| 融点 |
8.2-8.4 °C (lit.) |
| 沸点 |
100-101 °C (lit.) |
| 比重(密度) |
1.22 g/mL at 25 °C (lit.) |
| 蒸気密度 |
1.03 (vs air) |
| 蒸気圧 |
52 mm Hg ( 37 °C) |
| 屈折率 |
n20/D 1.377 |
| FEMA |
2487 | FORMIC ACID |
| 闪点 |
133 °F |
| 貯蔵温度 |
2-8°C |
| 溶解性 |
H2O: soluble1g/10 mL, clear, colorless |
| 酸解離定数(Pka) |
3.75(at 20℃) |
| 外見 |
Liquid |
| 比重 |
1.216 (20℃/20℃) |
| 色 |
APHA: ≤15 |
| PH |
3.47(1 mM solution);2.91(10 mM solution);2.38(100 mM solution); |
| 臭い (Odor) |
at 0.10 % in water. pungent vinegar formyl |
| においのタイプ |
acetic |
| 爆発限界(explosive limit) |
12-38%(V) |
| 水溶解度 |
MISCIBLE |
| Sensitive |
Hygroscopic |
| 極大吸収波長 (λmax) |
λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.01 |
| Merck |
14,4241 |
| JECFA Number |
79 |
| BRN |
1209246 |
| Henry's Law Constant |
At 25 °C: 95.2, 75.1, 39.3, 10.7, and 3.17 at pH values of 1.35, 3.09, 4.05, 4.99, and 6.21,
respectively (Hakuta et al., 1977) |
| Dielectric constant |
58.0（16℃） |
| 暴露限界値 |
TLV-TWA 5 ppm (～9 mg/m3) (ACGIH,
MSHA, OSHA, and NIOSH); IDLH 100
ppm (180 mg/m3) (NIOSH). |
| 安定性： |
Stable. Substances to be avoided include strong bases, strong oxidizing agents and powdered metals, furfuryl alcohol. Combustible. Hygroscopic. Pressure may build up in tightly closed bottles, so bottles should be opened carefully and vented periodically. |
| InChIKey |
BDAGIHXWWSANSR-UHFFFAOYSA-N |
| LogP |
-0.540 |
| CAS データベース |
64-18-6(CAS DataBase Reference) |
| NISTの化学物質情報 |
Formic acid(64-18-6) |
| EPAの化学物質情報 |
Formic acid (64-18-6) |
