation and analytical applications. It is used as a food preservative, as a MALDI matrix compound for mass spectrometry, and as an antimicrobial ingredient in cosmetic formulations.
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Specialty Additives
Formaldehyde (Formalin)
CAS 50-00-0
A high-volume C1 building block anchoring resin manufacture and a broad range of industrial processing. Its predominant use is as a chemical intermediate, notably in urea-formaldehyde and related resins, with further uses as a disinfectant and fumigant and in wood preservation, leather tanning and textile…
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Acids & Salts
Formic Acid (Methanoic Acid)
CAS 64-18-6
A versatile organic acid used wherever a strong, volatile, readily-decomposing acid is required. It is used in textile, leather and paper dyeing and finishing, in electroplating, as a chemical intermediate, and as a corrosion inhibitor in oilfield treatment fluids.
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Acids & Salts
Fumaric Acid (trans-Butenedioic Acid)
CAS 110-17-8
A long-shelf-life solid acidulant and a reactive diacid for unsaturated polyester systems. It is used as a food acidulant (for example in gelatin desserts and dry beverage powders), as a fortifier in unsaturated polyester, paper-size and alkyd coating resins, and as a chemical intermediate.
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Natural Extracts & Oils
Ginkgo Biloba Extract
CAS 90045-36-6
A standardized Ginkgo biloba leaf extract supplied as a formulation ingredient for supplement and cosmetic manufacturers. It is used as an ingredient in herbal/dietary supplements and in cosmetic skin-conditioning formulations.
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Specialty Additives
Glabridin
CAS 59870-68-7
A licorice-derived isoflavane supplied as a defined specialty compound for formulators and laboratories. It is supplied as a characterized specialty ingredient for cosmetic and personal-care formulation and as an analytical reference material.
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Specialty Additives
Gluconolactone
CAS 90-80-2
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Specialty Additives
Glutaraldehyde (Glutaral, Pentanedial)
CAS 111-30-8
A reactive dialdehyde valued as a broad-spectrum industrial biocide and protein cross-linker. It is used as an industrial biocide in oilfield, water and process systems, as a leather tanning agent, as a cross-linker for proteins and polyhydroxy materials, and as a tissue fixative.
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Amines & Amides
Glutathione (L-Glutathione)
CAS 70-18-8
A naturally occurring thiol tripeptide supplied in bulk for nutritional and cosmetic formulation. It is supplied as an ingredient for dietary supplements and as a reducing-agent ingredient in cosmetic formulations.
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Acids & Salts
Glycyrrhizic Acid (Glycyrrhizin)
CAS 1405-86-3
Naturally derived saponin glycoside delivering intense sweetness and foam stabilization at low dose. Used in food and beverage as a high-intensity sweetener, foaming agent, and flavoring/taste-masking agent, and in cosmetic formulations as a humectant and skin-conditioning ingredient.
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Natural Extracts & Oils
Grape Seed Extract (OPC, Proanthocyanidins)
CAS 84929-27-1
Polyphenol-dense seed extract supplied as a high-assay OPC raw material. Used as an ingredient in cosmetic and dietary-supplement formulations.
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Natural Extracts & Oils
Grapefruit Seed Extract (GSE)
CAS 90045-43-5
Citrus-bioflavonoid seed extract supplied as a formulation-ready liquid concentrate. Used as an ingredient in cosmetic, personal-care, and dietary-supplement formulations.
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Polymers & Resins
HALS-2020 Light Stabilizer (High-Molecular-Weight Triazine HALS)
CAS 192268-64-7
High-molecular-weight polymeric HALS for long-term light stabilization of polyolefin films, tapes and fibers Low-volatility, extraction-resistant protection suited to agricultural and packaging films Weathering protection of PP/PE, PA, TPE and PU articles
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Esters
HALS-292 Light Stabilizer (Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) Sebacate)
CAS 41556-26-7
Liquid N-methylated HALS for durable UV/light and gloss protection of automotive, industrial and wood coatings Low-basicity stabilizer compatible with acid-catalyzed coating systems Weathering protection of PU, PVC, ABS/ASA, PS and TPE/SBS articles
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Esters
HALS-770 Hindered Amine Light Stabilizer (Bis(2,2,6,6-tetramethyl-4-piperidinyl) Sebacate)
CAS 52829-07-9
Broad-spectrum UV/light stabilization of polyolefins, styrenics, EVA and engineering plastics by nitroxyl radical scavenging Low-molecular-weight HALS giving high mobility and surface protection in coatings and thin sections Weathering and gloss retention in PU, ABS, SAN/ASA and TPE/TPU systems
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Specialty Additives
Hexahydro-1,3,5-tris(2-hydroxyethyl)triazine (MEA-Triazine, H2S Scavenger)
CAS 4719-04-4
An oilfield-grade triazine for sour-gas H2S scavenging and in-can preservation of industrial fluids. It is used as a hydrogen sulfide (H2S) scavenger in oil and gas production and as a formaldehyde-releasing preservative in metalworking fluids, adhesives, lubricants, and aqueous slurries.
