It is also used as a household and industrial disinfectant. For this reason, some items on this page will be unavailable. Phenol formaldehyde resins (PF) or phenolic resins are synthetic polymers obtained by the reaction of phenol or substituted phenol with formaldehyde. All Rights Reserved. The phenolic resins contain basically p - t -amylphenol, p - t -butylphenol, p -nonylphenol, mixed cresols, and also used cashew nutshell liquid (Fig. EPOXY PHENOL NOVOLAC RESIN (CAS: 28064-14-4) Toxic Dose 1 - LD 50 >2000 mg/kg (oral rat) SECTION 12: ECOLOGICAL INFORMATION Ecotoxicity Dangerous for the environment if discharged into watercourses. Solid novolac resin; Liquid novolac resin; Solid resol resin; Liquid resol resin; Oil & Gas 1 Resins for cement additives. Symptoms of systemic poisoning often involve an initial, transient CNS stimulation, followed rapidly by CNS depression. Phenolic resin is a heat-cured plastic formed from a reaction of a carbon-based alcohol and a chemical called aldehyde. The primary use of phenol is in the production of phenolic resins, which are used in the plywood, construction, automotive, and appliance industries. Phenolic resin produces a relatively low amount of smoke at a relatively low level of toxicity. Author information: (1)Department of Medicine A, Assaf Harofeh Medical Center, Tel-Aviv University, Zerifin, Israel. Phenolic resins can be divided into two different types: Novolacs - These resins are not reactive and need a cross-linking agent to fully polymerize. … Carbon monoxide appears to be the major toxicant produced by the combustion of phenolics. Phenolic adhesive resins are used on honeycomb panels. Used as the basis for Bakelite, PFs were the first commercial synthetic resins (plastics). PHENOLIC RESIN 1. 1. Phenol can catch fire. Succinctly characterizes the toxicologic and adverse health effects information for a hazardous substance. Prioritization of substances based on a combination of their frequency, toxicity, and potential for human exposure at National Priorities List (NPL) sites. toxicity of combustion products of the phenolics obtained using various test methods, to provide information on the chemical species produced during thermal degradation, and to broaden our base of knowledge of the combustion product toxicity of phenolics. Amino and phenolic resins contain formaldehyde, which is highly toxic by inhalation, highly toxic by eye contact and ingestion, and moderately toxic by skin contact. (Pressed-wood products include plywood, paneling, particleboard, and fiberboard and are not the same as pressure-treated wood products, which contain chemical preservatives and are intended for outdoor use.) 12.1. Phenolic resins (Phenoplasts) are synthetic thermosetting resins invented by Dr. Leo Baekeland in 1907. Phenolic resin meets the FAA requirement for low smoke and low toxicity, so in short, it is not toxic. Phenol and its derivatives (phenols, or phenolic compounds) are moderately water-soluble pollutants, common to the wastewaters of various industries, including oil & gas, paint manufacturing, phenolic resin production, paper and pulp factories, and pharmaceutical industries. The information in this MRL serves as a screening tool to help public health professionals decide where to look more closely to evaluate possible risk of adverse health effects from human exposure. Partial hydrogenation of phenol gives cyclohexanone, a precursor to nylon. Phenolic compounds exist in water bodies due to the discharge of polluted wastewater from industrial, agricultural and domestic activities into water bodies. Resoles - These resins are self-curing due t… Formaldehyde was measured both in the breathing zones of the workers and at stationary sampling sites. OBJECTIVE: Respiratory and dermal exposure to phenol-formaldehyde resin-glue components used in plywood manufacturing were assessed. A 38-year-old previously healthy worker accidentally spilled phenol-formaldehyde resin over a large area of his skin. Sign in to download full-size image 5 . Acute resin phenol-formaldehyde intoxication. Phenolic resins demonstrate higher char yields than other plastic materials when exposed to temperatures . 