PETROLATUM

CAS: 8009-03-8 LUBRICANT OR RELEASE AGENT, MASTICATORY SUBSTANCE, SOLVENT OR VEHICLE, SURFACE-ACTIVE AGENT

PETROLATUM, also known as petroleum jelly, is a semi-solid mixture of hydrocarbons used for its lubricant and release agent properties in food processing contexts under regulated conditions.

What It Is

PETROLATUM, identified by CAS number 8009-03-8, is a semi-solid mixture of saturated hydrocarbons primarily derived from petroleum. It is known by common food-industry related names including petrolatum, petroleum jelly, soft paraffin, and amber soft paraffin. In regulatory contexts for food, it functions technically as a lubricant or release agent, as well as a surface-active agent that contributes to specific processing roles where limited direct contact with food occurs. Its structure and composition make it chemically inert compared to many traditional food additives, and it is recognized in U.S. regulations as a permissible food additive when meeting specified purity criteria and used under defined conditions of good manufacturing practice in food production. PETROLATUM’s utility arises from its physical properties rather than nutritive value. PETROLATUM is not assigned an E number within the European Union food additive framework, and it does not serve as a nutritive component of foods. Its inclusion in food additive regulations reflects historically documented technological roles such as aiding the release of baked goods from contact surfaces. In regulatory listings such as the U.S. Code of Federal Regulations, PETROLATUM appears in provisions that describe the conditions under which it may be used in or on foods or food contact surfaces, including specifications of acceptable absorbance and purity. These regulatory frameworks reflect long-standing recognition of PETROLATUM’s inert physical behavior in food manufacturing contexts and emphasize controlled use rather than a dietary function. Because PETROLATUM’s presence in food is due to its functional application rather than nutritional contribution, it is typically referenced in ingredient inventories and regulatory lists rather than as a common food ingredient. As a hydrocarbon substance, it is chemically distinct from carbohydrates, fats, proteins, and other nutritional macromolecules, and its role in food technology is defined by external application and processing efficacy rather than by contribution to the composition of the finished food product.

How It Is Made

PETROLATUM is produced from petroleum-based raw feedstocks through refining processes designed to yield a semi-solid mixture of saturated hydrocarbons. The refining steps often include physical separation and purification to remove unwanted polar and aromatic compounds, which can affect safety and performance in food and other applications. One common approach involves hydrogenation under controlled conditions, which saturates unsaturated hydrocarbons and reduces the concentration of potential impurities. Another typical step uses adsorbent materials such as clay, activated carbon, or other media to lower the content of aromatic components that might impart undesired color or chemical behavior. After refining, the resultant petrolatum is assessed against pharmacopoeial and regulatory specifications, including criteria for consistency, color, ultraviolet absorbance, and impurity levels. In the United States, PETROLATUM must meet criteria such as those set forth in the United States Pharmacopeia or the National Formulary for food-grade petrolatum, and ultraviolet absorbance limits are specified in regulatory provisions that apply to both direct food additive applications and indirect food contact uses. These specifications are intended to ensure a consistent product quality that limits potentially harmful components, particularly polycyclic aromatic hydrocarbons that can be present at trace levels in petroleum-derived materials. Industrial refining techniques may vary among manufacturers, but the overarching goal in producing PETROLATUM suitable for food contact uses is to adhere to established analytical limits and compositional criteria. Because PETROLATUM is derived from a complex petroleum matrix, the refining and purification approach can significantly influence the product’s physical properties and regulatory compliance. The finished PETROLATUM intended for food-related use must therefore satisfy both purity and performance standards dictated by regulatory authorities, balancing functional utility with minimization of potential contaminants.

Why It Is Used In Food

PETROLATUM is used in food-related applications primarily for its physical and functional properties rather than any contribution to nutrition or flavor. In food processing and manufacturing, substances that act as lubricants or release agents can facilitate the handling of products, improve efficiency, and reduce mechanical damage during operations such as baking or coating application. For example, PETROLATUM can assist in releasing baked goods from pans and molds, which helps maintain product appearance and consistency without contributing chemical reactivity that would alter the food itself. In the U.S. regulatory context, permitted uses of PETROLATUM are specified for bakery products, confectionery items, dehydrated fruits and vegetables, egg white solids, and as protective coatings on raw fruits and vegetables when applied in accordance with good manufacturing practice. The regulatory provisions include explicit conditions and maximum usage rates, which reflect recognition that PETROLATUM’s role is technical and limited by carefully controlled application. Such prescribed conditions help ensure that PETROLATUM fulfills its intended function without introducing unintended residues or altering the organoleptic properties of foods. PETROLATUM’s inertness and stability under typical food processing conditions also contribute to its selection for these roles. Its non-reactive nature means it does not readily engage in chemical reactions with food components under controlled usage, and its high boiling point and stability across a range of temperatures allow it to maintain functional behavior during operations such as baking or dehydration. As with other processing aids and technical agents, the benefit of using PETROLATUM is tied to manufacturing efficiency and product consistency rather than to direct consumer exposure or nutrition.

