Yearly Archives: 2019

Amyl salicylate is a benzoate ester.It is refined by esterification of salicylic acid and pentanol catalyzed by sulfuric acid.

Amyl salicylate is mainly used in fragrance.

Guaiacol is an oily yellow liquid with a penetrating odor, obtained by distilling wood tar or wood creosote.

Guaiacol is present in wood smoke, resulting from the pyrolysis of lignin. The compound contributes to the flavor of many substances such as whisky and roasted coffee.

alpha-Longipinene from gum turpentine oil. Used as a solvent, intermediate to dyestuff, perfume, medicine production.

2-Methylpentanoic acid is colorless to slightly yellow liquid with strong pungent, unhappy acid odor. It is prepared by aldol condensation of propanal catalyzed by dilute alkali, then dehydroxylation, hydrogenation, and oxidation. It is mainly used in fragrance and flavor formulation.

Creosol, also called Valspice, 4-methyl guaiacol, molecular formula C8H10O2, is colorless to pale yellow liquid with spice, woody, and sweet vanilla nuances, a smoky campfire-like character.

It is extracted from natural wood oil.

Creosol is mainly used in the flavor, medical and intermedium of organic synthesis

4-Methyl guaiacol, also called as VALSPICE, Creosol, is colorless to pale yellow liquid with condimental odor and distinctive soy scent. It is extracted from natural wood oil.

4-Methyl guaiacol is mainly used in the flavor, medical and intermidium of organic synthesis.

Terpene Phenolic Resin (TPR) is obtained by copolymerization of terpene monomer and phenol.

with excellent compatibility, dissolve in all kinds of polar solvent and nonpolar solvent, exhibits excellent.

TPR is also widely used in all kinds of solvent adhesive, dismodule type of CR adhesive, heat solvent adhesive, heat solvent adhesive stick & adhesive tape, and sole adhesive of high-grade shoes.

Watermelon Ketone, also known as calone or methylbenodioxepinone is a hydrocarbon compound with similar structure of certain alicyclic C11-hydrocarbons such as ectocarpene. It is a flavor and fragrance chemical compound with special odorant.

The material is prepared by etherification of 4-methylpyrocatechol with two equivalents of alkyl 2-bromoacetate and subsequentDieckmann condensation followed by hydrolysis and decarboxylation.

Modified Rosin Resin is designed for vacuum plating industry with high softening point and high hardness, high gloss.

Good compatibility with TD1 modified alkyd resin. Good solubility in 120# solvent. High adhesion with HIPS、ABS & vacuum plating.

Modified rosin is colorless hydrogenated rosin derivative. Used as a tackifier in high-grade hot-melt and acrylic pressure-sensitive adhesives.

It offers compatibility with many kinds of polymers, superior thermal stability, and weatherability.  Possesses low metal impurities. Possesses high acid number.

Ethyl vanillin, also called as Ethylvanillin, appears white to off-white fine crystalline powder. It has similar but stronger scent than vanillin. It is prepared from catechol, beginning with ethylation to give guethol.

Ethylvanillin is used in the formulation fragrance and flavor.

Dehydroabietylamine (Leelamine) is a diterpene compound, derivatives from gum rosin. After a series of distillation process, the residual liquid of turpentine oil is steamed out. Then filter the residual liquid at 210℃ or so and cool and crystallize to get the finished product.

Dehydroabietylamine has a weak affinity for the cannabinoid receptors CB1 and CB2, as well as being an inhibitor of pyruvate dehydrogenase kinase. Optically active leelamine is also used as a chiral resolving agent for carboxylic acids.

Pine tar, also call as wood tar or wood tar oil, is a brownish to dark brown viscous liquid.

Foreverest supply wood tar oil (pine tar) for over 20years, the tar oil is prepared by the high temperature carbonization of pine wood under anoxic conditions.

Wood tar oil can be used for impregnating marine cables, rubber plasticizers, caulking rubber and medicine after dehydration or distillation.

Thymol is a natural monoterpenoid phenol derivative of cymene, C10H14O, isomeric with Carvacrol, found in oil of thyme, and extracted from Thymus vulgaris (common thyme) and various other kinds of plants as a white crystalline substance of a pleasant aromatic odor and strong antiseptic properties.

Cinnamyl Alcohol is an organic compound that is found in esterified form in storax, or cinnamon leaves. It forms a white crystalline solid when pure, or a yellow oil when even slightly impure.

It can be produced by the hydrolysis of storax.

Cinnamyl Alcohol is used in cosmetics as a fragrance or flavoring agent.

Cinnamyl acetate is an acetate ester resulting from the formal condensation of cinnamyl alcohol with acetic acid. Found in cinnamon leaf oil. It has a role as a fragrance, a metabolite and an insecticide. It derives from a cinnamyl alcohol.