2 Resins for adhesives. Phenolic resin meets the FAA requirement for low smoke and low While toxic to consume on its own, it’s available in tiny doses in many household products like mouthwash and spray cleaners. How long will the footprints on the moon last? 1. Under the trade name Bakelite, a phenol-formaldehyde resin was one of the earliest plastics, invented by American industrial chemist Leo Baekeland and patented in 1909. What does contingent mean in real estate? Phenol-formaldehyde resins are inexpensive, heat-resistant, and waterproof, though somewhat… Individual Protection Measures, Such as Personal Protective Equipment Phenol was used as a marker agent for dermal exposure due to its near-nonvolatility … These compounds are known to be toxic and inflict both severe and long‐lasting effects on both humans and animals. It is also used in slimicides (chemicals that kill bacteria and fungi in slimes), as a disinfectant and antiseptic, and in medicinal preparations such as mouthwash and sore throat lozenges. Copyright © 2020 Multiply Media, LLC. Ecological Information Possible Environmental Effects, Behavior and Fate NA 13. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. toxicity, so in short, it is not toxic. Phenol has a distinct odor that is sickeningly sweet and tarry. Phenol evaporates more slowly than water, and a moderate amount can form a solution with water. Overview. 2. Phenol is a type of organic compound. Fact sheet that answers the most frequently asked questions about a contaminant and its health effects. It is a colorless-to-white solid when pure. Phenol can catch fire. A life threatening occupational hazard. Phenolic resins have highly characterized in term of high mechanical strength, low toxicity, good heat resistance, and low smoke formation property. What are the release dates for The Wonder Pets - 2006 Save the Ladybug? The reaction of formaldehyde with phenol can lead to either a resole or a novolak type of phenolic resin. Summary: Phenol is both a manufactured chemical and a natural substance. Disposal Considerations Recommended Methods … Phenolic Systems for Military and Defense Composites. Formaldehyde is a common raw material for this type of resin, but others related chemicals can be used. They have been widely used for the production of molded products including billiard balls, laboratory countertops, and as coatings and adhesives. Phenol (CAS 108-95-2) is a commonly used raw material for manufacture of a range of organic products including phenolic resins, salicylic acid, pentachlorophenol, bisphenol-A (for polycarbonates and epoxy resins), aniline, alkyl phenols and cyclohexanol (for nylon and other fibres). They were at one time the primary material used for the production of circuit boards but have been largely replaced with epoxy resins The commercial product is a liquid. 1. They also occur as a result of natural phenomena. Phenolic resin produces a relatively low amount of smoke at a relatively low level of toxicity. Products focus. Toxicity Acute Toxicity - Fish LC50 96 hours 5.7 mg/l Leuciscus idus (Golden orfe) Acute Toxicity - Aquatic Invertebrates EC50 48 hours 3.5 mg/l Daphnia magna 12.2. Low Smoke and Toxicity . Phenolic resin has low toxicity. (1982). Burning phenolic resin typically generates hydrogen, hydrocarbons, water vapor, and carbon dioxide. Note: Javascript is disabled or is not supported by your browser. Superior FST properties (Fire Smoke & Toxicity) of phenolic resins are used to produce prepreg composites for aerospace interiors. Ani-line had been incorporated into both resoles and novolaks but this practice has been generally discontinued because of the toxicity of aromatic amines. Formaldehyde is an irritant and strong sensitizer, and is a probable human carcinogen. METHODS: Formaldehyde and phenol were monitored in the workplace air. phenolic resins that have specific properties, especially coatings applications. What is a sample Christmas party welcome address? The MRL is an estimate of the daily human exposure to a hazardous substance that is likely to be without appreciable risk of adverse, non-cancer health effects over a specified duration of exposure. These products emit less formaldehyde because they contain phenol resins, not urea resins. 2. The material is often called Bakelite. (1) Phenol is also used in the production of caprolactam and bisphenol A, which are intermediates in the manufacture of nylon and epoxy resins, respectively. Sensory irritation as indicated by reduced respiratory rate may be due to formaldehyde production; however, sensory irritation is lower than that produced by wood. As one of polymer materials, phenolic resin features good heat resistance, flame retardancy and electric insulation and takes an important part in many industries. 