Ca1043 stearic acid safety data sheet chemical associates. Acme hardesty chemicals msds of stearic acid disclaimer the information presented here is believed to be accurate and pertains only to the product when stored in a sealed. Decarboxylation and decarbonylation of stearic acid download. Msds sections changed since last revision of document include. Wear self contained breathing apparatus and protective clothing to prevent contact with skin and eyes. Hydrothermal decarboxylation of fatty acids and their derivatives for.
Pyrolytic decarboxylation and cracking of stearic acid. Stearic acid is triple pressed, kosher and food grade, the fatty acids from vegetable source is an excellent thickener and emulsion stabilizer for lotions and creams where stearic acid also improves the silkiness and glide of emulsions. Both are saturated fatty acids but stearic acid c 18 has more molecular weight than palmitic acid c 16 hence more melting point. Continuous low pressure decarboxylation of fatty acids to. Alkyl ketene dimers akds are a family of organic compounds based on the 4membered ring. A c 18 straightchain saturated fatty acid component of many animal and vegetable lipids. Stearic acid and its derivatives have been used as gelators in food and pharmaceutical gel formulations. How to prepare the solution of palmitic acid or stearic acid. In a pyrolytic study of decarboxylation and cracking of stearic acid, maher et al. Stearoyl ethanolamide sc205515 hazard alert code key. Our stearic acid is from vegetable origins palm and is manufactured and designed to blend well with your cosmetic recipes.
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Wear selfcontained breathing apparatus and protective clothing to prevent contact with skin and eyes. Distillation of natural fatty acids and their chemical derivatives. Decarboxylation is simply the removal of co 2 from a fatty acid chain, normally with the assistance of a catalyst. Pirojshanagar, eastern express highway, vikhroli, mumbai 400 079.
Stearic acid is most commonly used in the manufacture of soap, detergent, shampoo, shaving cream and other cosmetic products. Fatty acids, tallow, hydrogenated, stearic acid fraction. In this situation it is mostly used to form a stable base, which helps to bind and thicken the products. Ca1030 triple pressed stearic acid safety data sheet.
Heterogeneous catalytic deoxygenation of stearic acid for. In ketonic decarboxylation carboxylic acids are converted to ketones. This material, like most materials in powder form is capable of creating a dust explosion. This nutrineat writeup provides more information on the uses and side effects of stearic. The primary objective of this work was to study the pyrolytic conversion of mono unsaturated fatty acids to hydrocarbon products for use as renewable chemicals and fuels. The information in stearic acid msds was obtained from current and reliable sources. Pyrolysis of lard was performed to produce a diesellike liquid and a high heating. As well as in the diet, it is used in hardening soaps, softening plastics and in making co smetics, candles and plastics. Catalytic upgrading of biomass fast pyrolysis vapors with pdsba15 catalysts. Stearic acid, 90% safety data sheet according to federal register vol. Itsfound in many saturated oils like palmand coconut. It is widely used in personal care products such as soaps, creams, lotions. Stearic acid is a c 18 fatty acid and palmitic acid is c 16 fatty acid. In contrast, the colonyforming ability of rat fibroblasts was not inhibited and that of human foetal lung fibroblasts was inhibited at a higher dose than that required to inhibit human tumour cell lines.
The hazard fields include special hazard alerts air and water reactions, fire hazards, health hazards, a reactivity profile, and details about reactive groups assignments and potentially incompatible absorbents. Stearic acid conversion in supercritical water with and without additives. Stearic acid msds,stearic acid materials safety data sheet. Co being produced via decarbonylation or thermal cracking of the fatty acids. In addition, there are small players involved in the manufacturing of stearic acid spread across various geographies. Stearic acid is a white, waxy, natural acid found in animal and vegetable fats. Continuous hydrothermal decarboxylation of fatty acids and their. These small pastilles are ideal as an emulsifying agent in creams, lotions, deodorants, and most natural body care recipes. Stearic acid is a naturallyocurring saturatedfatty acid used as an emulsifier and emollient. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. A surfactant is a compound that helps reduce waters surface tension, allowing it to mix with oils and dirt on the surface of your skin.
List of chemicals reported for the 2012 chemical data. Why stearic acid has more melting point than oleic acid. Stearic acid emulsifying thickener with softening effect. Stearic acid noctadecanoic acid was chosen as a model compound for the free fatty acids liberated through the hydrolysis of beef tallow. The information in cameo chemicals comes from a variety of data sources. Oleic acid cis9octadecenoic acid was selected as a model mono unsaturated compound. Stearic acid diethanolamide chemical information, properties, structures, articles, patents and more chemical data. Bdo is a mixture of simple aldehydes, alcohols, and acids. Keeping that in mind, we investigated the role of stearic acid on physicchemical properties of oleogel. If ingested, seek medical advice immediately and show the container or.
