| Melting point: |
-96 °C |
| Boiling point: |
75 °C(lit.) |
| Density |
0.817 |
| vapor density |
2.5 (vs air) |
| vapor pressure |
90 mm Hg ( 20 °C) |
| refractive index |
n20/D 1.380(lit.) |
| FEMA |
2219 | BUTYRALDEHYDE |
| Flash point: |
12 °F |
| storage temp. |
2-8°C |
| solubility |
water: soluble50g/L at 20°C |
| form |
Liquid |
| color |
Clear colorless |
| PH |
6-7 (71g/l, H2O, 20℃) |
| Odor |
Pungent aldehyde; pungent and intense. |
| PH Range |
6-7 |
| Odor Threshold |
0.00067ppm |
| explosive limit |
1.7-11.1%(V) |
| Odor Type |
chocolate |
| Water Solubility |
7.1 g/100 mL (25 ºC) |
| Sensitive |
Air Sensitive |
| JECFA Number |
86 |
| Merck |
14,1591 |
| BRN |
506061 |
| Exposure limits |
No exposure limit is set for n-butyraldehyde. |
| Dielectric constant |
13.4（26℃） |
| Stability: |
Stable. Incompatible with oxidizing agents, strong bases, strong reducing agents, strong acids. Highly flammable. |
| LogP |
1.3 at 20℃ and pH4.4-4.7 |
| Surface tension |
70mN/m at 1g/L and 20℃ |
| CAS DataBase Reference |
123-72-8(CAS DataBase Reference) |
| NIST Chemistry Reference |
Butanal(123-72-8) |
| EPA Substance Registry System |
Butyraldehyde (123-72-8) |