fatty acid

Fatty acid refers to the molecule with a carboxyl group of aliphatic organic acids. In the mineral processing industry, the department of flotation use the hydroxide collector. The general formula is R-COOH, and the R group is a linear or branched akyl, alkenyl or cycloalkyl group. According to the length of carbon chain, properties varies, in addition to use as the collector, but also as a foaming agent, inhibitors and dispersants.

Natural animal and vegetable fats and oils are the main source of fatty acids. The fatty is decomposed into fatty acids or fatty acid soap(sodium soap or potassium soap) after hydrolysis or saponification, the soap generates fatty acids through acidification. Alkaline washing with some crude oil fraction, sodium naphthenate soap, by-product, can be obtained , and then naphthenic acid can be obtained from soap acidification.   Mixed fatty acids or pure single fatty acids can be obtained from deeply oxidizing and separating refined  kerosene, paraffin and other hydrocarbons.

According to the length of carbon chain, fatty acids customarily divided into two kinds: lower fatty acids and higher fatty acids. The number of carbon atoms in the molecule of less than ten is a lower fatty acid, and the number of carbon atoms of ten or more is a higher fatty acid. Fatty acids containing unsaturated bonds in the carbon chain(such as double bond) is called unsaturated fatty acids, while do not containing unsaturated bonds are called saturated fatty acids. Natural unsaturated fatty acids mainly includes oleic acid, linoleic acid, linolenic acid and ricinoleic acid. Natural saturated fatty acids mainly includes stearic acid, palmitic acid, cinnamic acid, lauric acid, capric acid, caprylic acid and caproic acid and the like. Higher fatty acids have higher foam stability than lower fatty acids. For example, the sodium salt of oleic acid, linoleic acid and stearic acid can form a stable foam. And the concentration of the medicament in the foam layer is higher than that in the pulp. When the concentration of different solutions of pharmaceutical agents achieves a certain value, the solution significantly formed micelles. When a single molecule or ion began to accumulate into the orderly arrangement of the molecular weight, the drug concentration is called the "critical micelle concentration."This concentration has a close relationship with the role of flotation, for example, the adsorption of sodium oleate by magnetite increased with the concentration of the agent increased, and the buoyancy also increased. However, when the concentration of the drug increased to near the critical micelle concentration, the floatability decreased significantly, even to zero.

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Structure Chemical Name CAS MF
Dehydroacetic acid Dehydroacetic acid 520-45-6 C8H8O4
4-Biphenylacetic acid 4-Biphenylacetic acid 5728-52-9 C14H12O2
Cyclohexanecarboxylic acid Cyclohexanecarboxylic acid 98-89-5 C7H12O2
