<br /> Empirical Formula (Hill Notation): C5H9NO CAS号: 872-50-4 分子量: 99.13 Beilstein: 106420 EC 号: 212-828-1 MDL编号: MFCD00003193 PubChem化学物质编号: 329752940 NACRES: NA.21">
3.4 (vs air)
100
0.29 mmHg ( 20 °C)0.99 mmHg ( 40 °C)
≥99%
liquid
518 °F
glass distillation
9.5 %
HPLC: suitable
<0.050% water
APHA: ≤10
n20/D 1.47 (lit.)
7.7-10.0 (20 °C, 100 g/L)
202 °C (lit.)81-82 °C/10 mmHg (lit.)
−24 °C (lit.)
1.028 g/mL at 25 °C (lit.)
H2O reference
λ: 285 nm Amax: 1.00λ: 300 nm Amax: 0.50λ: 325 nm Amax: 0.10λ: 350-400 nm Amax: 0.01
food and beverages
CN1CCCC1=O
1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3
SECXISVLQFMRJM-UHFFFAOYSA-N
Danger
Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT SE 3
Respiratory system
6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK 1
195.8 °F - Pensky-Martens closed cup
91 °C - Pensky-Martens closed cup