8.05791

Mesityl oxide

for synthesis

• Synonym(e): Mesityl oxide, Isopropylideneacetone, 4-Methyl-3-penten-2-one
• Lineare Formel: (CH₃)₂CCHCOCH₃
• CAS-Nummer: 141-79-7
• Molekulargewicht: 98.14
• MDL-Nummer: MFCD00008900
• UNSPSC-Code: 12352115
• EG-Index-Nummer: 205-502-5
• NACRES: NA.22

Eigenschaften

• Dampfdruck: 10.5 hPa ( 20 °C)
• Qualitätsniveau: 200
• Form: liquid
• Selbstzündungstemp.: 344 °C
• Wirksamkeit: 1120 mg/kg LD₅₀, oral (Rat); 5150 mg/kg LD₅₀, skin (Rabbit)
• Expl.-Gr.: 1.4-10.1 % (v/v)
• bp: 130 °C/1013 hPa
• mp (Schmelzpunkt): -59 °C
• Übergangstemp.: flash point 28 °C
• Dichte: 0.85 g/cm³ at 20 °C
• Lagertemp.: 2-30°C
• InChI: 1S/C6H10O/c1-5(2)4-6(3)7/h4H,1-3H3
• InChIKey: SHOJXDKTYKFBRD-UHFFFAOYSA-N

Beschreibung

Anwendung

• Nanomaterial synthesis: Mesityl oxide is employed in the chemical reactivity studies of the tryptophan/acetone/DMSO triad system, highlighting its potential applications in the innovative synthesis of nanomaterials, advancing green chemistry initiatives (Huang et al., 2023).
• Electrode modification for residue detection: Utilized in the detection of residual 2-Phenylphenol on lemon rind, mesityl oxide served as a solvent in the electrochemical deposition of polymeric stackings, illustrating its utility in enhancing analytical methods in food safety (Kiss et al., 2022).
• Organic sensing media: Mesityl oxide was a key solvent in the anodic polymerization process for sensing phenols, indicating its effective use in the development of sensing layers for environmental monitoring (Kiss et al., 2022).
• Pharmaceutical product quality control: Mesityl oxide is instrumental in the determination of acetone and related impurities in drug product intermediates, showing its critical role in ensuring pharmaceutical quality and compliance (Quirk et al., 2014).

Hinweis zur Analyse

Gehalt an Isomeren (GC, Fl.%): ≥ 97.0 % (a/a)
a-Mesityloxid (GC, Fl.%): ≥ 85.0 % (a/a)
Dichte (d 20 °C/ 4 °C): 0.853 - 0.856
Identität (IR): entspricht

Sicherheitshinweise

• Piktogramme: GHS02,GHS06
• Signalwort: Danger
• H-Sätze: H226 - H302 + H312 - H315 - H319 - H331 - H335
• P-Sätze: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P311 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 3 Inhalation - Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 1
• Flammpunkt (°F): 87.8 °F - closed cup
• Flammpunkt (°C): 31 °C - closed cup