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Glycols & Polyols
Hexylene Glycol (2-Methyl-2,4-pentanediol, HG)
CAS 107-41-5
A coupling solvent that thins formulations and carries actives across coatings, fluids, and personal care. It functions as a solvent-plasticizer in paints and lacquers and as an additive in hydraulic fluids, inks, leather, paper, and textiles.
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Mineral Fillers & Pigments
Hydrotalcite (Synthetic Magnesium Aluminum Hydroxycarbonate)
CAS 11097-59-9
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Specialty Additives
Hydroxytyrosol
CAS 10597-60-1
An olive-derived catechol phenolic supplied to cosmetic and food formulators as a high-potency antioxidant ingredient. Its catechol structure makes it a radical-scavenging antioxidant used as an ingredient in cosmetic and food formulations.
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Acids & Salts
Imidazolidinyl Urea
CAS 39236-46-9
A water-soluble, formaldehyde-releasing antimicrobial preservative for cosmetic and personal-care systems. Per CIR and Industry references record it functions as an antimicrobial preservative in cosmetics and personal-care products.
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Specialty Additives
Kojic Acid
CAS 501-30-4
A naturally fermented pyranone valued for tyrosinase inhibition and as a building block for maltol-class flavor chemistry. It is used as a food additive to inhibit enzymatic browning, as a chemical intermediate in the manufacture of the flavor compounds maltol and ethyl maltol, and as…
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Amines & Amides
L-Carnosine (Carnosine)
CAS 305-84-0
An imidazole-bearing beta-alanyl-histidine dipeptide offered for antioxidant-ingredient and supplement use. It is supplied as an ingredient for dietary supplement and cosmetic formulations.
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Amines & Amides
L-Cysteine (Cysteine)
CAS 52-90-4
A thiol-functional amino acid prized as a reducing agent across baking, flavor, and personal-care chemistry. It is used as a reducing agent and dough conditioner in baking, as a flavoring agent and nutritional supplement in food, and as a substrate in biochemical research.
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Acids & Salts
L-Cysteine Hydrochloride
CAS 52-89-1
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Amines & Amides
L-Cysteine Hydrochloride Anhydrous (L-Cysteine HCl)
CAS 56-89-3
The soluble hydrochloride salt of L-cysteine for baking, flavor, and reduction-driven processing. It is used as a reducing agent and dough conditioner in baking, as a flavoring agent and nutritional supplement, and as a reducing/hair-conditioning ingredient in cosmetics.
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Amines & Amides
L-Cysteine Hydrochloride Monohydrate (L-Cysteine HCl Monohydrate)
CAS 7048-04-6
A free-flowing monohydrate salt of L-cysteine for food, flavor, and personal-care manufacturing. It is used as a reducing agent and dough conditioner in baking, as a flavoring agent and nutritional supplement, and as a reducing/hair-conditioning ingredient in cosmetics.
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Amines & Amides
L-Methionine (Methionine)
CAS 63-68-3
A sulfur-bearing essential amino acid supplied at feed scale, with food, supplement, and chelation uses. Its principal application is as a feed additive for animal nutrition; it is also used as a nutritional supplement and food flavoring ingredient and as a chelating agent for metals.
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Acids & Salts
Lactic Acid
CAS 50-21-5
A versatile hydroxy acid spanning food acidulation, biopolymer feedstock, and industrial processing. It is used as an acidulant and pH regulator, as a solvent in the production of foods, drugs, and dyes, and as the monomer for polylactic acid (PLA).
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Acids & Salts
Lauraminopropionic Acid
CAS 1462-54-0
An amphoteric amino-acid surfactant offering mild, pH-flexible surface activity. As an amphoteric surface-active agent, materials of this class are used as mild co-surfactants in personal-care and cleaning formulations.
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Natural Extracts & Oils
Lutein (Marigold Extract, Tagetes Erecta)
CAS 84776-23-8
A marigold-derived xanthophyll concentrate that deposits natural yellow color in feed, food, and formulations. It is used as a natural yellow-orange colorant, as a xanthophyll pigmenting additive in poultry and egg-yolk feed, and as a nutrient/supplement ingredient.
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Natural Extracts & Oils
Lutein (Xanthophyll)
CAS 127-40-2
A carotenoid colorant and nutrient supplied at a standardized 5% lutein assay. It serves as a natural yellow colorant and food additive and as a xanthophyll pigmenting and nutrient ingredient for feed, food, and supplement formulations.
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Specialty Additives
Lycopene (Tomato Extract)
CAS 502-65-8
A carotenoid red colorant concentrated from tomato and supplied at a standardized lycopene assay. It is used as a natural red colorant in food and as a cosmetic colorant and antioxidant ingredient.
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Acids & Salts
Magnesium Ascorbate (Magnesium L-Ascorbate)
CAS 15431-40-0
A pH-buffered, non-acidic vitamin C salt for supplement, food, and skin-care formulations. It is used as a non-acidic vitamin C source and antioxidant ingredient in dietary-supplement, food, and cosmetic formulations.
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