Name | poly(ethylene glycol) monooleate |
Synonyms | nonisol200 nopalcol1-0 PEG-9 OLEATE PEG-8 OLEATE PEG-10 OLEATE PEG-12 OLEATE PEG-11 OLEATE PEG264 Monooleate Polyoxyethylene oleate Polyethyleneglycolmonolaurate Polyethylene glycol monooleate Polyethylene glycol monolaurate poly(ethylene glycol) monooleate 2-hydroxyethyl (9Z)-octadec-9-enoate Poly(oxy-1,2-ethanediyl), .alpha.-[(9Z)-1-oxo-9-octadecen-1-yl]-. omega.-hydroxy- |
CAS | 9004-96-0 31943-11-0 |
EINECS | 500-015-7 |
InChI | InChI=1/C28H54O7/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-27(28(30)31)17-19-32-21-23-34-25-26-35-24-22-33-20-18-29/h9-10,27,29H,2-8,11-26H2,1H3,(H,30,31) |
Molecular Formula | C18H33O2.(C2H4O)n.H |
Molar Mass | 502.72 |
Density | 1.034g/mLat 25°C |
Boling Point | >260°C(lit.) |
Flash Point | 113°C |
Solubility | toluene, ethanol and acetone: soluble (dispersible in water) |
Appearance | Oil |
Color | Colourless to Light Beige |
Storage Condition | Amber Vial, Refrigerator |
Stability | Light Sensitive |
Refractive Index | n20/D 1.468 |
Use | For emulsifiers, softeners |
WGK Germany | 1 |
RTECS | MD0880000 |
HS Code | 3907990100 |
Toxicity | LD50 oral in mouse: > 25gm/kg |
This product is a mixture of oleic acid and polyethylene glycol mono-and di-esters. It can be prepared by epoxidation of animal and plant oleic acid or by esterification of oleic acid with polyethylene glycol. The molecular formula is expressed as C,7H33C 00 (C H 2CH20). H. n is about 5 to 6 or 10.
The refractive index of this product (General 0622) is 1-464~468.
The acid value of this product (General 0713) is not greater than 1.
The saponification value of this product (General rule 0713) is 105~1 20 U is 5~6) or 65~8 5 0 is 10).
The Hydroxyl value of this product (General rule 0713) is 5 0 - 7 0 U is 5~6) or 65~90(n is 10).
The δ value of this product (General rule 0713) is 50~6 0 («5~6) or 27~34(n is 10).
The peroxide value of this product (General 0713) is not more than 12.
The infrared absorption spectrum of this product should be consistent with that of the reference product (General rule 0402).
take 2.0g of this product, add 20ml of human ethanol, mix well, take 2ml of this solution, add 0 .0 5ml phenol red indicator solution, the solution does not appear red.
take this product lg, precision weighing, top empty bottle, precision plus N ,JV-dimethylacetamide 1 .0M l and water 0.2M l, sealed, shake, as a test solution. Separately take polyethylene glycol 400 (at 60°C, 1.5 to 2. 5kPa rotary evaporation for 6 hours, remove volatile components) 99_75g, put it in 100ml vials (or other suitable containers), Precision weighing, sealing, then use a glass syringe previously frozen to about a 10 t: puncture with human ethylene oxide about 300 ^ 1 (equivalent to ethylene oxide 0 .2 5G), Precision weighing, shaking, as ethylene oxide reference stock solution (in the new preparation or calibration before use). Accurately weigh the cooled stock solution of ethylene oxide reference substance lg, place it in another pre-cooled vial containing the above-mentioned polyethylene glycol 40049G, seal it, shake it well, and accurately weigh 10g, in a 50ml measuring flask containing 30ml of water, dilute to the scale with water, and shake to a standard solution of ethylene oxide. Take the right amount of dioxane, precision weighing, water made in each 1 M l containing 0 .5m g of the solution, as dioxane control solution. Take this product lg, precision weighing, top empty bottle, precision plus JV,JV-dimethylacetamide 1. 