Showing posts with label Natural fatty acid. Show all posts
Showing posts with label Natural fatty acid. Show all posts

Monday, April 23, 2012

What Does Capric Acid Mean?

Capric acid
Decanoic acid, or capric acid, is a saturated fatty acid. Its formula is CH3(CH2)8COOH. Salts and esters of decanoic acid are called decanoates. The term capric acid arises from the Latin "capric" which pertains to goats due to their olfactory similarities.
Capric acid occurs naturally in coconut oil and palm kernel oil, as well as in the milk of various mammals and to a lesser extent in other animal fats.
It is used in organic synthesis and industrially in the manufacture of perfumes, lubricants, greases, rubber, dyes, plastics, food additives and pharmaceuticals.
Two other acids are named after goats: caproic (C6) and caprylic (C8). Along with decanoic acid, these total 15% in goat milk fat.
Capric acid is a white crystal with nasty smell.The melting point is 31.5℃ and the boiling point is 270℃,148-150℃(1.46kPa). It is soluble in alcohol,ether,benzene,chloroform and carbon disulfide,but insoluble in water.

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Sunday, April 22, 2012

Properties of Neodecanoic Acid

Neodecanoic acid
Neodecanoic acid is a kind of liquid like water at room temperature wih strong smell.The melting point is -40 and the boiling point is 220280.The density is 0.911.It is miscible with  isopropanol, benzene, carbon tetrachloride, acetone and ethyl acetate.
Neodecanoic acid is a mixture of carboxylic acids with the common structural formula C10H20O2, a molecular weight of 172.26 g/mol, and the CAS number 26896-20-8. Components of the mixture are acids with the common property of a "trialkyl acetic acid" having three alkyl groups at carbon two, including:
  • 2,2,3,5-Tetramethylhexanoic acid
  • 2,4-Dimethyl-2-isopropylpentanoic acid
  • 2,5-Dimethyl-2-ethylhexanoic acid
  • 2,2-Dimethyloctanoic acid
  • 2,2-Diethylhexanoic acid

Friday, April 20, 2012

An Introduction of Lauric Acid

Lauric acid
Lauric acid (systematically: dodecanoic acid), the saturated fatty acid with a 12-carbon atom chain, thus falling into the medium chain fatty acids, is a white, powdery solid with a faint odor of bay oil or soap.
CAS:143-07-7
Fomular:CH3(CH2)10COOH
Molecular weight:200.32  g/mol
Lauric acid ia a colorless, needle-like crystals with slight odor of bay oil. It is insoluble in water .The melting point is 44 - 46C (111 - 115F) and the boiling point is 225C (437F) @ 100mm . Lauric acid (systematically: dodecanoic acid), a saturated fatty acid, is a white, powdery solid with a faint odor of bay oil or soap. Lauric acid should be keept in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Isolate from incompatible substances. Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.

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Wednesday, April 18, 2012

A General Introduction of Myristic Acid

Myristic acid
Myristic acid is a straight-chain 14-carbon fatty acid. Diets rich in myristic acid, along with lauric and palmitic acids, are associated with increased serum levels of low densisity lipoprotein cholesterol. Myristic acid, also called tetradecanoic acid, is a common saturated fatty acid with the molecular formula CH3(CH2)12COOH. A myristate is a salt or ester of myristic acid.
This compound is a saturated fatty acid. Thus, all of the bonds except for the COOH group are saturated with hydrogen molecules. There are no double bonds. Another way of designating the molecule is 14:0, which indicates a carbon chain length of 14 and a lack of double bonds.
The name myristic acid comes from nutmeg, or Myristica fragrans. 75% of nutmeg butter consists of trimyristin, a derivative of myristic acid. Coconut oil is also a prominent source of this compound, along with palm oil and butter fat. Myristic acid is a white crystalline powder that is not soluble in water. The salt of this compound is known as myristate.