6.23). It is also used in slimicides (chemicals that kill bacteria and fungi in slimes), as a disinfectant and antiseptic, and in medicinal preparations such as mouthwash and sore throat lozenges. Burning phenolic resin typically generates hydrogen, hydrocarbons, water vapor, and carbon dioxide. Who is the longest reigning WWE Champion of all time? Phenolic resin is a traditional synthetic polymer material with a long history of one century. Summary about a hazardous substance taken from Chapter One of its respective ATSDR Toxicological Profile. Phenolic resin is a highly crosslinked thermosetting material that is produced by poly-condensation of phenol and formaldehyde. You can taste and smell phenol at levels lower than those that are associated with harmful effects. Phenolic resins account for a large portion of phenol production. Phenolic resins are a group of the most versatile polymers yet invented. 5.High Carbon and Char Yield Phenolic resins demonstrate higher char yields than other plastic materials when exposed to temperatures What are some samples of opening remarks for a Christmas party? Phenol is used primarily in the production of phenolic resins and in the manufacture of nylon and other synthetic fibers. Phenolic compounds exist in water bodies due to the discharge of polluted wastewater from industrial, agricultural and domestic activities into water bodies. Condensation with acetone gives bisphenol-A, a key precursor to polycarbonates and epoxide resins. Phenol is used primarily in the production of phenolic resins and in the manufacture of nylon and other synthetic fibers. Quick reference guide providing information such as chemical and physical properties, sources of exposure, routes of exposure, minimal risk levels, children's health, and health effects for a substance. Phenolic compounds are used in low concentrations in disinfectants, and are also present in many alcoholic … 13 Adhesive is one of the main applications of phenolic resin, the main application field being wood adhesives. When did organ music become associated with baseball? phenolic resin: the mole ratio of phenol to formaldehyde, reaction time, temperature, water content, and residual phenol content. The typical unifilled phenolic resin properties are given in Table 6.12. Publication intended to aid emergency department physicians and other emergency healthcare professionals who manage acute exposures resulting from chemical incidents. Cohen N(1), Modai D, Khahil A, Golik A. High Carbon and Char Yield . Condensation of phenol, alkylphenols, or diphenols with formaldehyde gives phenolic resins, a famous example of which is Bakelite. NAME: CAS: SYSNONYMS: Phenol, 2-((4-hydroxyphenyl)sulfonyl)-5397-34-2 * O,P-Dihydroxydiphenyl sulfone * 2,4'-Dihydroxydiphenyl sulfone * 4,2'-Dihydroxydiphenyl sulfone Panels and armor for military vehicles, ships and boats as well as personal protective equipment such as helmets and bulletproof jackets require the utmost strength with properties such as fire resistance and superior flame, smoke and toxicity … How many candles are on a Hanukkah menorah? Acute toxicity Oral rat LD50: > 316ppm (phenol) Local effects No information available Sensitization NA Chronic Toxicity or Long Term Toxicity NA Specific effects NA 12. Brode, G.L. Phenolic resin may be used to make exterior plywood. Why don't libraries smell like bookstores? It depends on the type of catalyst used and the P:F ratio. Although they came into existence at the very start of the age of polymers, they continued to be developed into more and more applications. Please contact NTP, IARC, or EPA’s IRIS Hotline with questions on cancer and cancer classification. The resin is hard, heat resistant, and can be mixed with a wide range of materials for industrial and residential uses. For more information about this message, please visit this page: Agency for Toxic Substances & Disease Registry, Health Effects of Exposure to Substances and Carcinogens, Community Environmental Health Education Presentations, Case Studies in Environmental Medicine (CSEM), Toxicology Curriculum for Communities Trainer's Manual, Compendium of Papers on MRLs and Health Effects, Agency for Toxic Substances and Disease Registry. Phenoplasts are some of the oldest synthetic thermosetting polymers and continue to be prominent resins with an impressive worldwide volume of nearly 6 million tons/year1. 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