Acetaldehyde
ALDRICH/W200336 - natural, FG
Synonym: Ethanal
CAS Number: 75-07-0
Empirical Formula (Hill Notation): C2H4O
Molecular Weight: 44.05
EC Number: 200-836-8
MDL Number: MFCD00006991
Linear Formula: CH3CHO
Product Type: Chemical
| application(s) | flavors and fragrances |
| assay | ≥99% (GC) |
| autoignition temp. | 365 °F |
| bp | 21 °C (lit.) |
| density | 0.785 g/mL at 25 °C (lit.) |
| documentation | see Safety & Documentation for available documents |
| expl. lim. | 60 % |
| food allergen | no known allergens |
| form | liquid |
| grade | FG |
| Halal | |
| Kosher | |
| natural | |
| greener alternative category | Aligned  |
| greener alternative product characteristics | Less Hazardous Chemical Syntheses Use of Renewable Feedstocks Learn more about the Principles of Green Chemistry . |
| InChI | 1S/C2H4O/c1-2-3/h2H,1H3 |
| InChI key | IKHGUXGNUITLKF-UHFFFAOYSA |
| mp | −125 °C (lit.) |
| organoleptic | ethereal |
| pH | 5 (20 °C) |
| Quality Level | 400 |
| refractive index | n |
| reg. compliance | EU Regulation 1334/2008 & 178/2002 |
| FDA 21 CFR 117 | |
| SMILES string | CC=O |
| storage temp. | 2-8°C |
| vapor density | 1.52 (vs air) |
| vapor pressure | 14.63 psi ( 20 °C) |
| Caution: | May form a small amount of trimer |
| General description: | Acetaldehyde is an important volatile flavoring compound found in Sherry-like wines and also in many fruits. It is mainly used as a flavoring ingredient in milk products, fruit juices and soft drinks. |
| Legal Information: | For R&D Use and/or Food Manufacturing only |
| Packaging: | 1.9 kg in aluminum bottle |
| Packaging: | 16.5 kg in stainless steel drum |
| Packaging: | 400 g in aluminum bottle |
| Symbol |    GHS02,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H224 - H319 - H335 - H341 - H350 |
| Precautionary statements | P202 - P210 - P233 - P305 + P351 + P338 - P308 + P313 - P403 + P233 |
| Hazard Codes | F+,Xn |
| Risk Statements | 12-36/37-40 |
| Safety Statements | 16-33-36/37 |
| RIDADR | UN1089 - class 3 - PG 1 - Acetaldehyde |
| WGK Germany | WGK 3 |
| Flash Point(F) | -38.0 °F - closed cup |
| Flash Point(C) | -38.89 °C - closed cup |
| Purity | ≥99% (GC) |
| bp | 21 °C (lit.) |
| mp | −125 °C (lit.) |
| Density | 0.785 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | 2-8°C |
| FEMA Number | 2003 |
| UNSPSC | 12164502 |