8.00023

Acetylacetone

for synthesis

• Synonym(s): ACAC, 2,4-Pentanedione
• Linear Formula: CH₃COCH₂COCH₃
• CAS Number: 123-54-6
• Molecular Weight: 100.12
• Beilstein/REAXYS Number: 741937
• MDL number: MFCD00008787
• UNSPSC Code: 12352115
• EC Index Number: 204-634-0
• NACRES: NA.22

Properties

• vapor density: 3.5 (vs air)
• Quality Level: 200
• vapor pressure: 6 mmHg ( 20 °C)
• assay: ≥99% (GC)
• form: liquid
• autoignition temp.: 662 °F
• potency: 575 mg/kg LD₅₀, oral (Rat)
• expl. lim.: 11.4 %
• refractive index: n20/D 1.452 (lit.)
• pH: 6 (20 °C, 200 g/L in H₂O)
• bp: 140.4 °C (lit.)
• mp: −23 °C (lit.)
• transition temp: flash point 35 °C
• solubility: 153.8-155.2 g/L
• density: 0.975 g/mL at 25 °C (lit.)
• storage temp.: 2-30°C
• SMILES string: CC(=O)CC(C)=O
• InChI: 1S/C5H8O2/c1-4(6)3-5(2)7/h3H2,1-2H3
• InChI key: YRKCREAYFQTBPV-UHFFFAOYSA-N

Description

Application

• Viscoelasticity in Pressure-Sensitive Adhesives: This study examines the influence of crosslink density and linear viscoelasticity on the shear failure of adhesives, showcasing Aluminium acetylacetonate′s role in enhancing the performance and durability of industrial adhesives (Arrowood et al., 2023).
• Heat Stabilizer in PVC: Discusses the preparation of magnesium-aluminum hydrotalcite using a mechanochemical method facilitated by Aluminium acetylacetonate, and its application as a heat stabilizer in poly(vinyl chloride), highlighting its importance in improving the thermal stability of polymers (Jiang et al., 2020).

Analysis Note

Assay (GC, area%): ≥ 99 %
Density (d 20 °C/ 4 °C): 0.972 - 0.974
Identity (IR): passes test

Safety Information

• pictograms: GHS02,GHS06
• signalword: Danger
• hcodes: H226 - H302 - H311 + H331
• pcodes: P210 - P233 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P311
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Flam. Liq. 3
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: 95.0 °F - closed cup
• flash_point_c: 35 °C - closed cup