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Monday, April 16, 2012

Standards of Coconut Oil Oleic Acid

Coconut oil oleic acidCoconut oil is an edible oil extracted from the kernel or meat of matured coconuts harvested from the coconut palm (Cocos nucifera). Throughout the tropical world, it has provided the primary source of fat in the diets of millions of people for generations. It has various applications in food, medicine, and industry. Coconut oil is very heat-stable, which makes it suited to methods of cooking at high temperatures like frying. Because of its stability, it is slow to oxidize and, thus, resistant to rancidity, lasting up to two years due to high saturated fat content. As with dairy and meat products, the United States Food and Drug Administration,, World Health Organization, International College of Nutrition, United States Department of Health and Human Services, American Dietetic Association, American Heart Association,  British National Health Service, and Dietitians of Canada recommend limiting the consumption of significant amounts of coconut oil due to its high levels of saturated fat.
The World Health Organization's Codex Alimentarius guidelines on food, food production and food safety, published by the Food and Agriculture Organization, includes standards for commercial partners who produce coconut oil for human consumption. The Asian and Pacific Coconut Community (APCC), whose 17 members produce about 90% of the coconut sold commercially, has published its standards for virgin coconut oil (virgin coconut oil is obtained from fresh, mature coconut kernels through means which do not "lead to alteration of the oil").

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Friday, April 13, 2012

Environmental Impacts of Palm Acid

Palm oil production has been documented as a cause of substantial and often irreversible damage to the natural environment. Its impacts include: deforestation, habitat loss of critically endangered species such as the Orangutan and Sumatran Tiger, and a significant increase in greenhouse gas emissions. The pollution is exacerbated because many rainforests in Indonesia and Malaysia lie atop peat bogs that store great quantities of carbon that are released when the forests are cut down and the bogs drained to make way for plantations. Environmental groups such as Greenpeace claim that the deforestation caused by making way for oil palm plantations is far more damaging for the climate than the benefits gained by switching to biofuel.
Palm oleic acidThe Roundtable on Sustainable Palm Oil (RSPO)is an organisation that was formed in 2004 with the objective promoting the growth and use of sustainable oil palm products through credible global standards and engagement of stakeholders. It has over 450 member organisations that are from the different stakeholders in the palm oil supply chain from the Palm Oil Growers to the Palm Oil Processors and Traders, Banks and Investors, Consumer Goods Manufactures, Retailers, Environmental Organisations (NGOs) and Social Organisations (NGOs). RSPO practices a consensus based decision making philosophy. The seat of the association is in Zurich, Switzerland, while the secretariat is currently based in Kuala Lumpur with a satellite office in Jakarta. This video done by WWF a environmental NGO gives a balance view of the industry and RSPO. Many of the major companies in the vegetable oil economy participate in the Roundtable on Sustainable Palm Oil, which is trying to address this problem, though their efforts so far have done almost nothing to change or slow the escalating situation and have been likened to green-washing. Even so, in 2008 Unilever, a member of the RSPO group, committed to use only palm oil which is certified as sustainable, by ensuring that the large companies and smallholders that supply it convert to sustainable production by 2015. On 1 June 2011, RSPO launched its trademark for use by its members. With this trademark producers of products such as chocolate, margarine and cosmetics can show their commitment towards sustainable palm oil through the use of the trademark. On 1 July 2011, PT Carrefour Indonesia reiterated its commitment to exclusively source for sustainable palm oil products by 2015. In August of that same year, RSPO marked one million hectares of certified sustainable land (and brought the volume of sustainable oil to over 5 million tonnes) with the certification of the Agropalma company in Brazil. It was also the first RSPO certification received by Brazil.
Meanwhile, much of the recent investment in new palm plantations for biofuel has been part-funded through carbon credit projects through the Clean Development Mechanism; however the reputational risk associated with unsustainable palm plantations in Indonesia has now made many funds wary of investing there.

