A0705912
Acetaldehyde solution , 35wt.%inH2O , 75-07-0
Synonym(s):
Acetaldehyde;Ethanal;Ethanal, Acetic Aldehyde, Ethyl Aldehyde
CAS NO.：75-07-0
Empirical Formula: C2H4O
Molecular Weight: 44.05
MDL number: MFCD00006991
EINECS: 200-836-8
Update time: 2022-07-08
PRODUCT 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 | n |
| FEMA | 2003 | ACETALDEHYDE |
| Flash point: | 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.) |
| PH | 5 (10g/l, H2O, 20℃) |
| Odor | Pungent, fruity odor detectable at 0.0068 to 1000 ppm (mean = 0.067 ppm) |
| Odor Threshold | 0.0015ppm |
| Odor Type | ethereal |
| biological source | synthetic |
| explosive limit | 4-57%(V) |
| Water Solubility | > 500 g/L (20 ºC) |
| Sensitive | Air Sensitive |
| Merck | 14,39 |
| JECFA Number | 80 |
| BRN | 505984 |
| Henry's Law Constant | 7.69 at 25 °C (Snider and Dawson, 1985:Benkelberg et al., 1995) |
| Exposure limits | ACGIH TLV-TWA:180 mg/m3 (100 ppm);TLV-CEILING:25 ppm (45 mg/m3) OSHA PEL-TWA:200 ppm (360 mg/m³) NIOSH REL-TWA:360 mg/m3 (200 ppm) |
| Dielectric constant | 21.8（5℃） |
| 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. |
| Cosmetics Ingredients Functions | FRAGRANCE |
| InChI | 1S/C2H4O/c1-2-3/h2H,1H3 |
| InChIKey | IKHGUXGNUITLKF-UHFFFAOYSA-N |
| SMILES | CC=O |
| LogP | -0.16 |
| 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) |
Description and Uses
Acetaldehyde is used as a general solvent in organic and polymer chemical reactions. It also plays a role in fruit and food quality, ripening and deterioration.manufacture of paraldehyde, acetic acid, butanol, perfumes, flavors, aniline dyes, plastics, synthetic rubber; silvering mirrors, hardening gelatin fibers. Flavoring agent in foods and beverages. Fumigant for storage of apples and strawberries.
Safety
| Symbol(GHS) |     GHS02,GHS05,GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H331-H302-H313-H318-H360-H371-H370-H372-H373-H317-H341-H350-H226 |
| Precautionary statements | P501-P272-P270-P202-P240-P260-P210-P233-P201-P243-P241-P242-P271-P264-P280-P370+P378-P308+P311-P362+P364-P303+P361+P353-P333+P313-P301+P312+P330-P304+P340+P311-P305+P351+P338+P310-P403+P233-P403+P235-P405 |
| target organs | Respiratory system |
| PPE | Eyeshields, Faceshields, Gloves |
| Hazard Codes | T,Xn,F+,F |
| Risk Statements | 23/24/25-34-40-43-36/37-12-67-11-41-22-10-19 |
| Safety Statements | 36/37-33-16-26 |
| RIDADR | UN 1089 |
| WGK Germany | 2 |
| RTECS | LP8925000 |
| F | 10 |
| Autoignition Temperature | 185 °C |
| TSCA | TSCA listed |
| HazardClass | 3 |
| PackingGroup | I |
| HS Code | 29121200 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Carc. 1B Eye Irrit. 2 Flam. Liq. 1 Muta. 2 STOT SE 3 |
| Hazardous Substances Data | 75-07-0(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 1930 mg/kg (Smyth) |
| IDLA | 2,000 ppm |
| REACH Registrations | Active |