Adi Example Calculation

Because PETROLATUM does not have a numeric acceptable daily intake established by regulatory bodies such as JECFA or EFSA, a numerical example calculation is not provided. Instead, regulatory approaches emphasize adherence to specified usage conditions and purity standards that minimize exposure to potential contaminants. Under these frameworks, food manufacturers apply PETROLATUM in controlled amounts consistent with good manufacturing practice, meaning that residual levels in finished products are expected to be low. The concept of ADI applies differently for substances like PETROLATUM than for typical food additives with broad dietary exposure profiles.

Safety And Health Research

Regulatory evaluations of PETROLATUM focus on ensuring that primary concerns related to its use as a processing aid or in contact with food are addressed through compositional and purity criteria. Because PETROLATUM is a petroleum-derived hydrocarbon mixture, regulators emphasize control of potential impurities such as polycyclic aromatic hydrocarbons, which can be present at trace levels in crude petroleum fractions. By establishing absorbance and purity specifications in regulatory texts, authorities aim to limit human exposure to such compounds through controlled processing applications rather than nutritional exposure. Toxicological data specific to orally consumed PETROLATUM in typical food processing exposures are limited, and regulatory frameworks do not assign a traditional acceptable daily intake as they do for nutritive or more widely ingested additives. Instead, the focus of safety assessment is on compositional characteristics, manufacturing controls, and usage conditions that ensure PETROLATUM’s inert physical presence does not result in unexpected chemical interactions or introduction of harmful substances at levels of regulatory concern. Scientific research on related petroleum-derived hydrocarbons has explored endpoints such as chronic toxicity, carcinogenic potential of contaminants, and dermal effects in non-food contexts. Because PETROLATUM’s intended use in foods is limited and controlled, such findings inform regulatory approaches to refining and specification setting rather than direct exposure risk assessments in the manner typical for food nutrients or flavouring agents. Regulatory reliance on pharmacopoeial and analytical criteria acknowledges the importance of controlling composition and impurities to protect consumers while leveraging established industry testing methods.

Regulatory Status Worldwide

In the United States, PETROLATUM is addressed in multiple sections of the Code of Federal Regulations related to food additives and food contact substances. Title 21 CFR 172.880 specifically permits PETROLATUM to be safely used in food under defined conditions and purity criteria, including compliance with specified ultraviolet absorbance limits and United States Pharmacopeia or National Formulary standards for petrolatum. The regulation also outlines permitted uses such as release agent and lubricant in bakery products, sealing and polishing in confectionery, and other defined roles, with maximum limits for specified applications. 172.880 thus serves as the primary regulatory reference for PETROLATUM’s direct food additive role in the U.S. federal framework. {{}}{{}} PETROLATUM also appears in other U.S. CFR provisions related to indirect food additive and contact uses, including provisions that describe conditions for food contact substances used in packaging, processing equipment, and production materials. For example, indirect food contact regulations list petrolatum in sections that allow its use under defined conditions of good manufacturing practice. These provisions together reflect recognition by the U.S. Food and Drug Administration that PETROLATUM may be integrated into food processing systems and contact materials when applied appropriately. Internationally, PETROLATUM has been evaluated by the Joint FAO/WHO Expert Committee on Food Additives (JECFA), which documented its functional class as antifoaming agent, glazing agent, lubricant, and release agent and assigned it an INS number of "905b" with an indication that no acceptable daily intake was allocated in the evaluations available. This reflects that PETROLATUM’s use and exposure are considered in the context of its inert nature and defined technological roles rather than as a traditional nutrient-based additive. Regulatory frameworks in other regions, such as the European Union, rely on risk assessments and authorization lists for food additives, but PETROLATUM does not have an established E number, indicating that specific domestic or regional evaluations would apply to its permitted status where relevant.

Taste And Functional Properties

PETROLATUM is essentially tasteless and odorless in its refined form, traits that align with its classification as a processing aid rather than a flavoring agent. Its semi-solid, lipophilic physical form means that it does not dissolve in water and remains physically separate from hydrophilic food components. This lack of solubility in aqueous environments limits any potential impact on flavor or texture when used under controlled conditions, and its sensory profile does not contribute taste or aroma to treated food surfaces. Functionally, PETROLATUM exhibits properties typical of long-chain hydrocarbon matrices, including a high degree of chemical inertness and thermal stability. These properties make it useful in roles where a non-reactive physical barrier or lubricant is needed without the risk of significant thermal degradation under normal processing temperatures. PETROLATUM’s high melting point and resistance to oxidation under typical food processing conditions contribute to its reliability as a release agent and surface-active substance in defined uses. While PETROLATUM’s physical properties are advantageous in processing contexts, they also mean that it is not intended to integrate into the nutritional matrix of food. Because it does not dissolve into food components and remains physically separate, any residual PETROLATUM on food surfaces after processing is expected to be minimal when applied according to regulatory conditions and good manufacturing practice. This profile aligns with regulatory frameworks that distinguish between processing aids and additives that are intentionally added for functional effects within the final food product.

