8.03528

Diacetyl

for synthesis

• 別名: Diacetyl, 2,3-Butanedione, 2,3-Butadione, Dimethyldiketon, Dimethylglyoxal
• 実験式（ヒル表記法）: C₄H₆O₂
• CAS番号: 431-03-8
• 分子量: 86.09
• MDL番号: MFCD00008756
• UNSPSCコード: 12352115
• EC Index Number: 207-069-8
• NACRES: NA.22

特性

• 蒸気圧: 52 hPa ( 20 °C)
• 品質水準: 200
• アッセイ: ≥97.0% (GC)
• 形状: liquid
• 自己発火温度: 365 °C
• 有効性: 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
• 転移温度: flash point 7 °C
• 密度: 0.99 g/cm³ at 20 °C
• 保管温度: 2-8°C
• InChI: 1S/C4H6O2/c1-3(5)4(2)6/h1-2H3
• InChI Key: QSJXEFYPDANLFS-UHFFFAOYSA-N

詳細

アプリケーション

• 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).

アナリシスノート

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

安全性情報

• ピクトグラム: GHS02,GHS06,GHS08,GHS05
• シグナルワード: Danger
• 危険有害性情報: H225,H302,H315,H317,H318,H331,H373
• 注意書き: P210 - P280 - P301 + P312 - P304 + P340 + P311 - P305 + P351 + P338 - P314
• 危険有害性の分類: Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation
• ターゲットの組織: Respiratory system
• 保管分類コード: 3 - Flammable liquids
• WGK: WGK 2
• 引火点(°F): 44.6 °F - closed cup
• 引火点(℃): 7 °C - closed cup