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About This Item

Linear Formula:
CH3CH=CHCH(OC2H5)2
CAS Number:
63511-92-2
Molecular Weight:
144.21
MDL number:
MFCD00239338
UNSPSC Code:
12352100
PubChem Substance ID:
24867717
NACRES:
NA.22
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grade

technical

Assay

90%

refractive index

n20/D 1.412 (lit.)

bp

146-150 °C (lit.)

density

0.831 g/mL at 25 °C (lit.)

SMILES string

[H]\C(C)=C(\[H])C(OCC)OCC

InChI

1S/C8H16O2/c1-4-7-8(9-5-2)10-6-3/h4,7-8H,5-6H2,1-3H3/b7-4+

InChI key

ZUMISMXLQDKQDS-QPJJXVBHSA-N

General description

trans-2-Butenal diethyl acetal is an acetal. Acetals are usually derived from the aldehydes. They have two single-bonded oxygen atoms attached to the same carbon atom. They are stable under basic conditions and they can be hydrolyzed back to the carbonyl compound. Acetals serves as a carbonyl protecting group and also are present as functional groups in glycosidic bonds. trans-2-Butenal diethyl acetal has been synthesized from trans-2-butenal with ethanol in the presence of methanesulfonic acid or methylsulfonate as catalysts.

Application

trans-2-Butenal diethyl acetal may be used in the preparation of 2S,3S-epoxybutan-1-ol, an intermediate in the synthesis of erythromycin antibiotic.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

93.2 °F - closed cup

Flash Point(C)

34 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
11823DU
14526LN
00703BU

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