Acceptable Daily Intake Explained

An acceptable daily intake (ADI) is a regulatory concept used to describe an estimate of the amount of a substance that can be consumed daily over a lifetime without appreciable health risk, based on scientific evidence and safety factors. For PETROLATUM, regulatory evaluations by bodies such as the Joint FAO/WHO Expert Committee on Food Additives (JECFA) have not allocated a numeric ADI, reflecting that its controlled use and minimal expected exposure under specified conditions do not fit the traditional framework used for food nutrients or widely consumed additives. Instead, PETROLATUM’s safety considerations center on purity specifications and technical application limits specified in regulations rather than on a quantitative daily intake threshold. In practice, good manufacturing practice requires that PETROLATUM be applied only to the extent necessary to achieve the intended technical effect and that residual amounts in food products are minimized. This approach aligns with the purpose of ensuring consumer safety without imposing an ADI when regulatory evaluations do not indicate a need for one based on available evidence and usage patterns. The absence of a numeric ADI does not imply unrestricted use; rather, it reflects the unique context in which PETROLATUM is employed and the emphasis on compositional control over broad dietary exposure assessments.

Comparison With Similar Additives

PETROLATUM can be contrasted with other processing aids and surface-active substances used in food technology. For example, vegetable-based lecithin functions as an emulsifier that stabilizes oil-water mixtures and is commonly used in products such as chocolates, baked goods, and dressings; unlike PETROLATUM, lecithin has defined nutritional properties and is typically incorporated within the food matrix itself rather than acting primarily at interfaces during processing. Another comparison is with silicon dioxide, which may be used as an anti-caking agent to prevent clumping in powdered products; silicon dioxide acts at particulate interfaces and is ingested with the food, whereas PETROLATUM’s role is focused on release and lubrication with minimal intended ingestion. Similarly, polydimethylsiloxane is used as an antifoaming agent in food processing, particularly in frying oils and beverage production. Like PETROLATUM, polydimethylsiloxane is chemically inert under conditions of use, but it has specific food-grade approvals and usage parameters distinct from the regulatory allowances that apply to PETROLATUM. These comparisons illustrate that food-related processing aids vary widely in chemical nature, functional role, and regulatory treatment, with PETROLATUM’s status shaped by its inert hydrocarbon character and defined use conditions rather than by broad dietary integration.

Common Food Applications Narrative

PETROLATUM’s presence in food manufacturing is tied to specific technological roles rather than culinary contribution. As a non-nutritive, inert hydrocarbon-based substance, it is employed in the food industry primarily as a release agent and lubricant under regulated conditions. In bakery operations, for example, PETROLATUM can be applied to ensure that dough and baked goods separate cleanly from pans or molds, helping maintain the appearance of products and minimizing damage during demolding. Its physical behavior in this context supports smoother processing and consistent output without affecting flavor or texture. Confectionery manufacturing also uses PETROLATUM in controlled applications, such as sealing and polishing confectionery surfaces to enhance appearance and handling properties. Similarly, in dehydrated fruit and vegetable processing, PETROLATUM can act as a release agent, aiding in the separation of dehydrated pieces from drying trays or conveyors. The inert nature of PETROLATUM under these conditions means its function is mechanical and surface-oriented, consistent with regulatory provisions that limit its amount and define usage criteria. Other food-related uses subject to regulatory conditions include application on raw fruits and vegetables as a protective coating and use in egg white solid preparations and beet sugar or yeast processing as a defoaming agent. In each case, PETROLATUM’s role is technical, implemented to improve processing efficiency or product appearance. Regulatory guidelines emphasize good manufacturing practice, meaning that PETROLATUM is used only to the extent necessary to achieve the intended effect and within specified limits that minimize residual amounts in the finished food. Manufacturers seeking to apply PETROLATUM in these ways rely on clearly defined conditions of use to ensure regulatory compliance and consistent product quality.

Safety & Regulations

FDA

  • Approved: True
  • Regulation: 21 CFR 172.880

EFSA

  • Notes: No EFSA additive assessment link found for petrolatum.

JECFA

  • Notes: JECFA evaluation did not allocate an ADI.
  • Ins Number: 905b

Sources

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