Wax
DATA No : WWA1401
INFORMANT : Ken-ichi Tomita
NAME : Jojoba oil
Uses
Jojoba oil is very compatible with the skin . It is used in a large number of cosmetics such as milky lotions, creams, lipsticks, foundations, shampoos and rinses.Otherwise, jojoba oil products such as soap, detergents, emulsifiers, surface-active polymers, plasticizers, solid and liquid lubricants, water evaporation retardants, etc..
| PHYSICAL AND CHEMICAL PROPERTIES |
| MELTING POINT | : | |
|
| BOILING POINT | : | Iodine Value 80-100 (0.3g) (Ref. 0011) (Ref. 0005) |
|
| REFRACTIVE INDEX | : | Acid Value Not more than 5 (Ref. 0011) (Method 2, 10g) (Ref. 0003) |
|
| OPTICAL ROTATION | : | Saponification Value 80-110 (Ref. 0011) (Ref. 0004) |
|
| DENSITY | : | |
|
| SOLUBILITY | : | Jojoba oil is a colorless to yellow, transparent, oily liquid. It is odorless, or has a faint characteristic odor. (Ref. 0011) |
| UV SPECTRA | : | |
|
| IR SPECTRA | : | IR Spectrum
[Spectrum 0011] (Ishiwata Katsumi Shiseido Research Center 1997 )
Infrared absorption spectrum measurement operation conditions
Equipment: Fourier transform infrared spectrophotometer : FTS-40 (Biorad Co., Ltd.) , Resolution: 8 cm-1, Integration factor: 64, Wave number range: 400cm-1-4000cm-1 , Sample treatment: Potassium bromide tablets or liquid film |
|
| NMR SPECTRA | : | 12C-NMR Spectrum
[Spectrum 0012] (Nishiya Hiroshi Shiseido Research Center 1993 )
12C-nuclear magnetic resonance spectrometry operation conditions, Equipment: JEOL-EX400 (Japan Electronics Co., Ltd. ), Standard substance: Tetramethylsilane (0.00 ppm ), Irradiation mode: 1H full irradiation, Measurement temperature: 40 C, Deuterium solvent: Deuterium chloroform
|
|
| MASS SPECTRA | : | GC/MS Spectrum
[Spectra 0013/0014] (Kanda Kenji , Shiseido Research Center 1995 )
Gas chromatograph- mass spectrometry operation conditions, Equipment: Gas chromatograph 5980 (Hewlett Packard ), Mass spectrometer: 5970 (Hewlett Packard ), Column: ULTRA ALLOY plus-1 ( HT ) ( Frontier Laboratories Ltd. ), Internal diameter: 0.25 mm, gas chromatograph capillary column joined to a 15 m long metal tube to produce a 0.15 mm thick film of dimethyl silicone as the liquid phase, Column temperature: maintain at 40C for 3.5 minutes, then raise to 200C at a rate of 10C per minute, and then at 20C per minute up to 350 C. Maintain at this temperature for 20 minutes and then raise to 400 C at a rate of 50 C per minute.
Injection temperature: 320C, Carrier gas: He, Mass range: 40-800, Split ratio: 1: 40, Sample treatment: add 100 ml N,O-Bis (trimethylsilyl) acetamide to test sample( around 5mg ) and heat at 100C for 10 minutes, cool and make up to 1.5ml with n-hexane. |
|
| OTHER SPECTRA | : |
|
Gas chromatography
[
Chromatograms 0005 /
0006] (Nakahara Kazuyoshi Shiseido Research Center 1997 )
Gas chromatography operation conditions, Equipment: Gas chromatograph 6980 ( Hewlett Packard ), Column: ULTRA ALLOY plus-1 ( HT ) ( Frontier Laboratories Ltd. ), Internal diameter: 0.50 mm, gas chromatograph capillary column joined to a 15 m long metal tube to produce a 0.50
mm thick film of dimethyl silicone as the liquid phase, Column temperature: maintain at 60
C for 2 minutes, then raise to 370
C at a rate of 20
C per minute and maintain at this temperature for 12.5 minutes, Detector: FID, 380
C, Injection temperature: 370
C, Injection volume: 1
ml, Carrier gas: He, 33 kpa, 10ml/min. (at 40
C ), Splitless: purge start time 2 min. Sample solution: 1 % isopentane/ pyridine ( 9:1 ) solution or 1 % isopentane solution .
