Product NameAcetylacetoneMultiple Names2,4-Pentanedione;Pentane-2,4-Dione;Pentane-2,3-Dione;(3E)-4-H
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It is used as metal extractant to separate trivalent and tetravalent ions, paint and ink desiccant, pesticide insecticide, fungicide, solvent of polymer, reagent for determination of thallium, iron and fluorine, and organic synthesis intermediate. Advantage of Acetylacetone CAS No. 123-54-6 It is widely used in pharmaceutical, spice, pesticide and other industries It is an intermediate of organic synthesis Is an important pharmaceutical raw material
| Name | 2,4-Pentanedione |
| Synonyms | acetyl Pentanedione acetyl-aceton Acetylacetone CH3COCH2COCH3 Acetyl Acetone pentan-2,4-dione 2,4-Pentanedione acetyl2-propanone pentane-2,4-dione acetyl-2-propanon pentane-2,3-dione Acetyl 2-propanone (3E)-4-hydroxypent-3-en-2-one (3Z)-4-hydroxypent-3-en-2-one |
| CAS | 123-54-6 |
| EINECS | 204-634-0 |
| InChI | InChI=1/C5H8O2/c1-4(6)3-5(2)7/h3,6H,1-2H3/b4-3- |
| InChIKey | YRKCREAYFQTBPV-UHFFFAOYSA-N |
| Molecular Formula | C5H8O2 |
| Molar Mass | 100.12 |
| Density | 0.975 g/mL at 25 °C (lit.) |
| Melting Point | -23 °C (lit.) |
| Boling Point | 140.4 °C (lit.) |
| Flash Point | 66°F |
| Water Solubility | 16 g/100 mL (20 ºC) |
| Solubility | H2O: soluble1 in 8 parts |
| Vapor Presure | 6 mm Hg ( 20 °C) |
| Vapor Density | 3.5 (vs air) |
| Appearance | Liquid |
| Color | very deep green-yellow |
| Odor | pleasant odor |
| Exposure Limit | No exposure limit has been set. |
| Merck | 14,81 |
| BRN | 741937 |
| pKa | 8.9(at 25℃) |
| PH | 6 (200g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Explosive Limit | 2.4-11.4%(V) |
| Refractive Index | n20/D 1.452(lit.) |
| Physical and Chemical Properties | A colorless or yellowish, flowable, transparent liquid with the odor of an ester that condenses into shiny crystals on cooling. Upon exposure to light, it is converted into a brown liquid and a resin is formed. Melting Point -23 ℃, boiling point 140.5 ℃,139 ℃(94.5kPa), relative density 0.9753, refractive index 1.4494, flash point 40.56 ℃, soluble in water, ethanol, ether, chloroform, acetone, benzene, glacial acetic acid. Industrial products have an unpleasant odor and are easily hydrolyzed to acetic acid and acetone. |
| Use | Used as raw materials and pharmaceutical organic intermediates, can also be used as solvents |
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