This combination often results in considerable decarboxylation and polymerization with. The product itself and its products of degradation are not toxic. Extreme high moderate low section 1 chemical product and company identification product name stearoyl ethanolamide statement of hazardous nature considered a hazardous substance according to osha 29 cfr 1910. Depending on the reaction media and type of catalyst used 15, 16, 17, decarboxylation can potentially produce in situ hydrogen, although the mechanism is unclear. Stearic acid, also called octadecanoic acid, one of the most common longchain fatty acids, found in combined form in natural animal and vegetable fats. This ketene is generated by pyrolysis of stearoyl chloride. It has also been used as an emulsifying agent in intravenous infusions. Stearic acid market global industry analysis, size and.
Only select registry of toxic effects of chemical substances rtecs data is presented here. Stearic acid is a saturated monobasic acid with 18 carbonchain lengths. Primary functions of stearic acid in cell culture systems. Stearic acid ethoxylates are generally used as emulsifiers in oilinwater type creams and lotions. Stearic acid is a saturated fatty acid with an 18carbon chain widely used as lubricants, softening and release agents in food production. This indicates that the moal2o3 catalyst led to some cracking of. It is a waxy solid and its chemical formula is c 17 h 35 co 2 h. Stearic acid also makes an effective additive to improve the stiffness in stick products, soy candles, and the like. Reeves iii animal and natural resources institute, beltsville agricultural research center, ars, usda, beltsville, md 20705, united states. Likewise, the pd nanoparticles dispersed over the zeolitic support favored the conversion of light olefins formed by endchain cracking reactions into gasoline. Pyrolytic decarboxylation and cracking of stearic acid industrial. Commercial stearic acid is a mixture of approximately equal amounts of stearic and palmitic acids and small amounts of oleic acid. Its created by treating oil with water at high temperatures, going through the hydrogenation process. Catalytic deoxygenation of fatty acids and their derivatives.
As a lubricant, stearic acid can be used in a wide variety of industries including. The salts and esters of stearic acid are called stearates. J prasetyo, adiarso, s d s murti, s p senda, s m rfdh, y e prada, e oktariani. It is employed in the manufacture of candles, cosmetics.
Stearic acid revision 1 revision date 08042015 h315 causes skin irritation. Production of hydrocarbons by catalytic cracking of stearic acid. Batch pyrolysis of stearic acid was conducted over a range of temperatures. Magnesium stearate, which is a salt that contains magnesium and stearic acid, is used as a flow agent in supplements. Pdf continuous hydrothermal decarboxylation of fatty acids and. Stearic acid stearic acid functions as an anionic oilinwater emulsifier. Distillation of natural fatty acids and their chemical. The primary objective of this work was to study the pyrolytic conversion of fatty acids to produce deoxygenated, liquid hydrocarbon products for use as renewable chemicals or fuels. However, the data is provided without any warranty, expressed or. Fatty acids are esterified to a glycerol backbone to form a group of compounds known as mono, di and tri glycerides neutral fats. It is synthesized by the hydrolysis of animal fat or from hydrogenation of cottonseed or vegetable oil. Molecular weight increases with number of carbons and hence chain length of the fatty acid. Pdf pyrolytic decarboxylation and cracking of stearic.
See actual entry in rtecs for complete information. The decarboxylation of unsaturated fatty acids leads to hydrogenated products. Rimpex rubber supplies stearic acid with grade 1800, 1802, 1840, 1850. It also has a high melting temperature, which means it wont run when left on the body for. Solubility of stearic acid in various organic solvents and. Stearic acid inhibited the colonyforming ability of 4 out of 5 rat and two human tumour continuous cell lines in vitro. Stearic acid investigated as a mutagen, natural product, primary irritant, and tumorigen. However, the mechanism pertaining to the stearic acid based gelation has not been deciphered yet. Brief information on the uses and side effects of stearic acid. The model compound stearic acid is deoxygenated to heptadecane, originating from th. Their hydrophilicity or lipophilicity depends on the number of ethylene oxide units present. Identification of the substance or mixture and the company or undertaking.
Chemistry and physics of lipids 142 2006 2332 stearic acid solubility and cubic phase volume walter f. Canada whmis classifications of substances d2a revision number. Cracking of the allylic c c bond is preferred due to lower bond dissociation energy as a result of the double bond compare to the c c bond adjacent to the carboxyl group. Studies suggest that stearic acid suppresses immune cells called t cells. Myristic acid investigated as a mutagen, natural product, and primary irritant. Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Catalytic cracking of stearic acid ffa was carried out at atmospheric pressure to obtain short chain hydrocarbons for petrochemical. We would like to show you a description here but the site wont allow us. Commercial stearic acid is a mixture of stearic acid with palmitic and myristic acid. Undecylenic acid is produced by cracking of castor oil under pressure. As a surfactant, stearic acid is a powerful cleanser source. Controlled products regulations and the msds contains all the information required by the controlled products regulations. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. While decarboxylation was the first step in saturated fatty acid pyrolysis, during the pyrolysis of oleic acid both deoxygenation and cracking of the allylic c c bonds occur simultaneously.
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