8.45001

Acetaldehyde

Msynth^™plus

• 别名: Acetaldehyde, Ethanal, Acetic Aldehyde, Ethyl Aldehyde
• 经验公式（希尔记法）: C₂H₄O
• CAS号: 75-07-0
• 分子量: 44.05
• MDL编号: MFCD00006991
• UNSPSC代码: 12352114
• EC索引号: 200-836-8

属性

• 蒸汽压: 1006 hPa ( 20 °C)
• 质量水平: 400
• 方案: ≥99.5% (GC)
• 表单: liquid
• 自燃温度: 140 °C
• expl. lim.: 4-57 % (v/v)
• pH值（酸碱度）: 5 (20 °C, 10 g/L in H₂O)
• 沸点: 20.4 °C/1013 hPa
• mp: -123 °C
• 转变温度: flash point -20 °C
• 密度: 0.78 g/cm³ at 20 °C
• 储存温度: 2-8°C
• InChI: 1S/C2H4O/c1-2-3/h2H,1H3
• InChI key: IKHGUXGNUITLKF-UHFFFAOYSA-N

说明

分析说明

Color (visual): colourless
Appearance of substance (visual): clear
Assay (GC, area%): ≥ 99.5 % (a/a)
Density (d 5°C/ 4°C): 0.799 - 0.801
Crotonaldehyde (GC, area%): ≤ 0.10 % (a/a)
Praldehyde (GC, area%): ≤ 0.10 % (a/a)
Acetic acid (GC, area%): ≤ 0.25 % (a/a)
Aldol (GC, area%): ≤ 0.10 % (a/a)
The analysis of residual solvents is not possible due to the physicochemical properties of the material.

法律信息

MSYNTH is a trademark of Merck KGaA, Darmstadt, Germany

安全信息

• 象形图: GHS02,GHS07,GHS08
• 警示用语：: Danger
• 危险声明: H224 - H319 - H335 - H341 - H350
• 预防措施声明: P202 - P210 - P233 - P305 + P351 + P338 - P308 + P313 - P403 + P233
• 危险分类: Carc. 1B - Eye Irrit. 2 - Flam. Liq. 1 - Muta. 2 - STOT SE 3
• 靶器官: Respiratory system
• 储存分类代码: 3 - Flammable liquids
• WGK: WGK 3
• 闪点(°C): -38.89 °C - closed cup