8.20664

3-Hydroxy-2-butanone

for synthesis

• Synonym(e): 3-Hydroxy-2-butanone, Acetyl methyl carbinol, Acetoin
• Lineare Formel: (CH₃CH(OH)COCH₃)₂
• CAS-Nummer: 51555-24-9
• Molekulargewicht: 176.21
• MDL number: MFCD00004521
• UNSPSC Code: 12352115
• NACRES: NA.22
• Assay: ≥97.0% (GC)
• Form: liquid

Eigenschaften

• Quality Segment: 200
• assay: ≥97.0% (GC)
• form: liquid
• potency: >5000 mg/kg LD₅₀, oral (Rat), >5000 mg/kg LD₅₀, skin (Rabbit)
• bp: 147-148 °C/1013 hPa
• mp: 20 °C (Above 20°C conversion of dimer to monomer 15°C)
• transition temp: flash point 45 °C
• density: 1.012 g/cm³ at 20 °C
• SMILES string: OC(C)C(=O)C
• InChI: 1S/C4H8O2/c1-3(5)4(2)6/h3,5H,1-2H3
• InChI key: ROWKJAVDOGWPAT-UHFFFAOYSA-N

Beschreibung

Analysis Note

Assay (GC, area%): ≥ 97.0 % (a/a)
Identity (IR): passes test

Sicherheitshinweise

• pictograms: GHS02
• signalword: Warning
• hcodes: H226
• pcodes: P210 - P233 - P240 - P241 - P242 - P243
• Hazard Classifications: Flam. Liq. 3
• Lagerklasse: 3 - Flammable liquids
• wgk: WGK 3
• flash_point_f: 113.0 °F
• flash_point_c: 45 °C