0 m l, ethylene oxide control solution 0. lm l and dioxane control solution 0.1ml, sealed, shake, as a control solution. Measure the ethylene oxide control solution ()• lm l in the top empty bottle and add the newly prepared 0.001% acetaldehyde solution 0 .1 M l and dioxane control solution 0 .1 m l, sealed, shaken, as a system suitability test solution. Test according to Gas chromatography (General 0521). With polydimethylsiloxane as the stationary liquid, the initial temperature is 5 0°C, the temperature is maintained for 5 minutes, and the temperature is raised to 1 8 0°C at a rate of 5°C per minute, The temperature was then increased to 230°C at a rate of 30X per known hour for 5 minutes (adjustable on a case-by-case basis). The inlet temperature was 1 50°C, and the detector temperature was 25(TC. The Headspace equilibrium temperature is 70°C, and the equilibrium time is 45 minutes. The system suitability test solution is sampled in the headspace, and the detection sensitivity is adjusted so that the peak heights of ethylene oxide peak and acetaldehyde peak are 15% of the full scale, the degree of separation of the acetaldehyde peak and the ethylene oxide peak is not less than 2 .0, two oxygen six ring peak height should be more than 5 times the baseline noise. The Headspace equilibrium temperature was 901C, and the equilibrium time was 45 minutes. The Test Solution and the reference solution were injected into the headspace, and the samples were repeated for at least 3 times. The relative standard deviation of the peak area of ethylene oxide should not exceed
15%, the relative standard deviation of two oxygen six ring peak area should not be more than 10%. According to the standard plus person method, ethylene oxide shall not exceed 0.0001% and dioxane shall not exceed 001%.
take this product l .O g, according to the moisture determination method (General rule 0832 first method 1) determination, containing no more than 2 .0% moisture.
take the product l.O g, inspection according to law (General rule 0841), residue should not exceed 0 .3%.
take this product about l .O g, put in a 25ml round bottom two-necked flask, such as anhydrous methanol 10M l and 0.2ml of 60g /L potassium hydroxide methanol solution, shake to dissolve, nitrogen gas was purged (reference rate 50ml per minute) and heated to boiling. After the solution became clear (about 10 minutes), heating was continued for 5 minutes, the flask was cooled with water and transferred to a separatory funnel. The flask was washed with 5m l of n-heptane and the liquid was added to the separatory funnel and shaken. Add 10ml of 20 0 g /L sodium chloride solution, shake, let stand and layer by layers, take the organic layer, dry it over anhydrous sodium sulfate, filter it, and use it as a test solution; the following appropriate amount of each fatty acid methyl ester reference was accurately weighed, dissolved and quantitatively diluted with n-heptane to make methyl myristate 0.5mg and methyl palmitate l per lm l.Omg, methyl palmitoleate 0.5m g, methyl stearate 0.5mg, oleic acid 6. Omg, methyl linoleate 1. Omg, methyl linolenic acid 0.5M g mixed control solution (1). Take 1 .0 m l, put it in a 10ml volumetric flask, dilute it to the scale with n-heptane, shake it well, and use it as a mixed reference solution (2). According to the gas chromatography (General 0521) test, the capillary column with polyethylene glycol as stationary liquid is used as the chromatographic column, the initial temperature is 170°C, and the temperature is raised to 23 0°C at a rate of 2°C per minute for 10 minutes. Sample inlet temperature 2501C, detector temperature 2 50 1. l f x l of mixed reference solution (1) and mixed reference solution (2) were injected into the gas chromatograph respectively, and the chromatogram was recorded. The degree of separation between adjacent fatty acid methyl ester peaks is not less than 1 .8, the number of theoretical plate shall not be less than 30 000 calculated by methyl oleate; Mixed control (2) The minimum peak height of the medium fatty acid methyl ester should not be less than 5 times the baseline noise. Take the sample solution 1/J, inject human gas chromatography, according to the area normalization method to calculate the peak area, myristic acid is not more than 5.0%, palmitic acid not more than 16.0%, palmitoleic acid not more than 8.0%, stearic acid not more than 6.0%, oleic acid 65.0% ~ 8 8.0%, linoleic acid not more than 18.0%, linolenic acid not more than 4 .0%, other fatty acids not more than 4 .0%.
