Coconut oil Chemical Properties
- Melting point:
- 20-28 °C(lit.)
- 0.903 g/mL at 25 °C
- Flash point:
- 113 °C
- storage temp.
- Practically insoluble in water, freely soluble in methylene chloride and in light petroleum (bp: 65-70 °C), very slightly soluble in ethanol (96 per cent).
- low-melting solid
- White or almost white
- Water Solubility
- EPA Substance Registry System
- Coconut oil (8001-31-8)
- Language:EnglishProvider:Coconut oil
Coconut oil Usage And Synthesis
White or almost white, unctuous mass
Coconut oil generally occurs as a white to light-yellow mass or
colorless or light-yellow clear oil, with a slight odor characteristic of
coconut and a mild taste. Refined coconut oil is a white or almost
white unctuous mass.
The form that coconut oil takes depends on temperature; it occurs as a pale yellow to colorless liquid between 288℃ and 308℃, as a semisolid at 208℃ , and as a hard brittle crystalline solid below 158℃.
Coconut Oil is the oil obtained from the kernel of the nuts of the coconut palm. it has a sharp melting character (narrow plastic range) in that it changes abruptly from a hard, brittle solid to a clear oil with a temperature change of a few degrees, and the transition occurs at room temperature range. it melts at 25°c and is more com- pletely solid than butter at 10°c. these properties make it suited for the preparation of shortenings where brittleness and a large change in consistency with a small temperature change are undesirable. partially hydrogenated coconut oil has hydrogen added to part of the unsaturated carbon bonds to provide a more solid consistency. it is used in confections, baked goods, and margarine.
coconut oil is used as a cream base, it is a raw material for soaps, ointments, massage creams, and in sunscreen formulations. Soft white or slightly yellow in color and semisolid in consistency, Copyright 2014 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial Review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. coconut oil is a grouping of primarily short-chain fatty acids bonded with glycerine and expressed from coconut kernels. It is stable when exposed to air. Coconut oil may be irritating to the skin and cause skin rashes. It is also considered comedogenic.
Coconut oil is the fixed oil obtained from the seeds of Cocos nucifera Linn. (Palmae). This oil is then refined to produce refined coconut oil, which is referred to in the coconut industry as RBD (refined, bleached, and deodorized) coconut oil.
White or light-yellow to orange semi-solid. Density 0.92 g / cm3 and insoluble in water. Hence floats on water. Nontoxic. Contains principally glycerides of myristic, palmitic, stearic, oleic and linoleic acids.
Air & Water Reactions
Insoluble in water.
Coconut oil react with acids to liberate heat. Heat is also generated by interaction with caustic solutions. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Flammable hydrogen is generated by mixing with alkali metals and hydrides. Reacts slowly with air to become rancid.
Oil is essentially nontoxic, but can cause mild irritation of eyes on contact.
Coconut oil has traditionally been used in ointments where it forms
a readily absorbable base. It has been used particularly in
preparations intended for application to the scalp, where it could
be applied as a solid but would liquefy when applied to the skin.
Coconut oil is readily saponified by strong alkalis even in the cold
and, as the soap produced is not readily precipitated by sodium
chloride, it has been used in the making of ‘marine’ soap.
Coconut oil may be used in the formulation of a range of other preparations including emulsions and nanoemulsions, intranasal solutions, and rectal capsules and suppositories. In addition, coconut oil has been reported to have antifungal activity against a range of Candida species.
Coconut oil has been used therapeutically in a lotion for the eradication of head lice, and was included in a regime used to treat a patient who had ingested 16.8 g aluminum phosphide.
Concern has been expressed at the potential use of coconut oil as a suntan lotion as it does not afford any protection against ultraviolet light.
Flammable solid when exposed to heat or flame. May spontaneously heat and ignite if stored wet and hot.
When administered orally, coconut oil is essentially nontoxic, although ingestion of large amounts may cause digestive or gastrointestinal irritation or upset. Coconut oil can act as an irritant when applied to the skin and when in contact with the eyes; it may be absorbed through the skin. Inhalation of mist or vapor may cause respiratory tract irritation.
Coconut oil remains edible, and mild in taste and odor, for several
years under ordinary storage conditions. However, on exposure to
air, the oil readily oxidizes and becomes rancid, acquiring an
unpleasant odor and strong acid taste.
Store in a tight, well-filled container, protected from light at a temperature not exceeding 258℃. Coconut oil may be combustible at high temperature, and may spontaneously heat and ignite if stored under hot and wet conditions.
Coconut oil reacts with oxidizing agents, acids and alkalis.
Polyethylene is readily permeable to coconut oil.
It has been shown that the increased force required to expel coconut oil from plastic syringes was due to uptake of the oil into the rubber plunger; this resulted in swelling of the rubber plunger and an increased resistance to movement down the syringe barrel.
Included in the FDA Inactive Ingredients Database (oral capsules and tablets; topical creams, solutions, and ointments). Included in scalp ointments and therapeutic shampoos licensed in the UK.
Coconut oil Preparation Products And Raw materials
- RICE BRAN OIL
- PALM OIL
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- Coconut oil fatty acids, diethanolamine ester
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- Fatty acids, coco, mixed esters with heptanoic acid and trimethylolpropane
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- COCONUT OIL PEG-10 ESTERS
- COCAMIDOPROPYL BETAINE
- Adipic acid, 1,2-propylene glycol, coconut oil fatty acids polymer
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- POTASSIUM COCONUT OIL SOAP)
- Detergent 6501
- Butanoic acid, 4-amino-4-oxo-2-sulfo-, N-coco alkyl derivs., disodium salts
- Coconut oil
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