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Wednesday, April 11, 2012

A Stufy Focused on Tallow Oleic Acid

Tallow oleic acidTallow-oleic estolide 2-ethylhexyl (2-EH) esters were synthesized in a perchloric acid catalyzed one-potprocess from industrial 90% oleic and tallow fatty acids at various ratios, while varying the ratio of tallow and oleic fatty acids, with the esterification process incorporated into an in situ second step to provide a functional fluid. Their viscosities ranged 57–80 cSt at 40  C and 10.8–14.0 cSt at 100  C with viscosity index (VI) 169–185. The 100% tallow estolide 2-EH ester had modest low-temperature properties (pour point = –15  C and cloud point =–14  C), while the 50:50 mixture of oleic and tallow fatty acids produced an estolide that had better low-temperature properties (pour point = –21  C and cloud point = –21  C) without a large negative effect on the oxidative stability. The oxidative stability increased as the amount of satura-tion increased (rotating pressurized vessel oxidation test(RPVOT) • 165–274 min). The tallow-oleic estolide 2-EHesters have shown remarkably low evaporative losses of only 1% loss compared to a 15–17% loss for commercial materials of similar viscosity grade. Along with expected good biodegradability, these tallow-oleic estolide 2-EHesters had acceptable properties that should provide a specialty niche.
The tallow fatty acid profile depends highly on the tissue location as well as the diet of the animal. The typical
fatty acid profile is oleic acid (18:1) at 43.3% as the major fatty acid with palmitic acid (16:0) at 24.6% as the second one (Table 1). Overall, saturated and unsaturated fatty acids were represented at almost a 1:1 split

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Tuesday, April 10, 2012

Wide Applications of Vetetable Oleic Acid

Vetetable oleic acidVetetable oleic acid is light yellow oil liquid at room temperature with the melting point 13.4℃. It is soluble in oganic solvents such as alcohol,gasline etc, but it is insoluble in water.
It is widely  applied in plastic plasticizer, engineering plastic, synthetic fiber, nylon 8 and 9, synthetic detergents, washing soaps, paint, ink, paper, carbon, oil and other materials, ball-pen oil additives, textile, and crude oil recovery timber anticorrosion additive additives, as well the demulsifier.Vetetable oleic acid is also used in production and synthesis of  pesticide emulsifier, textile auxiliaries, oleic acid soap and raw materials of metal cutting fluids. Furthermore, it is available for mineral flotation agents and so on.
Oleic acid is a fatty acid that occurs naturally in various animal and vegetable fats and oils. It is an odorless, colourless oil, although commercial samples may be yellowish. In chemical terms, oleic acid is classified as a monounsaturated omega-9 fatty acid. It has the formula CH3(CH2)7CH=CH(CH2)7COOH.[2] The term "oleic" means related to, or derived from, oil or olive, the oil of which is predominantly derived from oleic acid.
As a kind of fat, oleic acid is one of the better ones to consume. As a replacement for other saturated fats, it can lower total cholesterol level and raise levels of high-density lipoproteins (HDLs) while lowering low-density lipoproteins (LDLs), also known as the “bad” cholesterol. Usually switching to an oil high in oleic acid is not difficult since there are numerous sources available.

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Monday, April 9, 2012

General Knowledge of Animal Oleic Acid

Animal oleic acid
Chemical formula: CH3 (CH2) 7CH = CH (CH2) 7COOH Chemical name: cis - 9 - octadecenoic acid Physicochemical Properties: Animal oleic acid is light yellow transparent oily liquid at room temperature,   melting point 13.4 ° C Specific gravity 0.8905.
Animal oleic acid is insoluble in water, but soluble in ethanol, gasoline and other organic solvents, hydrogenated into stearic acid. It has the general chemical properties of the organic carboxylic acid and unsaturated double bonds and chemical properties.
Animal oleic acid is widely used in the plasticizer, engineering plastics, synthetic fibers, nylon, 8 and 9, synthetic detergents, washing soap, paint, ink, waxed paper, carbon paper, ballpoint pen oil, the raw materials, oil additives, textile, wood preservative additives, crude oil recycling additive, demulsifier.

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