pharmaceutical excipients, solubilizers and emulsifiers.
nitrogen, sealed, stored in a cool and dry place.
hydrophilic-lipophilic balance (HLB value) | 15.1 |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Use | polyoxyethylene oleate belongs to polyoxyethylene fatty acid ester, which is a very important non-ionic indicating active agent, for example, oleic acid polyoxyethylene (3~5) grease is used as antistatic agent in textile processing and production of synthetic fiber; Used as softener and lubricant for tanning leather; Used as emulsifier in ink manufacturing; it is used as an emulsifier for cutting oil in metal processing, as an emulsifier and dispersant for metal cleaning agents and detergent solvents. Polyoxyethylene oleate (10~15) grease is used as a special detergent and dyeing aid in the textile industry; In leather processing, it is used as an emulsifier of hoof oil; In the coating and printing industry, it is used as a pigment, ink grinding aids; In the paper industry, used as paper re-lubricant; In the rubber industry, used as a dispersant; In the plastic industry as a plasticizer; Also used as pesticides, glass, paraffin emulsifier and so on. To sum up, the industrial application prospect of fatty acid polyoxyethylene Ester is very wide and has great development value. used in emulsifiers, softeners used in the metal industry for grease dewaxing and cooling lubrication additives, used in the textile industry as softeners, antistatic agents |
preparation | a 2L reactor with stirring, electrical heating jacket and internal water-cooled coil was charged with 300.0G of oleic acid, 1.68g of catalyst (composed of tetramethylammonium chloride and CoO, the mass ratio of tetramethylammonium chloride to CoO is 1:0.25), and the reaction kettle is sealed. Replace the nitrogen in the reactor with nitrogen for three times, turn on the stirring, raise the temperature to 90 ℃, carry out vacuum treatment at the pressure of-0.09MPa for 60min, then raise the temperature to 140 ℃ and maintain the temperature, and add ethylene oxide, by controlling the feeding rate of ethylene oxide to maintain the reaction pressure of 0.3MPa, when the feeding of ethylene oxide after a total of 373.8g to stop the aging reaction at 140 °c until the pressure no longer drop (indicating that the aging reaction has been completed), and the vacuum treatment was carried out at a pressure of -0.09MPa for 30min, and then the temperature was reduced to 40 ° C., and the fatty acid polyoxyethylene Ester product was obtained. |
performance and application | specification performance and application PEG400MO emulsifier, polyethylene glycol oleate dissolved in benzene, isopropanol, dispersed in water, it is used as industrial special lubricant, industrial grease removing agent, vinyl plastic Sol viscosity stabilizer, textile softener, lubricant, dry cleaning agent, oil-based cutting fluid balance emulsifier, plastic antistatic agent and dispersant. PEG400DO soluble in mineral, vegetable oil, water is dispersed, W/o emulsifier, solubilizer, kerosene emulsifier, industrial lubricants. PEG600MOPEG600DOPEG4000MOPEG6000MO1, soluble in water, with good washing, emulsifying, lubricating properties. 2, cosmetics As O/W emulsifier, textile industry as leveling agent, dispersant, softener, metal processing as lubricant. Pesticide used as pesticide emulsifier, can also be used for water-soluble coatings and printed circuit board pickling. |
type | Non-ionic |
Chemical composition | polyethylene glycol oleate |
production method | put 1mol oleic acid and catalyst amount of potassium hydroxide into the reaction kettle, gradually raise the temperature, vacuum dehydration. After the water was removed, the air in the kettle was replaced with nitrogen. After the air was removed, ethylene oxide was introduced for ethoxylation. The reaction temperature was maintained at 180-200 ° C. And the pressure was 0. 2~0. 3MPa. After the completion of the ethylene oxide, cooling, the feed liquid into the neutralization pot with glacial acetic acid to adjust the pH value to 6. 0-7. 0, and then add hydrogen peroxide decolorization, and then cooling the output is the finished product. C17H33COOH nCH2-CH2OKOH C17H33COO(CH2CH2O)nH |