| Customization: | Available |
|---|---|
| CAS No.: | 75-07-0 |
| Formula: | C2h4o |
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CAS 75-07-0 98% purity Acetaldehyde for making Acetic acid
| Acetaldehyde Basic information | |
| Product Name: | Acetaldehyde |
| CAS: | 75-07-0 |
| MF: | C2H4O |
| MW: | 44.05 |
| EINECS: | 200-836-8 |
| Mol File: | 75-07-0.mol |
| Acetaldehyde Chemical Properties | |
| 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 25ºC) |
| form | solution |
| color | White to off-white |
| Specific Gravity | 0.823 (20/4ºC) (?90% Soln.) |
| PH | 5 (10g/l, H2O, 20ºC) |
| Odor | Pungent, fruity odor detectable at 0.0068 to 1000 ppm (mean = 0.067 ppm) |
| Odor Threshold | 0.0015ppm |
| explosive limit | 4-57%(V) |
| 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 |
| CAS DataBase Reference | 75-07-0(CAS DataBase Reference) |
| IARC | 2B (Vol. 36, Sup 7, 71) 1999, 1 (Vol. 100E) 2012 |
| NIST Chemistry Reference | Acetaldehyde(75-07-0) |
| EPA Substance Registry System | Acetaldehyde (75-07-0) |
| SPECIFICATION PROPERTIES | STANDARD | RESULTS |
| Appearance | Colorless liquid | Colorless liquid |
| Purity(%) | ≥98.0% | 98.30% |
| Proportion(25ºC) | 0.804~0.811 | 0.804 |
| Refraction(20ºC) | 1.3392 | 1.3392 |
| Acid value | ≤5 | 3 |
| Boiling point | 20.8ºC | 20.8ºC |
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