Shaanxi BLOOM Tech Co., Ltd. is one of the most experienced manufacturers and suppliers of methyl palmitate cas 112-39-0 in China. Welcome to wholesale bulk high quality methyl palmitate cas 112-39-0 for sale here from our factory. Good service and reasonable price are available.
Methyl palmitate is a chemical with the chemical formula of c17h34o2. It is a white solid, insoluble in water, easily soluble in alcohol, acetone, chloroform and benzene, soluble in ether and insoluble in water. It is a acaricidal compound in green walnut shell, which can inhibit phagocytic activity and immune response. It also has anti-inflammatory and anti fibrosis effects. Avoid contact with strong oxides during storage. Store in a cool and dry place. Ensure that the workshop is well ventilated. Keep away from ignition sources. Storage temperature: 2~8 º C. It has good stability and exists in flue-cured tobacco, burley tobacco and oriental tobacco. It is the raw material of surfactants and other fine chemical products. It is an excellent intermediate for manufacturing emulsifiers, wetting agents, stabilizers, rust inhibitors and plasticizers. It can also be used as biological pheromones, biodiesel, cosmetic raw materials and plant acaricides.
|
Chemical Formula |
C17H34O2 |
|
Exact Mass |
270 |
|
Molecular Weight |
270 |
|
m/z |
270 (100.0%), 271 (18.4%), 272 (1.6%) |
|
Elemental Analysis |
C, 75.50; H, 12.67; O, 11.83 |
|
|
|
Melting point 32-35 ° C (lit.), Boiling point 185 ° c/10 mmHg (lit.), Density 0.852 g/ml at 25 ° C (lit.), Refractive index n20/d 1.4512 (lit.), Flash point >230 ° f, Storage condition 2-8 ° C, Liquid or low melting solid, Color clear colorless, Specific gravity 0.852, Water solubility, BRN 1780973
Methyl palmitate is a substance commonly found in nature, with a high content, and is the main component of various edible trees, vegetables, medicinal plants, ornamental plants, and wild plants. In addition, it is also present in some animal fat substances, such as the fat oil of crickets. The widespread existence provides a rich raw material foundation for its diverse applications.
Chemical industry field
It is a raw material for surfactants and other fine chemical products. Due to its specific chemical properties, it can play an important role in the production process of chemical products.
Biological field
Bioinformatics: It is one of the components of bioinformatics. In nature, many organisms transmit information by releasing specific chemicals called pheromones. As one of them, it participates in the process of information transmission between organisms.
Biodiesel: It is also an important component of biodiesel. Biodiesel is a renewable and clean energy source, mainly derived from vegetable oil, animal fat, and waste oil. As one of the main components of these raw materials, it plays an important role in the production process of biodiesel. Through specific chemical reactions, it can be converted into biodiesel, providing a new and sustainable energy option for the energy sector.
Food and cosmetics industry
Food additives: can be used as additives in the food and cosmetics industry. It can stabilize fat and oil products by slowing down the self oxidation process of unsaturated fatty acids, thereby extending the shelf life of food and cosmetics. For example, in foods such as edible oil, margarine, and pastries, it can be used as an antioxidant to prevent food from spoiling due to oxidation.
Cosmetic ingredients: In cosmetics, they can be used as emulsifiers to help the oil and water components in cosmetics mix better together and form stable emulsions. In addition, it can also be used as a moisturizer, softener, and other ingredients to improve the user experience of cosmetics.
In the field of agriculture
Preparation of plant acaricides: can be used to prepare plant acaricides. Plant acaricides are chemical agents used to prevent and control the harm of mites on plants. As one of the effective ingredients, it can kill or inhibit the growth and reproduction of mites through specific mechanisms of action, thereby protecting the healthy growth of plants.
Prevention and control of crop diseases and pests: In addition to preparing plant acaricides, they can also be used to prevent and control other crop diseases and pests. For example, studies have shown that it has a certain control effect on southern root knot nematodes. By preparing methyl palmitate into a certain concentration of ethanol solution and applying it to soil, the infection and damage of southern root knot nematodes to crops can be effectively suppressed. This discovery provides new ideas for its application in the agricultural field.
Construction field
It can also be used for the preparation of energy-saving phase change materials in buildings. Phase change materials are substances that can absorb and release heat, and undergo phase change reactions within a specific temperature range. By mixing and proportioning it with other phase change materials such as methyl stearate, phase change materials with specific phase change temperatures and latent heat can be prepared. These phase change materials can be applied in building envelope structures to regulate indoor temperature and improve the energy-saving performance of buildings by absorbing and releasing heat.
For example, directly mixing methyl palmitte/methyl stearate phase change materials into building materials to make phase change wall panels can reduce the amplitude of indoor temperature fluctuations and improve the thermal comfort of indoor environments; At the same time, it can also improve the insulation capacity of the building envelope, reduce the indoor heat load of the building, and thus reduce the investment, operation, and maintenance costs of the air conditioning system.
Other application examples
As a solvent: It has certain solubility and can be used as a solvent. For example, in the production process of coatings, paints, and other products, it can be used as a solvent to dissolve other components and form a uniform mixture.
As a lubricant: It can also be used as a lubricant. During the operation of mechanical equipment, lubricants need to be added to reduce friction and wear.
As a substance with lubricating properties, it can play an important role in the lubrication system of mechanical equipment.
