融点 |
-78 °C (lit.) |
沸点 |
101-105 °C (lit.) |
比重(密度) |
0.809 g/mL at 25 °C (lit.) |
蒸気圧 |
27 mm Hg ( 20 °C) |
FEMA |
2842 | 2-PENTANONE |
屈折率 |
n20/D 1.39(lit.) |
闪点 |
45 °F |
貯蔵温度 |
Store below +30°C. |
溶解性 |
water: soluble72.6g/L at 20°C (OECD Test Guideline 105) |
外見 |
Liquid |
色 |
Colorless to Almost colorless |
臭い (Odor) |
at 1.00 % in dipropylene glycol. sweet fruity ethereal wine banana woody |
Relative polarity |
0.321 |
爆発限界(explosive limit) |
1.56-8.70%(V) |
臭気閾値(Odor Threshold) |
0.028ppm |
においのタイプ |
fruity |
水溶解度 |
43 g/L (20 ºC) |
極大吸収波長 (λmax) |
λ: 330 nm Amax: 1.00 λ: 340 nm Amax: 0.10 λ: 350 nm Amax: 0.01 λ: 370-400 nm Amax: 0.005 |
JECFA Number |
279 |
Merck |
14,6114 |
BRN |
506058 |
Henry's Law Constant |
12.30 at 25.00 °C (headspace-GC, Straver and de Loos, 2005) |
暴露限界値 |
TLV-TWA 700 mg/m3 (200 ppm); STEL
875 mg/m3 (250 ppm) (ACGIH). |
Dielectric constant |
16.8(14℃) |
安定性: |
Stable. Highly flammable - note low flashpoint. Incompatible with strong bases, oxidizing agents, reducing agents. |
LogP |
0.857 at 20℃ |
CAS データベース |
107-87-9(CAS DataBase Reference) |
NISTの化学物質情報 |
2-Pentanone(107-87-9) |
EPAの化学物質情報 |
2-Pentanone (107-87-9) |