1,2,4-Butanetriol
1,2,4-Butanetriol
CAS: 3068-00-6
Molecular Formula: C4H10O3
1,2,4-Butanetriol - Names and Identifiers
| Name | 1,2,4-Butanetriol |
| Synonyms | Butanetriol 4-Butanetriol trihydroxybutane 1,2,4-Butanetriol Dutane-1,2,4-triol butane-1,2,4-triol (2R)-butane-1,2,4-triol (2S)-butane-1,2,4-triol |
| CAS | 3068-00-6 |
| EINECS | 221-323-5 |
| InChI | InChI=1/C4H10O3/c5-2-1-4(7)3-6/h4-7H,1-3H2/t4-/m1/s1 |
1,2,4-Butanetriol - Physico-chemical Properties
| Molecular Formula | C4H10O3 |
| Molar Mass | 106.12 |
| Density | 1.19g/mLat 25°C(lit.) |
| Melting Point | -20°C |
| Boling Point | 190-191°C18mm Hg(lit.) |
| Flash Point | 188°C |
| Solubility | DMSO, Water |
| Vapor Presure | 8.63E-05mmHg at 25°C |
| Appearance | Oil |
| Color | Clear Colourless Thick |
| BRN | 1733456 |
| pKa | 14.02±0.20(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Sensitive | Hygroscopic |
| Refractive Index | n20/D 1.473(lit.) |
| Physical and Chemical Properties | Properties colorless syrup-like liquid. boiling point 167~168 ℃(1.476kPa) relative density 1.185 refractive index 1.473 solubility is miscible with water and alcohol. |
| Use | Similar to glycerol, it can be used as a humectant, solvent and intermediate in the production of pharmaceuticals and explosives. |
1,2,4-Butanetriol - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 1 |
| RTECS | EK7176000 |
| TSCA | Yes |
| HS Code | 29054990 |
1,2,4-Butanetriol - Reference Information
| chemical properties | colorless syrupy liquid. Can be miscible with water and alcohol. |
| use | use is similar to glycerin, and can be used as wetting agent, solvent and intermediate for producing medicine and explosives similar to glycerin, it can be used as solvent, wetting agent and intermediate of medicine and explosives. However, it is difficult to compete with glycerin in price, which affects the development of this product. tobacco auxiliaries, key intermediates for the preparation of various drugs, reduce the harm of tar components, components of photographic developer, anti-drying agent for high-grade ink, surface treatment agent for high-grade clothing, ceramic processing auxiliaries, cross-linking agents for high-grade materials, special uses |
| production method | from 1, 4-butynediol is hydrolyzed into 1, 4-dihydroxy-2-butanone with mercury salt, and then hydrogenated in the presence of molybdenum sulfide or Raney nickel. 1. Hydration Add butynediol and water to the reaction pot, add mercury sulfate under stirring, then slowly add sulfuric acid, and react at 30-35 ℃ for 60h. After the reaction, it was neutralized with calcium carbonate to pH 7 and stirred for half an hour. The calcium sulfate precipitate is filtered, the filter residue is washed with water, and the washing filtrate is combined and concentrated to obtain 1, 4-dihydroxy-2-butanone (concentrated solution). 1,4-dihydroxy -2-butanone 1,4-Dihydroxy-2-butanoneC4H8O3[140-80-3] boiling point 108-110 ℃(66.7Pa)2. hydrogenation 1,4-dihydroxy -2-butanone concentrated solution is added to an autoclave, ethanol and Raney nickel are added, sealed, replaced with air, hydrogenated at 60 ℃, 3-4.9MPa, when hydrogen absorption slows down, the temperature is raised to 100 ℃ to continue the reaction until hydrogen absorption is no longer. Cool to below 50 ℃ for discharge and filtration. After the filtrate is recovered from ethanol at normal pressure, it is distilled under reduced pressure to collect 155-165 ℃(0.133-0.267kPa) and fractions to obtain 1,2, 4-butanetriol. |
| NIST chemical information | The information is: webbook.nist.gov provides (external link) |
| EPA chemical information | The information is: offered by ofmpub.epa.gov (external link) |
Last Update：2024-04-10 22:29:15
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