1,2-Hexanediol
DL-1,2-Hexanediol
CAS: 6920-22-5
Molecular Formula: C6H14O2
1,2-Hexanediol - Names and Identifiers
| Name | DL-1,2-Hexanediol |
| Synonyms | 1,2-HEXANEDIOL 1,2-Hexanediol hexane-1,2-diol DL-Hexan-1,2-diol DL-1,2-Hexanediol DL-1,2-HEXANEDIOL DL-hexane-1,2-diol dl-hexane-1,2-diol 1,2-Dihydroxyhexane (2R)-hexane-1,2-diol (2S)-hexane-1,2-diol |
| CAS | 6920-22-5 |
| EINECS | 230-029-6 |
| InChI | InChI=1/C6H14O2/c1-2-3-4-6(8)5-7/h6-8H,2-5H2,1H3/t6-/m1/s1 |
| InChIKey | FHKSXSQHXQEMOK-UHFFFAOYSA-N |
1,2-Hexanediol - Physico-chemical Properties
| Molecular Formula | C6H14O2 |
| Molar Mass | 118.17 |
| Density | 0.951 g/mL at 25 °C (lit.) |
| Melting Point | 45°C |
| Boling Point | 223-224 °C (lit.) |
| Specific Rotation(α) | [α]D20 -0.3～+0.3゜ (neat) |
| Flash Point | >230°F |
| Water Solubility | Miscible with water, lower aliphatic hydrocarbons and fatty acids. |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.576Pa at 25℃ |
| Appearance | Liquid |
| Specific Gravity | 0.951 |
| Color | Clear colorless to light yellow |
| BRN | 1719244 |
| pKa | 14.49±0.20(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Hygroscopic |
| Refractive Index | n20/D 1.442(lit.) |
| MDL | MFCD00010737 |
| Physical and Chemical Properties | Density 0.951 boiling point 223-224°C ND20 1.441-1.443 flash point 122°C |
| Use | 1, 2-hexanediol is a glycol with refreshing feeling and excellent antibacterial properties. It is also an alkanediol, a polyol with high antibacterial properties. Polyols have extremely high moisture absorption and water retention, so they are the most commonly used moisturizers in cosmetics. 1, 2-hexanediol is used in fine chemicals (such as cosmetics, advanced inks, advanced paints, advanced glues, etc.) and pharmaceuticals due to its good solubility, non-corrosive, antibacterial and moisturizing properties. Can promote moisturizing and penetration. When the addition amount is about 5%, it has anti-corrosion effect. |
1,2-Hexanediol - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 2 |
| FLUKA BRAND F CODES | 3 |
| TSCA | Yes |
| HS Code | 29053990 |
1,2-Hexanediol - Use
1, 2-hexanediol can be used as the raw material for inkjet printing ink in printers.
1, 2-hexanediol is added to daily necessities and used as a preservative in contact with the human body, with sterilization and moisturizing effects.
1, 2-hexanediol can be used in advanced coatings, advanced glues, adhesives, etc., and is also an organic synthesis intermediate, which can produce downstream products such as 1, 2-adipic acid and amino alcohol.
Last Update：2024-01-02 23:10:35
1,2-Hexanediol - Reference Information
| LogP | 0.58 at 25℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Overview | 1, 2-hexanediol is an important chemical raw materials, used in color ink jet printer ink, high-grade cosmetics and synthetic raw materials in the pharmaceutical industry. At present, Chinese patents related to the application of 1, 2-hexanediol are mostly applied by enterprises in Japan, the United States, Germany and other countries in China before 2011. After 2014, the patent applications of enterprises or individuals in China have increased, but most of them only involve cosmetics. |
| Application | 1. The application of ink printer is a tool widely used in contemporary society, 1, 2-hexanediol can be used as a printer ink-jet printing ink raw materials, the use of increasingly widespread. 2. The application of 1, 2-hexanediol in cosmetics is added to daily necessities, which is used as a preservative to be contacted by human body. It has the effect of sterilization and moisture retention, and does not have a negative effect on human health. Applications in the pharmaceutical industry 1, 2-hexanediol in the pharmaceutical industry is mainly used as chemical raw materials for the development and utilization of downstream products to provide the basis. 4. Other applications 1, 2-hexanediol can be used in high-grade coatings, high-grade glues, binders and the like, is also an intermediate in organic synthesis, and can produce downstream products such as 1, 2-adipic acid and amino alcohols. |
| synthesis method | H 2O2 is a more used oxidant in recent years, through the oxidation of organic acids into peroxyacids, the peroxyacid then epoxidizes the double bond of the olefin and finally hydrolyzes to obtain the diol. The reaction mechanism is shown in Fig. The advantage of H 2O2 oxidation method is that H 2O2 is inexpensive and produced after reduction water, environmental pollution is small, suitable for industrial production requirements. |
Last Update：2024-04-09 20:49:11
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