1,2-propanediol, 3-[(2-ethylhexyl)oxy]-
3-(2-ethylhexyloxy)propane-1,2-diol
CAS: 70445-33-9
Molecular Formula: C11H24O3
1,2-propanediol, 3-[(2-ethylhexyl)oxy]- - Names and Identifiers
| Name | 3-(2-ethylhexyloxy)propane-1,2-diol |
| Synonyms | Sensiva SC 50JP Ethylhexyl Glecerine Glycerol α-(2-Ethylhexyl) Ether 3-(2-ethylhexyloxy) propane-1,2-dio 3-(2-ethylhexyloxy)propane-1,2-diol 3-[(2-Ethylhexyl)oxy]propane-1,2-diol 3-[(2-Ethylhexyl)oxy]-1,2-propanediol 2-Propanediol, 3-[(2-ethylhexyl)oxy]-1 1,2-propanediol, 3-[(2-ethylhexyl)oxy]- Ethylhexyl Glycerin, (3-[2-(Ethylhexyl)Oxyl]-1,2-Propandiol) |
| CAS | 70445-33-9 |
| EINECS | 408-080-2 |
| InChI | InChI=1/C11H24O3/c1-3-5-6-10(4-2)8-14-9-11(13)7-12/h10-13H,3-9H2,1-2H3 |
1,2-propanediol, 3-[(2-ethylhexyl)oxy]- - Physico-chemical Properties
| Molecular Formula | C11H24O3 |
| Molar Mass | 204.31 |
| Density | 0.962 |
| Boling Point | 325°C |
| Flash Point | 152°C(lit.) |
| Solubility | Chloroform (Sparingly), Ethyl Acetate (Slightly), Methanol (Slightly) |
| Vapor Presure | 0mmHg at 25°C |
| Appearance | Oil |
| Color | Colourless |
| pKa | 13.67±0.20(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.4490 to 1.4530 |
1,2-propanediol, 3-[(2-ethylhexyl)oxy]- - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R41 - Risk of serious damage to eyes R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| RTECS | TY6462200 |
1,2-propanediol, 3-[(2-ethylhexyl)oxy]- - Reference Information
| Overview | Traditional preservatives used in daily chemical products have certain toxicity, which is easy to cause some harm to the environment and human health. In the context of changing regulations and consumer panic, the development of new low-toxicity preservative systems, "no added" preservatives and natural preservatives has become an important way to achieve sustainable development. Ethylhexyl glycerol is a representative variety of important "no added" preservatives and is a globally recognized multifunctional cosmetic additive. The research and application of the mixed synergistic effect of ethyl hexyl glycerin and the antiseptic substance have been applied for a number of patents by international and domestic professional preservative manufacturers and famous cosmetic production companies, among them, there are compatibility with traditional preservatives, and more are combined with Polyols to form a "no addition" anti-corrosion system. |
| Product description | ethylhexyl glycerin (CAS number: 70445-33-9) is a widely used preservative synergist, moisturizing effect, can give the formula a pleasant skin feel. It can greatly improve the broad spectrum of many traditional preservatives (such as phenoxyethanol). Ethylhexyl glycerol reduces the activity of bacteria by reducing the surface tension of microbial cell walls, making the preservative system more effective and faster. |
| Application | ethylhexyl glycerol is a widely used antiseptic Synergist, A pleasant skin feel can be imparted to the formulation. It can greatly improve the broad spectrum of many traditional preservatives (such as phenoxyethanol). Ethylhexyl glycerol reduces the activity of bacteria by reducing the surface tension of microbial cell walls, making the preservative system more effective and faster. |
| preparation | with boron trifluoride diethyl ether as catalyst, according to the molar mass ratio of catalyst to 2-ethylhexyl glycidyl ether 1:40, the molar mass ratio of 2-ethylhexyl glycidyl ether to acetone is 1:6. 2-ethylhexyl glycidyl ether and catalyst are added to acetone, and the reaction is carried out at 20°C for 3H to form 4-alkoxymethyl-1, 3-dioxane solution. According to the molar mass ratio of the terminating agent to 2-ethylhexyl glycidyl ether of 1:8, an aqueous solution of the terminating agent methylamine was added and maintained for 10-20min, and excess acetone was distilled off under reduced pressure. Formic acid and water were added for hydrolysis reaction, and the reaction was carried out for 3H at 55°C. After liquid separation of the hydrolysis product, the oil phase is neutralized with alkali, washed to neutrality, and a stabilizer is added. The Molecular distillation is performed at a temperature of 135 to 145 ° C. And a vacuum degree of 40 to 50PA to finally obtain high-purity ethylhexyl glycerol. |
Last Update：2024-04-09 19:05:13
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