Acetylenedicarboxylic acid Acetylenedicarboxylic acid 142-45-0 C4H2O4
2-Hydroxyisobutyric acid 2-Hydroxyisobutyric acid 594-61-6 C4H8O3
Creatine monohydrate Creatine monohydrate 6020-87-7 C4H11N3O3
2-Bromo-2-methylpropionic acid 2-Bromo-2-methylpropionic acid 2052-01-9 C4H7BrO2
2,2-Dimethylbutyric acid 2,2-Dimethylbutyric acid 595-37-9 C6H12O2
4-Bromobutyric acid 4-Bromobutyric acid 2623-87-2 C4H7BrO2
1-Adamantaneacetic acid 1-Adamantaneacetic acid 4942-47-6 C12H18O2
Myristic acid Myristic acid 544-63-8 C14H28O2
Tranexamic acid Tranexamic acid 1197-18-8 C8H15NO2
L(+)-Lactic acid L(+)-Lactic acid 79-33-4 C3H6O3
2-Ketoglutaric acid 2-Ketoglutaric acid 328-50-7 C5H6O5
Chlorodifluoroacetic acid Chlorodifluoroacetic acid 76-04-0 C2HClF2O2
3,3-Dimethylbutyric acid 3,3-Dimethylbutyric acid 1070-83-3 C6H12O2
DL-Phenylsuccinic acid DL-Phenylsuccinic acid 635-51-8 C10H10O4
1,4-Phenylenediacetic acid 1,4-Phenylenediacetic acid 7325-46-4 C10H10O4
1,3-Acetonedicarboxylic acid 1,3-Acetonedicarboxylic acid 542-05-2 C5H6O5
3-(4-Hydroxyphenyl)propionic acid 3-(4-Hydroxyphenyl)propionic acid 501-97-3 C9H10O3
2,2-Bis(hydroxymethyl)propionic acid 2,2-Bis(hydroxymethyl)propionic acid 4767-03-7 C5H10O4
2-Methylnicotinic acid 2-Methylnicotinic acid 3222-56-8 C7H7NO2
2,4-Dichlorophenylacetic acid 2,4-Dichlorophenylacetic acid 19719-28-9 C8H6Cl2O2
2-Bromopropionic acid 2-Bromopropionic acid 598-72-1 C3H5BrO2
1,1-Cyclobutanedicarboxylic acid 1,1-Cyclobutanedicarboxylic acid 5445-51-2 C6H8O4
2,6-Dichlorophenylacetic acid 2,6-Dichlorophenylacetic acid 6575-24-2 C8H6Cl2O2
Difluoroacetic acid Difluoroacetic acid 381-73-7 C2H2F2O2
Suberic acid Suberic acid 505-48-6 C8H14O4
4-Bromocinnamic acid 4-Bromocinnamic acid 1200-07-3 C9H7BrO2
1-Adamantanecarboxylic acid 1-Adamantanecarboxylic acid 828-51-3 C11H16O2
3,4-Dichlorophenylacetic acid 3,4-Dichlorophenylacetic acid 5807-30-7 C8H6Cl2O2
(S)-(-)-2-Chloropropionic acid (S)-(-)-2-Chloropropionic acid 29617-66-1 C3H5ClO2
Levulinic acid Levulinic acid 123-76-2 C5H8O3
3,4-Dimethoxyhydrocinnamic acid 3,4-Dimethoxyhydrocinnamic acid 2107-70-2 C11H14O4
DL-Mandelic acid DL-Mandelic acid 90-64-2 C8H8O3
Pimelic acid Pimelic acid 111-16-0 C7H12O4
Methanesulfonic acid Methanesulfonic acid 75-75-2 CH4O3S
2-Iodophenylacetic acid 2-Iodophenylacetic acid 18698-96-9 C8H7IO2
4,4-Difluorocyclohexanecarboxylic acid 4,4-Difluorocyclohexanecarboxylic acid 122665-97-8 C7H10F2O2
2-Hydroxyphenylacetic acid 2-Hydroxyphenylacetic acid 614-75-5 C8H8O3
2,2-Dimethylsuccinic acid 2,2-Dimethylsuccinic acid 597-43-3 C6H10O4
4-(4-Methoxyphenyl)butyric acid 4-(4-Methoxyphenyl)butyric acid 4521-28-2 C11H14O3
4-Methoxyphenylacetic acid 4-Methoxyphenylacetic acid 104-01-8 C9H10O3
α-Lipoic Acid α-Lipoic Acid 1077-28-7 C8H14O2S2
DL-Tartaric acid DL-Tartaric acid 133-37-9 C4H6O6
Ellagic acid Ellagic acid 476-66-4 C14H6O8
6-Bromohexanoic acid 6-Bromohexanoic acid 4224-70-8 C6H11BrO2
3,3-Dimethylacrylic acid 3,3-Dimethylacrylic acid 541-47-9 C5H8O2
