Acetaldehyde
Acetaldehyde is the aldehyde formed from acetic acid by reduction of the carboxy group.
Acetaldehyde is also called as MeCHO. It is miscible with naptha, gasoline, xylene, ether, turpentine, alcohol and benzene. It has no colour and is a flammable liquid. It has a suffocating smell. It is non-corrosive to many metals but when It has a narcotic action and can cause mucous irritation.
Acetaldehyde has a wide range of applications and is a raw material in the manufacture of many everyday products, such as paint binders, plasticisers and superabsorbents in baby nappies.
Acetaldehyde is also used in the manufacture of various types of building materials, fire protection paints, synthetic lubricants and explosives. In the pharmaceutical industry, it is used, among other things, in the manufacture of vitamins, sleeping aids and sedatives. Acetaldehyde is also often used as a base when producing acetic acid, which is also a basic chemical with many uses.
In the food industry, Acetaldehyde is used in the manufacture of preservatives and flavourings and occurs naturally in fruit and fruit juices. Acetaldehyde arises naturally during fermentation and is found in low levels in foodstuffs such as milk products, soy products, pickled vegetables and non-alcoholic beverages.
Acetaldehyde is widely used in the manufacturing of perfumes, drugs, acetic acid, flavouring agent, dyes, etc. When acetaldehyde is applied externally for prolonged periods it is toxic. Acetaldehyde was first observed in the year 1774 by the Swedish pharmacist/chemist Carl Wilhelm Scheele.
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Formula: CH₃CHO MW: 44.05 g/mol Storage Temperature: Ambient |
CAS Number: 75-07-0 EINECS: 200-836-8 UN: 1089 ADR: 3,I |
Storage :
Store in a segregated and approved area. Keep container in a cool, well-ventilated area. Keep container tightly closed and sealed until ready for use. Avoid all possible sources of ignition (spark or flame).
| Formula | C2H4O |
| Molecular Weight/ Molar Mass | 44.05 g/mol |
| State | Liquid |
| Appearance (Color) | Colorless |
| Purity (GC) | > 99.00 % |
| Density | 0.784 g/cm3 |
| Boiling Point | 20.2 °C |
| Melting Point | -123.5 °C |
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