As a plasticizer: During the plastic processing, it is necessary to add plasticizers to improve the flexibility and processability of the plastic. As a substance with plasticizing properties, it can be added to plastics to improve their flexibility and processability.
Low chromaticity and high-quality methyl palmitic acid was synthesized using 3A molecular sieve external circulation adsorption dehydration technology, with palmitic acid and methanol as raw materials and NKC-9 resin as catalyst. This technology has the advantages of simple operation, mild reaction conditions, high product purity, and high yield, providing a new and effective method for the synthesis of product.
The specific steps are as follows:
(1) Preparation of raw materials: palmitic acid, methanol, NKC-9 resin catalyst, and 3A molecular sieve.
(2) Mix palmitic acid and methanol in a certain proportion, add NKC-9 resin catalyst, and stir evenly.
(3) Under the action of 3A molecular sieve external circulation adsorption dehydration technology, the mixture is dehydrated.
(4) Heat the dehydrated mixture to undergo esterification reaction between palmitic acd and methanol.
(5) After the reaction is completed, the product is cooled and crystallized to separate product.
The following is the chemical equation for this method:
CH3CH2CH2COOH + CH3OH=CH3CH2CH2COOCH3 + H2O
In the reaction, CH3CH2CH2COOH represents palmitic acd, CH3OH represents methanol, CH3CH2CH2COOCH3 represents methyl palmitic acd, and H2O represents water. The reaction conditions are heating and the catalyst is NKC-9 resin.
The detailed steps for synthesizing methyl palmitate through direct esterification process are as follows:
Raw material preparation: palmitic acd, methanol, catalyst (usually sulfuric acd or sodium hydroxide), and necessary solvents.
Equipment preparation: agitator, heater, condenser, separator, and necessary pipelines.
(1) Mix palmitic acid and methanol in a certain molar ratio. Normally, the molar ratio is between 1:1 and 1:5. The specific proportion should be determined based on the reaction conditions and the required degree of esterification.
(2) Add catalyst to the mixture. If sulfuric acd is used as a catalyst, the usual amount added is 0.5% to 2% of the mass of palmitic acd. If sodium hydroxide is used, the addition amount is usually 0.5% to 1% of the mass of methanol. The function of a catalyst is to accelerate the esterification reaction.
(3) Under the action of a stirrer, the mixture is heated to the reaction temperature. Generally speaking, esterification reactions occur within the temperature range of 60-100 ℃. The specific temperature should be determined based on the type of catalyst and reaction conditions.
(4) Maintain a certain reaction time to allow the esterification reaction to proceed fully. The reaction time is usually between 2-8 hours, and the specific time should be determined based on the reaction progress and product properties.
The chemical equation is as follows:
CH3(CH2)14COOH + CH3OH → CH3(CH2)14COOCH3 + H2O
This equation describes the process of esterification of palmitic acid (CH3 (CH2) 14COOH) and methanol (CH3OH) with a catalyst to produce methyl palmitic acid (CH3 (CH2) 14COOCH3) and water (H2O).
(1) After the reaction is completed, cool the reaction solution and separate methyl palmitate and unreacted raw materials through a separator. The separation method usually uses methods such as distillation or extraction.
(2) Purify the separated it to remove any possible impurities. The purification method is usually distillation or crystallization.
(3) Test the purified product to ensure its quality meets the standards. The detection methods are usually chromatographic analysis or spectroscopic analysis, etc.
In the direct esterification process, concentrated sulfuric acd severely corrodes the equipment, making it difficult to separate the products. The post-treatment process is complex, and the wastewater causes serious environmental pollution. In addition, the strong oxidizing effect of concentrated sulfuric acd during the reaction process can easily cause the color of the product to darken. Therefore, in recent years, a series of environmentally friendly catalysts have been used to replace sulfuric acd, as well as various process enhancement technologies to improve esterification rates, such as cerium phosphotungstate, modified SBA-15 molecular sieve, ionic liquids, Ti/Ti/si solid acds, NKC-9 resin, CaCl2 dehydration, excess methanol dehydration, microwave technology, etc. The molecular sieve adsorption dehydration technology is mature and easy to promote.
FAQ
What is methyl palmitate used for?
Methyl palmitate can be used as an additive in food and cosmetic industries for the stabilization of fats and oil products by slowing down the auto-oxidation of unsaturated fatty acids.
Is palmitate good or bad for you?
Vitamin A palmitate is fat soluble and remains stored in the body's fatty tissues. For this reason, it can build up to too-high levels, causing toxicity and liver disease. This is more likely to occur from supplement use than from food. People with liver disease should not take vitamin A palmitate supplements.
Is methyl palmitate a fatty acid?
Methyl palmitate is a fatty acid methyl ester. It has a role as a metabolite. Methyl palmitate has been reported in Camellia sinensis, Peperomia leptostachya, and other organisms with data available.
Does palmitate cause inflammation?
Palmitate acts as a pro-inflammatory and catabolic factor that, in synergy with IL-1β, induces chondrocyte apoptosis and articular cartilage breakdown. Collectively, our data suggest that elevated levels of saturated FFA often found in obesity may contribute to OA pathogenesis.
Hot Tags: methyl palmitate cas 112-39-0, suppliers, manufacturers, factory, wholesale, buy, price, bulk, for sale, Solvent, propylene oxide market, N N Dimethylformamide pure, benzoyl peroxide powder, 37 formaldehyde, Basic Chemicals