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Home > Encyclopedia > 2,2-Diethoxyethanol

2,2-Diethoxyethanol

2,2-Diethoxyethanol structure

2,2-Diethoxyethanol 

structure
  • CAS No:

    621-63-6

  • Formula:

    C6H14O3

  • Chemical Name:

    2,2-Diethoxyethanol

  • Synonyms:

    Ethanol,2,2-diethoxy-;Glycolaldehyde,diethyl acetal;2,2-Diethoxyethanol;Hydroxyacetaldehyde diethyl acetal;2-Hydroxyacetaldehyde diethyl acetal;NSC 9255;401573-62-4

  • Categories:

    Pharmaceutical Intermediates  >  Respiratory Tract

2,2-Diethoxyethanol Basic Attributes

134.17

134.17

773727

210-697-5

6T6P26VUF6

9255

DTXSID60211155

2911000000

Characteristics

38.7

0.1

Colorless pure liquid

0.984 g/cm3 @ Temp: 22 °C

209 - 211ºC

167 °C

62°C

1.418

Miscible with water, chloroform and ethyl acetate.

Safety Information

6.1

23-24/25

P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501

H315

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 40 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

2,2-Diethoxyethanol Use and Manufacturing

Methods of Manufacturing

302, 6 g (8 mol) of sodium borohydride was added to 2 1 of 1, 2-dimethoxyethane (monoglyme) with stirring, after which 704, 8 g (4 mol) ethyl diethoxyacetate dissolved in 4 1 of ethanol was added dropwise within 4 hours so that the temperature was kept below 50 °C. The mixture was then heated to reflux for 3 hours. Then 2 1 of ethanol was distilled off, and 4 1 of water was added dropwise while the remaining ethanol and then the 1, 2-dimethoxyethane was removed by distillation. During the water addition an abundant precipitate was formed which dissolved towards the end of the addition. The mixture was cooled on an icebath and 600 g of potassium carbonate was dissolved therein while stirring. The mixture was extracted with 2 1 of diethyl ether and dried with MgSO4. The diethyl ether was evaporated off and the crude product was distilled in vacuo at 75-76 °C (15 mm Hg). Yield = 475.8 g = 88.7 percent [] Elemental analysis: CalculatedC 53.7percentH 10.5percentFoundC 53.11percentH 10.57percentIR: 3441 cm-1; 2976 cm-1; 2931 cm-1 ; 2883 cm-1; 1445 cm-1 1374 cm-1; 1345 cm-1; 1235 cm-1; 1134 cm-1; 1073 cm-1 (Between KBr plates)The stainless steel pressure vessel (40 cc, Swagelok) is filled in with the methanol (15.0 g: Sigma-Aldrich, 003e99.8percent) solution of the metal salt (metal ion supply source), and sucroses (0.450 g: Fluka, 003e99.0percent) and catalyst (0.150 g). The reactor is closed and it heats up under the mixing (700 rpm) with 160. In 160 reaction, it makes maintained for 16 hours and the container reaction rapidly is cooled in the cold water after this period as the dipping. Sample from the reaction container was filtered and it analyzed with the HPLC (the Agilent 1200, the Biorad Aminex HPX-87H column, 65, 0.05 M H

Uses

Used as pharmaceutical intermediate

Computed Properties

Molecular Weight:134.17
XLogP3:0.1
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:5
Exact Mass:134.094294304
Monoisotopic Mass:134.094294304
Topological Polar Surface Area:38.7
Heavy Atom Count:9
Complexity:50.3
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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