A 86
Octadecylamine
CAS: 124-30-1
Molecular Formula: C18H39N
A 86 - Names and Identifiers
| Name | Octadecylamine |
| Synonyms | A18 A 86 Stearylamine Octadecylamin Octadecylamine Octadecanamine 1-Octadecylamine octadecan-1-amine 1-Aminooctadecane Octadecylaminetech 1-Octadedecylamine stearylamine approx. |
| CAS | 124-30-1 |
| EINECS | 204-695-3 |
| InChI | 1S/C18H39N/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h2-19H2,1H3 |
| InChIKey | REYJJPSVUYRZGE-UHFFFAOYSA-N |
A 86 - Physico-chemical Properties
| Molecular Formula | C18H39N |
| Molar Mass | 269.51 |
| Density | 0.862 |
| Melting Point | 50-60℃ |
| Boling Point | 232 °C32 mm Hg(lit.) |
| Flash Point | 300 °F |
| Water Solubility | practically insoluble |
| Vapor Presure | 10 mm Hg ( 72 °C) |
| Appearance | Form Prills, color White |
| pKa | 10.6(at 25℃) |
| Storage Condition | Store below +30°C. |
| Refractive Index | 1.4522 |
| MDL | MFCD00008159 |
| Physical and Chemical Properties | White waxy solid crystals, with alkaline. |
| Use | For the production of color photo coupler, used as resin, emulsifier, fungicide, surfactant raw materials and Textile Auxiliaries |
A 86 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R38 - Irritating to the skin R41 - Risk of serious damage to eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | 3259 |
| WGK Germany | 2 |
| RTECS | RG4150000 |
| TSCA | Yes |
| HS Code | 29211980 |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 2395 mg/kg |
A 86 - Upstream Downstream Industry
A 86 - Reference
| Reference Show more | 1. Li Xu, Wang Ziru, Yang Li, et al. Bionic Preparation and Properties of Rice Bran-based Magnetic High Oil Absorption Materials [J]. Materials Guide, 2018, 032(002):219-222. 2. Hu Yanqiu, Yu Lian, Hu Junhua, et al. Preparation of Lung Targeted Pirfenidone Liposomes and Study on Drug Release Properties in Vitro [J]. Heilongjiang Medical Science, 2012, 35(3):28-30. 3. Wang Lifeng, Ding Miaomiao, He Xin, Wang Yan, Liu Changxiao. Comparison of skin retention of glycyrrhizin and cubic liquid crystal nanoparticles and observation of anti-photoaging effect of guinea pig skin [J]. Drug Evaluation Study, 2020,43(10):1944-1950. 4. [IF = 2.262] Wenjun Liu et al."Determent of oil-soluble surfactants on aggregation of model asphaltene compound and synergistic effect of their mixtures on foaming property." JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY. 2022 Apr 11 5. [IF = 5.89] Yuanyuan Jin et al."Preparation and Evaluation of Liposomes and Niosomes Containing Total Ginsenosides for Anti-Photoaging Therapy" Frontiers in Bioengineering and Biotechnology. 2022; 10: 874827 |
A 86 - Introduction
Sensitive to carbon dioxide. Soluble in chloroform, soluble in ethanol, ether and benzene, slightly soluble in acetone, insoluble in water.
Last Update：2022-10-16 17:12:56
A 86 - Safety
Open Data Verified Data
corrosive. It is irritating to the skin, eyes and mucous membranes. Long-term exposure to high concentrations can cause severe burns to the skin and eyes. Staff should be protected. Storage and transportation should avoid direct contact with acid gas or acid, do not be exposed to direct sunlight.
Last Update：2022-01-01 09:29:59
A 86 - Uses and synthesis methods
Stearamine
Stearyl amine, also known as decahetamine and 1-aminodecaoctane, is an aliphatic amine compound produced in large quantities in industry. It is white crystal at room temperature and has a 269.52 molecular weight. Melting point 52.8612. Boiling point 23212(4.2 7千帕). Flash point 149 ℃. Relative density 0.8618. 1.4522 refractive index. Slightly soluble in acetone, kerosene and methanol, soluble in carbon tetrachloride, chloroform, ethanol, isopropanol and toluene, soluble in alcohol, ether, benzene, insoluble in water. Alkaline. Can form adducts with hydrochloric acid. The toxicity is lower than that of lower-grade amines. Rats take 500 × 10-6 stearamine orally for two consecutive years without obvious adverse consequences. It is irritating to human skin and mucous membranes. Used as an intermediate in organic synthesis, used in the production of decadane quaternary ammonium salts and various additives. For example, cationic grease thickeners, mineral flotation agents, synthetic resins, pesticides and asphalt emulsifiers, fabric antistatic agents, wetting agents, waterproofing agents, surfactants, fungicides, color-forming agents for color photos, and corrosion inhibitors for oil refining units. Stearic acid reacts with ammonia to form octadecylonitrile, which is then catalyzed and hydrogenated under pressure to further reduce enamine.
