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CAS NO.112-80-1
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| cis-9-Octadecenoic acid Basic information |
| Product Name: | cis-9-Octadecenoic acid |
| Synonyms: | ALDEHYDE C1;METHYL ALDEHYDE;METHANONE;FORMALDEHYDE DEVELOPING SOLUTION;FORMALIN, CARSONS;FORMALIN, NEUTRAL;FORMALIN NEUTRAL BUFFER;FORMALDEHYDE SOLUTION |
| CAS: | 112-80-1 |
| MF: | C18H34O2 |
| MW: | 282.46 |
| EINECS: | 200-001-8 |
| Product Categories: | Fatty & Aliphatic Acids, Esters, Alcohols & Derivatives;Unsaturated Fatty Acids 13C & 2H;Fatty Acids 13C & 2H;Antioxidant;Biochemistry;Higher Fatty Acids & Higher Alcohols;Unsaturated Higher Fatty Acids;Plant extract;Lipids and Related Products;Monounsaturated;Bioactive Small Molecules;Biochemicals and Reagents;Building Blocks;C13 to C42+;Carbonyl Compounds;Carboxylic Acids;Cell Biology;Chemical Synthesis;Core Bioreagents;Fatty Acids and conjugates;Fatty Acyls;Functional Foods;Lipids;Monoenoic fatty acids;Nutrition Research;O;Organic Building Blocks;Others;Research Essentials;Unsaturated Fatty Acids and Derivatives |
| Mol File: | 112-80-1.mol |
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| cis-9-Octadecenoic acid Chemical Properties |
| mp | 13-14 °C(lit.) |
| bp | 360 °C |
| density | 1.09 g/mL at 25 °C(lit.) |
| vapor density | 1.03 (vs air) |
| vapor pressure | 52 mm Hg ( 37 °C) |
| FEMA | 2815 |
| refractive index |
n |
| Fp | 133 °F |
| storage temp. | 2-8°C |
| Water Solubility | negligible |
| Sensitive | Air Sensitive |
| Merck | 14,6828 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents, aluminium. |
| CAS DataBase Reference | 112-80-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 9-Octadecenoic acid (Z)-(112-80-1) |
| EPA Substance Registry System | 9-Octadecenoic acid (9Z)-(112-80-1) |
| Safety Information |
| Hazard Codes | T,Xi |
| Risk Statements | 23/24/25-34-40-43-36/37/38-38 |
| Safety Statements | 36/37-37/39-26-36-36/37/39 |
| RIDADR | UN 1198 3/PG 3 |
| WGK Germany | 2 |
| RTECS | LP8925000 |
| F | 10 |
| Hazardous Substances Data | 112-80-1(Hazardous Substances Data) |
| cis-9-Octadecenoic acid Usage And Synthesis |
| Chemical Properties | colourless to light yellow viscous liquid |
| Usage | Oleic acid is a monounsaturated omega-9 fatty acid. Oleic Acid is obtained by the hydrolysis of various animal and vegetable fats and oils. Oleic Acid is used as an emulsifying or solubilizing agent i n aerosol products. |
| General Description | Colorless to pale yellow liquid with a mild odor. Floats on water. |
| Air & Water Reactions | Keep cis-9-Octadecenoic acid well closed; protect cis-9-Octadecenoic acid from air and light. . May form peroxides upon exposure to air. This is taken to account for an explosion that occurred, by the mixing of the acid with aluminum, [J. Chem. Educ., 1956, 36, 308]. Water Insoluble. |
| Reactivity Profile | cis-9-Octadecenoic acid is a carboxylic acid. Carboxylic acids donate hydrogen ions if a base is present to accept them. They react in this way with all bases, both organic (for example, the amines) and inorganic. Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. Neutralization between an acid and a base produces water plus a salt. Carboxylic acids with six or fewer carbon atoms are freely or moderately soluble in water; those with more than six carbons are slightly soluble in water. Soluble carboxylic acid dissociate to an extent in water to yield hydrogen ions. The pH of solutions of carboxylic acids is therefore less than 7.0. Many insoluble carboxylic acids react rapidly with aqueous solutions containing a chemical base and dissolve as the neutralization generates a soluble salt. Carboxylic acids in aqueous solution and liquid or molten carboxylic acids can react with active metals to form gaseous hydrogen and a metal salt. Such reactions occur in principle for solid carboxylic acids as well, but are slow if the solid acid remains dry. Even "insoluble" carboxylic acids may absorb enough water from the air and dissolve sufficiently in cis-9-Octadecenoic acid to corrode or dissolve iron, steel, and aluminum parts and containers. Carboxylic acids, like other acids, react with cyanide salts to generate gaseous hydrogen cyanide. The reaction is slower for dry, solid carboxylic acids. Insoluble carboxylic acids react with solutions of cyanides to cause the release of gaseous hydrogen cyanide. Flammable and/or toxic gases and heat are generated by the reaction of carboxylic acids with diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides. Carboxylic acids, especially in aqueous solution, also react with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), to generate flammable and/or toxic gases and heat. Their reaction with carbonates and bicarbonates generates a harmless gas (carbon dioxide) but still heat. Like other organic compounds, carboxylic acids can be oxidized by strong oxidizing agents and reduced by strong reducing agents. These reactions generate heat. A wide variety of products is possible. Like other acids, carboxylic acids may initiate polymerization reactions; like other acids, they often catalyze (increase the rate of) chemical reactions. |
| Health Hazard | Industrial use of compound involves no known hazards. Ingestion causes mild irritation of mouth and stomach. Contact with eyes or skin causes mild irritation. |
| Fire Hazard | cis-9-Octadecenoic acid is combustible. |