Origin
Jojoba wax, or jojoba oil, derived from the coffee-bean-like seed of jojoba, Simmondsia chinensis( var. Californica ), or Simmondsia californica Nuttall ( Buxus chinensis Link ), of the family order Buxaceae. The jojoba, or simmondsia, is a wooden evergreen shrub, a few feet in height, which grows in abundance on rocky hillsides in Arizona, near Tucson or elsewhere, and in western Mexico. Presently in the United States and Mexico, Plantations are actively producing jojoba beans. (
Ref. 0012) Jojoba oil consists chiefly of unsaturated higher fatty acid and unsaturated higheralcohol. (Carbon No. 38-44)
Main component is Dococenyl-eicosenoate (C42) and it's chemical structure is CH
3( CH
2)
7CH=CH ( CH
2)
9COO ( CH
2)
12CH=CH (CH
2)
7CH
3 (37%)
A method of manufacture
The seeds on pressing yield an oil which in some respects is not unlike sperm oil. The peculiar composition of jojoba oil, since it contains no glycerides, places it in a category of liquid waxes. It is composed almost entirely of high molecular weight monoethylenic acids and alcohols combined as esters. It is more convenient to operate by solvent extraction, preferably using light petroleum solvent, extracting thenuts after they have been ground. The solvent is then distilled off, and a residual oil of a slightly yellowish color is obtained. (
Ref. 0012)
[0003]
| AUTHOR | : | The Japanese Standards of Cosmetic Ingredients Second Edition (1985) pp479-480, YAKUJI NIPPO, LTD. |
| TITLE | : | |
| JOURNAL | : | |
| VOL | : | PAGE : - () |
[0004]
| AUTHOR | : | The Japanese Standards of Cosmetic Ingredients Second Edition (1985) pp592, YAKUJI NIPPO, LTD. |
| TITLE | : | |
| JOURNAL | : | |
| VOL | : | PAGE : - () |
[0005]
| AUTHOR | : | The Japanese Standards of Cosmetic Ingredients Second Edition (1985) pp503-504, YAKUJI NIPPO, LTD. |
| TITLE | : | |
| JOURNAL | : | |
| VOL | : | PAGE : - () |
[0011]
| AUTHOR | : | The Japanese Cosmetic Ingredients Codex (1993) pp417, YAKUJI NIPPO, LTD. |
| TITLE | : | |
| JOURNAL | : | |
| VOL | : | PAGE : - () |
[0012]
| AUTHOR | : | Albin, H., Warth, The chemistry and Technology of wax Second Edition (1956) pp302-303, Reinhold Publishing Corporation New York Chapman & Hall, Ltd., London |
| TITLE | : | |
| JOURNAL | : | |
| VOL | : | PAGE : - () |
[0036]
| AUTHOR | : | Miwa, Thomas K. |
| TITLE | : | Recent chemical research on jojoba and its uses. |
| JOURNAL | : | J. Jap. Oil Chemist's Soc., |
| VOL | : | 27 PAGE : 650 -658 (1978) |
[0037]
| AUTHOR | : | Hirose Takeo |
| TITLE | : | Present and future of jojoba wax |
| JOURNAL | : | Fragrance journal |
| VOL | : | 21 PAGE : 10 -15 (1976) |
[0038]
| AUTHOR | : | Moriyoshi Keiko et al |
| TITLE | : | Composition of jojoba oil |
| JOURNAL | : | Zeikan Chuo Bunseki Shoho |
| VOL | : | 28 PAGE : 43 -48 (1988) |
[0039]
| AUTHOR | : | Landis, P. S, Craver, R .H .SR |
| TITLE | : | Solubility of jojoba oil in organic solvents |
| JOURNAL | : | J. Am. Oil Chem. Soc., |
| VOL | : | 61 PAGE : 1879 -1880 (1984) |
[0040]
| AUTHOR | : | Spencer, G. F, Plattner, R.D, |
| TITLE | : | Compositional analysis of natural wax ester mixtures by Tandem mass spectrometry |
| JOURNAL | : | J. Am. Oil Chem. Soc., |
| VOL | : | 611 PAGE : 90 -94 (1984) |
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