D136808
2,2-Dimethoxypropane
reagent grade, 98%
Synonym(s):
Acetone dimethyl acetal
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About This Item
Linear Formula:
(CH3)2C(OCH3)2
CAS Number:
Molecular Weight:
104.15
Beilstein:
635678
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.21
Recommended Products
grade
reagent grade
Quality Level
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
refractive index
n20/D 1.378 (lit.)
bp
83 °C (lit.)
density
0.847 g/mL at 25 °C (lit.)
SMILES string
COC(C)(C)OC
InChI
1S/C5H12O2/c1-5(2,6-3)7-4/h1-4H3
InChI key
HEWZVZIVELJPQZ-UHFFFAOYSA-N
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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.
Application
Reagent for the preparation of 1,2-diols as acetonides.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2
Supplementary Hazards
Storage Class Code
3 - Flammable liquids
WGK
WGK 2
Flash Point(F)
14.0 °F - closed cup
Flash Point(C)
-10 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Greene, T.W. Wuts, P.G.M.
Protective Groups in Organic Synthesis, 123-123 (1991)
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.
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Journal of Pharmaceutical Sciences, 58(9), 1089-1092 (1969)
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Journal of lipid research, 22(5), 852-858 (1981-07-01)
A rapid and sensitive method for the analysis of plasma free fatty acids with glass capillary column gas-liquid chromatography and flame ionization detection is described. The plasma sample, together with n-pentadecanoic acid as an internal standard, was treated with 2,2-dimethoxypropane
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