3,4,5-Trimethoxyphenylacetic acid 3,4,5-Trimethoxyphenylacetic acid 951-82-6 C11H14O5
Ethyl 2-oxocyclohexanecarboxylate Ethyl 2-oxocyclohexanecarboxylate 1655-07-8 C9H14O3
5-Bromovaleric acid 5-Bromovaleric acid 2067-33-6 C5H9BrO2
1,1-Cyclohexanediacetic acid 1,1-Cyclohexanediacetic acid 4355-11-7 C10H16O4
Malic acid Malic acid 6915-15-7 C4H6O5
2,3-Dibromopropionic acid 2,3-Dibromopropionic acid 600-05-5 C3H4Br2O2
2,2-Dimethylglutaric acid 2,2-Dimethylglutaric acid 681-57-2 C7H12O4
Allylacetic acid Allylacetic acid 591-80-0 C5H8O2
(R)-(+)-2-Chloropropionic acid (R)-(+)-2-Chloropropionic acid 7474-05-7 C3H5ClO2
3,3-Dimethylglutaric acid 3,3-Dimethylglutaric acid 4839-46-7 C7H12O4
Mercaptoacetic acid Mercaptoacetic acid 68-11-1 C2H4O2S
3-Hydroxy-1-AdaMantane Carboxylic Acid 3-Hydroxy-1-AdaMantane Carboxylic Acid 42711-75-1 C11H16O3
Trifluoromethanesulfonic acid Trifluoromethanesulfonic acid 1493-13-6 CHF3O3S
3-Cyclopentene-1-carboxylic acid 3-Cyclopentene-1-carboxylic acid 7686-77-3 C6H8O2
Trithiocyanuric acid Trithiocyanuric acid 638-16-4 C3H3N3S3
2-Benzylacrylic acid 2-Benzylacrylic acid 5669-19-2 C10H10O2
DL-2-Bromohexanoic acid DL-2-Bromohexanoic acid 616-05-7 C6H11BrO2
Cyclohexylacetic acid Cyclohexylacetic acid 5292-21-7 C8H14O2
2-Bromobutyric acid 2-Bromobutyric acid 80-58-0 C4H7BrO2
cis-Vaccenic acid cis-Vaccenic acid 506-17-2 C18H34O2
Methoxyacetic acid Methoxyacetic acid 625-45-6 C3H6O3
(S)-(+)-Mandelic acid (S)-(+)-Mandelic acid 17199-29-0 C8H8O3
Bromoacetic acid Bromoacetic acid 79-08-3 C2 H3 Br O2
Ethoxyacetic acid Ethoxyacetic acid 627-03-2 C4H8O3
Cyclopentanecarboxylic acid Cyclopentanecarboxylic acid 3400-45-1 C6H10O2
Glutaric acid Glutaric acid 110-94-1 C5H8O4
Dodecanedioic acid Dodecanedioic acid 693-23-2 C12H22O4
3-Hydroxypivalic acid 3-Hydroxypivalic acid 4835-90-9 C5H10O3
Propiolic Acid Propiolic Acid 471-25-0 C3H2O2
4,4,4-Trifluorobutyric acid 4,4,4-Trifluorobutyric acid 406-93-9 C4H5F3O2
Itaconic anhydride Itaconic anhydride 2170-03-8 C5H4O3
Cyclopropylacetic acid Cyclopropylacetic acid 5239-82-7 C5H8O2
Cyclopropanecarboxylic acid Cyclopropanecarboxylic acid 1759-53-1 C4H6O2
Arachidic Acid Arachidic Acid 506-30-9 C20H40O2
5-Norbornene-2-carboxylic acid 5-Norbornene-2-carboxylic acid 120-74-1 C8H10O2
2-Phenylbutyric acid 2-Phenylbutyric acid 90-27-7 C10H12O2
N-Methyliminodiacetic acid N-Methyliminodiacetic acid 4408-64-4 C5H9NO4
1,4-Cyclohexanedicarboxylic acid 1,4-Cyclohexanedicarboxylic acid 1076-97-7 C8H12O4
Nitrilotriacetic acid Nitrilotriacetic acid 139-13-9 C6H9NO6
Mucobromic acid Mucobromic acid 488-11-9 C4H2Br2O3
3-Methylphenylacetic acid 3-Methylphenylacetic acid 621-36-3 C9H10O2
2-(3-Chlorophenoxy)-propionic acid 2-(3-Chlorophenoxy)-propionic acid 101-10-0 C9H9ClO3
Glyoxylic acid Glyoxylic acid 298-12-4 C2H2O3
Glycolic acid Glycolic acid 79-14-1 C2H4O3
1,1-Cyclopropanedicarboxylic acid 1,1-Cyclopropanedicarboxylic acid 598-10-7 C5H6O4
Citraconic anhydride Citraconic anhydride 616-02-4 C5H4O3
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