8.00004

Acetaldehyde

for synthesis

• Synonym(s): Acetaldehyde, Ethanal, Acetic Aldehyde, Ethyl Aldehyde
• Empirical Formula (Hill Notation): C₂H₄O
• CAS Number: 75-07-0
• Molecular Weight: 44.05
• MDL number: MFCD00006991
• UNSPSC Code: 12352114
• EC Index Number: 200-836-8
• NACRES: NA.22

Properties

• vapor pressure: 1006 hPa ( 20 °C)
• Quality Level: 200
• assay: ≥99% (GC)
• form: liquid
• autoignition temp.: 140 °C
• expl. lim.: 4-57 % (v/v)
• pH: 5 (20 °C, 10 g/L in H₂O)
• bp: 20.4 °C/1013 hPa
• mp: -123 °C
• transition temp: flash point -20 °C
• density: 0.78 g/cm³ at 20 °C
• storage temp.: 2-8°C
• InChI: 1S/C2H4O/c1-2-3/h2H,1H3
• InChI key: IKHGUXGNUITLKF-UHFFFAOYSA-N

Description

General description

Acetaldehyde is an organic compound and one of the significant aldehydes. Acetaldehyde is employed to produce acetic anhydride, acetic acid, cellulose acetate, pyridine derivatives, pentaerythritol, peracetic acid, and terephthalic acid. Furthermore, it is used as a solvent.

Application

Acetaldehyde is used as a raw material to synthesis acetal(1,1-dimetoxyethane) using Smopex 101 fibres catalyst.

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 5°C/ 4°C): 0.798 - 0.801

Safety Information

• pictograms: GHS02,GHS07,GHS08
• signalword: Danger
• hcodes: H224 - H319 - H335 - H341 - H350
• pcodes: P202 - P210 - P233 - P305 + P351 + P338 - P308 + P313 - P403 + P233
• Hazard Classifications: Carc. 1B - Eye Irrit. 2 - Flam. Liq. 1 - Muta. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: -38.0 °F - closed cup
• flash_point_c: -38.89 °C - closed cup