8.03528

Diacetyl

for synthesis

• 동의어(들): Diacetyl, 2,3-Butanedione, 2,3-Butadione, Dimethyldiketon, Dimethylglyoxal
• 실험식(Hill 표기법): C₄H₆O₂
• CAS Number: 431-03-8
• Molecular Weight: 86.09
• MDL number: MFCD00008756
• UNSPSC 코드: 12352115
• EC 인덱스 번호: 207-069-8
• NACRES: NA.22

속성

• vapor pressure: 52 hPa ( 20 °C)
• Quality Level: 200
• 분석: ≥97.0% (GC)
• 형태: liquid
• autoignition temp.: 365 °C
• 효능: 1580 mg/kg LD₅₀, oral (Rat); >5000 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 2.4-13.0 % (v/v)
• bp: 89-90 °C/1013 hPa
• mp: -2 °C
• 전이 온도: flash point 7 °C
• density: 0.99 g/cm³ at 20 °C
• 저장 온도: 2-8°C
• InChI: 1S/C4H6O2/c1-3(5)4(2)6/h1-2H3
• InChI key: QSJXEFYPDANLFS-UHFFFAOYSA-N

설명

애플리케이션

• Photosensitizer in Synthesis: Discusses diacetyl′s role as a non-toxic, readily available "traceless" photosensitizer in metal-free cross-dehydrogenative coupling reactions, highlighting its versatility and economic benefits (Huang et al., 2019).
• Detection in E-cigarettes: Investigates diacetyl as a precursor to hazardous emissions in e-cigarette liquids, providing insights into the health risks associated with its use in vaping products (Vas, Porter & McAdam, 2019).
• Antimicrobial Activity: Explores the synergistic antimicrobial properties of diacetyl combined with reuterin against foodborne pathogens, emphasizing its potential for enhancing food safety (Langa et al., 2014).
• Coffee Industry Exposure: Details exposure levels to diacetyl and other volatile organic compounds in coffee roasting and café settings, discussing occupational safety measures and health implications (LeBouf et al., 2020).

분석 메모

Assay (GC, area%): ≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.984 - 0.987
Identity (IR): passes test

안전성 정보

• 픽토그램: GHS02,GHS06,GHS08,GHS05
• 신호어: Danger
• 유해 및 위험 성명서: H225,H302,H315,H317,H318,H331,H373
• 예방조치 성명서: P210 - P280 - P301 + P312 - P304 + P340 + P311 - P305 + P351 + P338 - P314
• Hazard Classifications: Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation
• 표적 기관: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point (°F): 44.6 °F - closed cup
• Flash Point (°C): 7 °C - closed cup