What is the best solvent for dissolving stearic acid?
The solubility of stearic acid in ethyl acetate was found to be the highest, followed by ethanol, acetone and methanol.
What is the solubility of stearic acid?
Stearic acid
| Names | |
|---|---|
| Solubility | Soluble in alkyl acetates, alcohols, HCOOCH3, phenyls, CS2, CCl4 |
| Solubility in dichloromethane | 3.58 g/100 g (25 °C) 8.85 g/100 g (30 °C) 18.3 g/100 g (35 °C) |
| Solubility in hexane | 0.5 g/100 g (20 °C) 4.3 g/100 g (30 °C) 19 g/100 g (40 °C) 79.2 g/100 g (50 °C) 303 g/100 g (60 °C) |
What part of stearic acid is most likely to dissolve in water?
The tail is basically an alkane, and so readily dissolves in fat, oil and grease, but not in water. Thus the tail is said to be hydrophobic (water-hating). The head-group however is polar, and so easily dissolves in water (hydrophilic – water-loving) and will not dissolve in oil or grease.
Why does stearic acid dissolve in ethanol?
Ethanol has stronger hydrogen bonding characteristic than acetone13. Thus, stearic acid will be more favorable to dissolve in ethanol rather than in acetone. The stearic acid solubility data obtained by different researchers were compared in Fig 2.
What is another name for oleic acid?
Octadecenoic acid
Oleic acid
| Names | |
|---|---|
| Other names Oleic acid (9Z)-Octadecenoic acid (Z)-Octadec-9-enoic acid cis-9-Octadecenoic acid cis-Δ9-Octadecenoic acid 18:1 cis-9 | |
| Identifiers | |
| CAS Number | 112-80-1 |
| 3D model (JSmol) | Interactive image |
Is stearic acid soluble in oil?
Stearic Acid is a waxy, colorless or white solid that exudes a mild odor. It is soluble in oil but only slightly dissolves in water, thus it floats. Stearic Acid is a long-chain fatty acid that, due to its 18-carbon chain, is also referred to as Octadecanoic Acid.
Is stearic acid nonpolar?
Consider stearic acid, a type of lipid known as a fatty acid. It has an 18 C atom chain with a carboxylic acid group (RCO2H) at one end. The carboxyl end (shown in red) containing the two oxygens is polar, but the rest of the molecule is completely nonpolar.
Does stearic acid dissolves in water?
Stearic acid is a saturated fatty acid that can deposit on the surface in special conditions. This acid is insoluble in water and soluble in ethanol.
Is stearic acid soluble in ethanol?
Is oleic acid soluble in ethanol?
Solubility : Soluble in ethanol (>25 mg/ml), ether, acetone, chloroform, DMF (100 mg/ml), DMSO (100 mg/ml), and PBS (pH 7.2) (<100 µg/ml). Melting Point : 13-14° C (lit.)
Is oleic acid water soluble?
Oleic acid
| Names | |
|---|---|
| Melting point | 13 to 14 °C (55 to 57 °F; 286 to 287 K) |
| Boiling point | 360 °C (680 °F; 633 K) |
| Solubility in water | Insoluble |
| Solubility in Ethanol | Soluble |
Is oleic acid soluble?
What is the solubility of stearic acid in water?
Appearance: white or almost white, waxy, flakycrystals, white or almost white hard masses, or white oryellowish-white powder. Solubility: practically insoluble in water, soluble in ethanol (96 per cent) and in light petroleum (50-70 °C).
Which is the glycerol ester of stearic acid?
Glycerol monostearate, commonly known as GMS, is the glycerol ester of stearic acid . It is commonly used as an emulsifier in foods. InChI=1S/C21H42O4/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-21 (24)25-19-20 (23)18-22/h20,22-23H,2-19H2,1H3
What are the disadvantages of using stearic acid?
Disadvantages of stearic acid–melamine repellents include problems similar to durable press finishes (a tendency to exhibit finish mark-off, decreased fabric tear strength and abrasion resistance, changes in shade of dyed fabric, and release of formaldehyde). 6.2. Stearic acid–melamine derivative.
Where is stearic acid produced in the world?
Stearic acid (octadecanoic acid) is a saturated fatty acid derived from animal and vegetable fats and oils. In Malaysia, it is mainly produced by the oleochemical (palm oil) industry and it has been the primary fatty acid commodity for many years 1. Stearic acid is used in the manufacture of pharmaceutical products.