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Merck
CN

D136808

2,2-Dimethoxypropane

reagent grade, 98%, liquid, suitable for analytical testing

Synonym(s):

Acetone dimethyl acetal

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About This Item

Linear Formula:
(CH3)2C(OCH3)2
CAS Number:
77-76-9
Molecular Weight:
104.15
MDL number:
MFCD00008479
NACRES:
NA.21
PubChem Substance ID:
24893272
UNSPSC Code:
12352100
EC Number:
201-056-0
Beilstein/REAXYS Number:
635678
Grade:
reagent grade
Assay:
98%
Bp:
83 °C (lit.)
Vapor pressure:
60 mmHg ( 15.8 °C)

Key Documents

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Product Name

2,2-Dimethoxypropane, reagent grade, 98%

InChI key

HEWZVZIVELJPQZ-UHFFFAOYSA-N

InChI

1S/C5H12O2/c1-5(2,6-3)7-4/h1-4H3

SMILES string

COC(C)(C)OC

grade

reagent grade

vapor density

3.59 (vs air)

vapor pressure

60 mmHg ( 15.8 °C)

assay

98%

form

liquid

expl. lim.

31 %, 58 °F
6 %, 27 °F

dilution

(for analytical testing)

refractive index

n20/D 1.378 (lit.)

bp

83 °C (lit.)

density

0.847 g/mL at 25 °C (lit.)

functional group

ether
ketal

Quality Level

200

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Application

Reagent for the preparation of 1,2-diols as acetonides.

General description

2,2-Dimethoxypropane (DMP) is an organic building block commonly employed as a precursor to generate 2-methoxypropene (MPP). The degradation study of DMP in ionic liquids showed the formation of MPP and 2-ethoxypropene (EPP) in an identical ratio due to the tunneling effect. Conformational analysis of DMP based on ab initio calculations and matrix isolation infrared spectroscopy has been reported. DMP reacts with water to produce methanol and acetone. This reaction has been employed in a method for the quantification of water in natural products by gas-liquid chromatography. Acidified DMP has been employed for the dehydration of biological samples.

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

hcodes

H225,H319

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

supp_hazards

EUH066

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

14.0 °F - closed cup

flash_point_c

-10 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
STBL4092
MKCM9898
MKCV5619
STBK4276
STBL3322

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The importance of tunneling effect to the decomposition of 2, 2-dimethoxypropane and 2,2-diethoxypropane.
Jiang H, et al.
Chemical Physics Letters, 406(4), 489-494 (2005)
Gas chromatographic determination of water in natural products by reaction with 2,2-dimethoxypropane.
Mary NY.
Journal of Pharmaceutical Sciences, 58(9), 1089-1092 (1969)
Greene, T.W. Wuts, P.G.M.
Protective Groups in Organic Synthesis, 123-123 (1991)
Davit Jishkariani et al.
ACS nano, 11(8), 7958-7966 (2017-08-05)
Janus nanoparticles (NPs) often referred to as nanosized analogs of molecular surfactants are amphiphilic structures with potential applications in materials science, biomedicine, and catalysis, and their synthesis and self-assembly into complex architectures remain challenging. Here, we demonstrate the preparation of
Akito Takeuchi et al.
Biomedical chromatography : BMC, 24(5), 465-471 (2009-08-19)
A method for routinely determination of dimethyl sulfoxide (DMSO) and dimethyl sulfone (DMSO(2)) in human urine was developed using gas chromatography-mass spectrometry. The urine sample was treated with 2,2-dimethoxypropane (DMP) and hydrochloric acid for efficient removal of water, which causes
View All Related Papers

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