Cinnamyl acetate is a constituent of cassia oil as well.

Acetyl Cedrene is also called Methyl Cedryl Ketone. It is a colorless liquid with strong woody odor.

Foreverest^® Methyl Cedryl Ketone (Acetyl Cedrene) is prepared by the ethyl esterification of alpha-cedrene.

It is widely used in the fragrance formulation, such as in the fragrance of perfumes, soaps, and cosmetics.

1,4-Cineole is a monoterpene, has camphor odor, natural exists in cubeb, chamomile, boldea fragrans juss, ormenix multicaulis and etc.

FOREVEREST™ 1,4-Cineole is produced in dehydration process from alpha-terpineol or gum turpentine.

Terpineol is naturally found in pine oil, lavender oil, orange leaf oil, neroli oil and other plant oils.

α-Terpineol, β-Terpineol, γ-Terpineol, and terpinen-4-ol are four isomers of terpineol. α-terpineol is the major component.

Terpineol is a viscous liquid with pine-like and clove-like odor.

Terpineol is widely used in the fragrance formulation, especially in soaps and synthetic detergent.

Foreverest™ DIPENTENE ex CP is a by product of Gum Turpentine, it is a pale yellow liquid with lemon character.

Dipentene is mainly composed of terpene hydrocarbons, main composition is alpha Terpinene, Gamma Terpinene, Terpinene, Limonene, Para Cymene etc.

Dipentene show more woody sense for fragrance application.

Isoborneol is a terpene derivative. It is prepared by hydration and rearrangement of camphene/pinene.

Isoborneol is commonly used as flavor and fragrance agents

Resin Emulsion is an aqueous, solvent free resin made from polymerized rosin

Glycerol Ester of Gum Rosin (GEGR), also called as Glyceryl Rosinate, or  Ester Gum, is an oil-soluble food additive. which esterified with Rosin and edible Glycerol.

Its high density helps keep oils in suspension in water and this property is the reason why it is often used as a beverage stabilizer. It is widely used as a base in the production of chewing-gum. It also serves as an alternative to brominated vegetable oil in citrus oil flavored soft drinks. In some cases both ingredients are used together. (Approved by FDA 172.735)

Hexyl cinnamaldehyde is found naturally in the essential oil of chamomile. It is a member of the class of cinnamaldehydes carrying a hexyl substituent.

Hexyl cinnamaldehyde industrially produced via a crossed-aldol condensation reaction between octanal and benzaldehyde.

Geraniol is naturally found in more than 200 kinds of essential oils, including geranium oil ,Citronella oil, East-Indian geranium oil and rose oil, etc.

It can be obtained by distillation of the natural oil. And it can also be prepared by beta- pinene through series of reactions.

In addition to being directly used as perfume raw materials, geraniol can also be used to produce many esters and other valuable synthetic perfumes.

Geraniol and Nerol are geometrical isomers.

Geraniol is a commercially important terpene alcohol occurring in the essential oils of several aromatic plants, it can also be prepared by beta- Pinene through series of reactions

The most important usage is to be made into fine natural geraniol, citronellol and rhodinol.

Hydroabietyl Alcohol is a colorless, tacky, balsamic resin ester.

It is a high molecular weight, primary, monohydric alcohol made from Methyl Hydrogenated Rosinate.

Its tackiness and extremely pale color, combined with its solubility in common organic solvents and compatibility with resins, film-formers, and oils, have led to its use as a resinous plasticizer and/or tackifier in plastics, lacquers, inks and adhesives.

β-Pinene oxide is prepared by oxidation of β-pinene in methylene chloride in the presence of sodium carbonate using peracetic acid as an oxidant at 0 °C.

BETA Pinene Oxide is widely used in fragrance formulation.

(+)-Dihydrocarvone, a monoterpenoid compound found in caraway oil, is a key building block to synthesize sesquiterpenes. It is colorless liquid generally produced either by the hydrogenation of carvone or by the oxidation of limonene. Dihydrocarvone is an important aroma component of cooling and fragrant plant essential oil. It can be added to candies, drinks, toothpastes and perfumes as a flavoring for food and cosmetics.

Camellia Oleifera Oil (also called as White tea oil) is transformed from natural tea oil through long-term storage in a specific environment. The natural oil turns its color from golden yellow to light yellow until colorless and tasteless crystal tea oil. The color of white tea oil is transparent and pure. It is the result of natural transformation of color and luster over the years, rather than rapid purification by artificial refining. Thereby it is also called aged white tea oil.

It is excellent ingredient to be used for cosmetic products. The pure extracted oil, which contains 86% oleic oil, fits the human body perfectly.

! Note: Camellia Oleifera Oil is extracted from seeds of Camellia Oleifera, it is different between Camellia Sinensis Leaf Extract. Learn more about botanical information via FRPS or Medicinal Plant Images Database of HKBU.