Raw material for preparing softener D3
The scientific name of softener D3 is N-Decylethyl aminopropionate, which is an amphoteric surfactant. Common commodities are white or light yellow pulp with 20%± 1% solid content and pH value of 2% aqueous solution 7.0~8.0. It can be dissolved in warm water at 50~60 ℃. This product is non-toxic and non-corrosive. It is mainly used as an additive in the finishing of real silk fabrics. It can also be used as a soft finishing agent for fabrics such as silk, wool, and chemical fibers. Finishing can make the fabric feel soft, smooth, plump, shiny and fat, and can give the fabric elasticity and improve bending, and can withstand high temperature drying at 180 ℃. It is made by condensation of octaamine and methyl acrylate at 80°C, and then saponification with triethanolamine and Pingga O.
Raw material for preparing levelling dye DC
The chemical name of the leveling agent DC is Decyldimethyl benzyl ammonium chloride. Light yellow thick viscous liquid at room temperature, soluble in water, 0.1% aqueous solution pH 5.2~5.5, resistant to hard water, inorganic salts and acids, but not alkali. This product is cationic, has strong affinity for acrylic fiber, and has good levelness for cationic dye dyeing. It is mainly used as a cationic dye for dyeing various acrylic fibers and gives a good hand feeling. Generally, the dosage is 2% ~ 3% (fabric weight) in light color and 0.8% ~ 1.5% in dark color.
This product can also be used as a soft finishing agent for acetate fiber, and can also be used as a disinfectant. It is made by octaamine through methylation reaction and then reaction with benzyl chloride.
Use
Used as an intermediate in organic synthesis, used in the production of decaoctane quaternary salts and various additives, such as thickeners for cationic greases, beneficiation agents, pesticide and asphalt emulsifiers, fabric antistatic agents, Softeners, wetting agents and waterproofing agents, surfactants, fungicides, color film finders, corrosion inhibitors for oil refining units. Octayldiethanolamine [10213-78-2] can be obtained by reacting octayldiethanolamine with ethylene oxide in a molar ratio of 1:2 and reacting at 150-190 ℃ in a yield of nearly 80%. Decyldiethanolamine is a non-ionic antistatic agent, which can be used in polypropylene, polystyrene, ABS resin.
Organic synthesis. Corrosion inhibitor. Emulsifier. Fungicide.
Production method
It is obtained by ammoniation and hydrogenation of stearic acid. Stearic acid and ammonia are continuously and quantitatively fed into the liquid phase reaction tower, and ammoniated at 350 ℃ to generate decadane nitrile. After washing and refining, it is added into an autoclave and hydrogenated under the action of nickel catalyst at 130 ℃ and a pressure of about 3.5MPa to generate octaamine. The hydrogenation product is precipitated to remove the catalyst to obtain the finished product. In laboratory preparation, decadane nitrile and absolute ethanol are boiled and refluxed, and sodium metal is reacted. The reaction mixture is poured into dilute hydrochloric acid, cooled to obtain octaamine hydrochloride, and then treated with 20% sodium hydroxide solution to obtain octaamine. 85% yield. Raw material consumption quota: stearic acid 1165kg/t, liquid ammonia 151kg/t, hydrogen 211 m3, nickel catalyst 6kg/t.
Last Update：2024-04-10 22:29:15
A 86 - Security information
| toxic substance data | 124-30-1(Hazardous Substances Data) |
Last Update：2024-04-10 22:29:15
A 86 - Nature
| freezing point | 53.1℃ |
| BRN | 636111 |
| NIST chemical information | 1-Octadecanamine(124-30-1) |
| EPA chemical information | Stearamine (124-30-1) |
Last Update：2024-04-09 20:52:54
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View History
Raw Materials for A 86
Downstream Products for A 86
Potassium sulfate
N,N-Dimethyloctadecylamine
softening agent HC
polyesters containing quarternary ammonium groups
Antistatic agent SN
softener DMD
Octadecyl isocyanate
dimethyl disixdecyloctadecyl ammonium chlorid
N,N-Dimethyloctadecylamine
softening agent HC
polyesters containing quarternary ammonium groups
Antistatic agent SN
softener DMD
Octadecyl isocyanate
dimethyl disixdecyloctadecyl ammonium chlorid