A902

Acetaldehyde diethyl acetal

99%

• Synonym(s): 1,1-Diethoxyethane, Acetal
• Linear Formula: CH₃CH(OC₂H₅)₂
• CAS Number: 105-57-7
• Molecular Weight: 118.17
• Beilstein/REAXYS Number: 1098310
• EC Number: 203-310-6
• MDL number: MFCD00009243
• UNSPSC Code: 12352100
• PubChem Substance ID: 24891397
• NACRES: NA.22

Properties

• vapor density: 4.1 (vs air)
• Quality Level: 200
• vapor pressure: 20 mmHg ( 20 °C); 8 mmHg ( 8 °C)
• assay: 99%
• form: liquid
• autoignition temp.: 446 °F
• expl. lim.: 10.4 %
• refractive index: n20/D 1.379-1.383 (lit.)
• bp: 102 °C (lit.)
• density: 0.831 g/mL at 25 °C (lit.)
• SMILES string: CCOC(C)OCC
• InChI: 1S/C6H14O2/c1-4-7-6(3)8-5-2/h6H,4-5H2,1-3H3
• InChI key: DHKHKXVYLBGOIT-UHFFFAOYSA-N

Description

Application

Acetaldehyde diethyl acetal can react with diketene to form ethyl 5-ethoxy-3-oxohexanoate in the presence of titanium chloride. It can also be used to synthesize mixed acetal glycosides via transacetalation.

Safety Information

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H225,H315,H319
• pcodes: P210 - P233 - P240 - P241 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 2
• flash_point_f: <68.0 °F - closed cup
• flash_point_c: < 20 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter