Melting point | -125 °C (lit.) |
Boiling point | 21 °C (lit.) |
density | 0.785 g/mL at 25 °C (lit.) |
vapor density | 1.03 (vs air) |
vapor pressure | 52 mm Hg ( 37 °C) |
refractive index | n20/D 1.377 |
FEMA | 2003 | ACETALDEHYDE |
Fp | 133 °F |
storage temp. | 2-8°C |
solubility | alcohols: soluble |
pka | 13.57(at 25℃) |
form | solution |
color | White to off-white |
Specific Gravity | 0.823 (20/4℃) (?90% Soln.) |
Odor | Pungent, fruity odor detectable at 0.0068 to 1000 ppm (mean = 0.067 ppm) |
PH | 5 (10g/l, H2O, 20℃) |
explosive limit | 4-57%(V) |
Odor Threshold | 0.0015ppm |
Water Solubility | > 500 g/L (20 ºC) |
Sensitive | Air Sensitive |
JECFA Number | 80 |
Merck | 14,39 |
BRN | 505984 |
Henry's Law Constant | 7.69 at 25 °C (Snider and Dawson, 1985:Benkelberg et al., 1995) |
Exposure limits | TLV-TWA 180 mg/m3 (100 ppm) (ACGIH), 360 mg/m3 (200 ppm) (NIOSH); STEL 270 mg/m3 (150 ppm); IDLH 10,000 ppm. |
Stability: | Stable, but air sensitive. Substances to be avoided include strong oxidizing agents, strong acids, reducing agents, alkalies, halogens, halogen oxides. Highly flammable. Vapour/air mixtures explosive over a very wide concentration range. May form peroxides in storage. |
InChIKey | IKHGUXGNUITLKF-UHFFFAOYSA-N |