ISOSTEARIC ACID
isostearic acid
CAS: 2724-58-5;30399-84-9
Molecular Formula: C18H36O2
ISOSTEARIC ACID - Names and Identifiers
| Name | isostearic acid |
| Synonyms | isostearic isostearic acid ISOSTEARIC ACID ISOOCTADECANOIC ACID Isooctadecanoic acid 16-methyl-heptadecanoicaci 16-methylheptadecanoic acid 16-METHYLHEPTADECANOIC ACID ISOSTEARIC ACID MIXED ISOMERS Heptadedecanoicacid,16-Methyl Heptadecanoic acid, 16-methyl- |
| CAS | 2724-58-5 30399-84-9 |
| EINECS | 220-336-3 |
| InChI | InChI=1/C18H36O2/c1-17(2)15-13-11-9-7-5-3-4-6-8-10-12-14-16-18(19)20/h17H,3-16H2,1-2H3,(H,19,20) |
ISOSTEARIC ACID - Physico-chemical Properties
| Molecular Formula | C18H36O2 |
| Molar Mass | 284.48 |
| Density | 0.89g/mLat 25°C(lit.) |
| Melting Point | 67.8-68.5 °C |
| Boling Point | 369.53°C (estimate) |
| Flash Point | 225.6°C |
| Vapor Presure | 1.52E-07mmHg at 25°C |
| Appearance | Liquid |
| pKa | 4.78±0.10(Predicted) |
| Storage Condition | 2-8°C |
| Stability | Stable. Combustible. Incompatible with bases, strong oxidizing agents. |
| Refractive Index | 1.4440 (estimate) |
| Use | Used as raw materials for cosmetics, high-grade lubricating oil additives, various esters of raw materials |
ISOSTEARIC ACID - Risk and Safety
| WGK Germany | 3 |
| RTECS | MI3875000 |
ISOSTEARIC ACID - Reference Information
| fatty acid mixture | isostearic acid is a general term for a class of C18 saturated branched fatty acid mixture. Widely exists in nature. The wax substances attached to many waterbird feathers are composed of fatty acids and fatty alcohols with methyl branched chains. Some plants also have a certain amount of isostearic acid in their seeds. Isostearic acid not only has the characteristics of linear unsaturated fatty acids, but also has the characteristics of saturated fatty acids. It is liquid at room temperature and has good antioxidant properties. Therefore, isostearic acid is an important chemical intermediate with good commercial value. It is widely used in lubricating base oil, metal cleaning agent, paint, cosmetics and other fields. |
| Color (Gardner) | 1 to 3 |
| Density (mgKOH/G) | 180 to 195 |
| Relative density (@ d20/20) | 0.881 |
| Sticky (C.P.S, @ 25°C) | 35 to 60 |
| Saponification value | 190 to 200 |
| Iodine value (gI2/100g) | 15 max |
| Cloud point (°C) | 10 max |
| acute toxicity | oral LD50 (rat) 64mL/kg |
| Use | Used as raw materials for cosmetics and esters, its derivatives isostearic acid and isostearic acid isopropyl ester have better performance than meat bean acid isopropyl ester as fiber softener, used in polyurethane elastic fibers, its alkali metal and its ammonium salt are effective softeners and humectants for advanced lubricating oil additives, preparing engine and gear lubricants and greases, such as jet and turbine engine lubricants, lubricants and greases for automatic transmission and braking devices and other industries, such as tape, food, medicine, plastics and coatings, etc. |
Last Update：2024-04-09 19:05:11
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