- Benzoylacetone
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- $40.00 / 1kg
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2024-08-15
- CAS:93-91-4
- Min. Order: 1kg
- Purity: 0.99
- Supply Ability: 10 tons
- Benzoylacetone
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- $0.00 / 1KG
-
2024-08-13
- CAS:93-91-4
- Min. Order: 1KG
- Purity: 99.0%
- Supply Ability: 1000KG
- Benzoylacetone
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- $0.00 / 25KG
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2023-09-06
- CAS:93-91-4
- Min. Order: 1KG
- Purity: 99%
- Supply Ability: 500000kg
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| | Benzoylacetone Basic information |
| | Benzoylacetone Chemical Properties |
| Melting point | 54-56 °C(lit.) | | Boiling point | 260-262°C | | density | 1.09 g/mL at 25 °C(lit.) | | refractive index | 1.5678 (estimate) | | Fp | 260-262°C | | storage temp. | Store below +30°C. | | solubility | 0.38g/l insoluble | | form | Crystalline Flakes or Crystalline Powder | | pka | pK1: 8.23 (25°C) | | color | Yellow | | Specific Gravity | 1.09 | | Odor | at 100.00 %. acetophenone balsam woody dry opoponax vanilla | | Odor Type | balsamic | | Water Solubility | insoluble | | BRN | 742413 | | Dielectric constant | 3.8（20℃） | | LogP | 2.520 (est) | | CAS DataBase Reference | 93-91-4(CAS DataBase Reference) | | NIST Chemistry Reference | 1,3-Butanedione, 1-phenyl-(93-91-4) | | EPA Substance Registry System | 1,3-Butanedione, 1-phenyl- (93-91-4) |
| Safety Statements | 22-24/25 | | WGK Germany | 3 | | RTECS | EK3540200 | | TSCA | Yes | | HS Code | 29143900 | | Toxicity | LD orl-rat: >500 mg/kg NCNSA6 5,28,53 |
| | Benzoylacetone Usage And Synthesis |
| Chemical Properties | Benzoylacetone is a yellowish crystalline flakes or White prismatic crystals and has balsamic odor type of medium strength. M.P: 61℃.
B.P: 261℃. Sp.Gr. (liquid) = 1.09. Soluble in hot water, soluble in cold alcohol
and oils. Faint, but very tenacious balsamic-sweet,
Vanilla-1ike odor of "oriental" fragrance type. Benzoyl acetone is widely used in cosmetic industry, as a flavour and fragrance agent.
Benzoylacetone is formed together with acetophenon and benzoic acid when benzoylacetic acid is boiled with water. It is also a product of the action of sodium ethylate on a mixture of acetone and ethyl benzoate. | | Uses | Benzoylacetone has been used as a 1,3-dicarbonyl compound model for studying keto-enol equilibria in aqueous acid and micellar solutions. Additionally, it has been studied using gas-phase electron diffraction and quantum chemistry. It is used as pharmaceutical intermediates. | | Preparation | From Acetophenone plus Ethylacetate
plus Sodium ethoxide, or directly by Acetylation of Acetophenone. | | Synthesis Reference(s) | Chemistry Letters, 9, p. 257, 1980
Journal of the American Chemical Society, 75, p. 626, 1953 DOI: 10.1021/ja01099a031
Tetrahedron Letters, 37, p. 3885, 1996 DOI: 10.1016/0040-4039(96)00689-2 | | Safety Profile | Moderately toxic by ingestion.When heated to decomposition it emits acrid smoke andirritating vapors. | | Purification Methods | Crystallise benzoylacetone from Et2O or MeOH and dry it under vacuum at 40o. [Beilstein 7 IV 2151.] |
| | Benzoylacetone Preparation Products And Raw materials |
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