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73137

Supelco

2,2-Dimethoxypropane

analytical standard

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
Beilstein:
635678
EC Number:
201-056-0
MDL number:
MFCD00008479
UNSPSC Code:
41116107
PubChem Substance ID:
329764648
NACRES:
NA.02

grade

analytical standard

Quality Level

100

vapor density

3.59 (vs air)

vapor pressure

60 mmHg ( 15.8 °C)

Assay

≥99.4% (GC)

shelf life

limited shelf life, expiry date on the label

expl. lim.

31 %, 58 °F
6 %, 27 °F

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

refractive index

n20/D 1.378 (lit.)
n20/D 1.378

bp

79-81 °C
83 °C (lit.)

density

0.847 g/mL at 25 °C (lit.)

application(s)

environmental

format

neat

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 is an organic compound, which may be used as a protecting agent in the process of the synthesis of structurally related alkaloids like narciclasine and lycoricidine using phenylbromide as the starting material.

Application

2,2-Dimethoxypropane may be used as an analytical standard for the determination of the analyte in biological samples by headspace gas chromatography-mass spectrometry (HS-GC/MS) technique.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225,H319

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

Supplementary Hazards

EUH066

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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Certificates of Analysis (COA)

Lot/Batch Number
BCCM3441
BCCK6894
BCCK7767
BCCG2060
BCCF8515

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Quantitative determination of n-propane, iso-butane, and n-butane by headspace GC-MS in intoxications by inhalation of lighter fluid
Bouche MPLA, et al.
Journal of Analytical Toxicology, 26(1), 35-42 (2002)
Total Synthesis of Lycoricidine and Narciclasine by Chemical Dearomatization of Bromobenzene
Southgate.HE, et al.
Angewandte Chemie (Weinheim an der Bergstrasse, Germany), 129(47), 15245-15248 (2017)
K Conway et al.
Biotechnic & histochemistry : official publication of the Biological Stain Commission, 74(1), 20-26 (1999-04-06)
Chemical dehydration can be accomplished using 2,2-dimethoxypropane (DMP). In the presence of an acid catalyst, this liquid reacts with water generating methanol and acetone as products. Although DMP is more expensive per milliliter than ethanol and other solvents used for
Vladimir A Khripach et al.
Steroids, 75(1), 27-33 (2009-09-30)
Preparation of partially protected brassinosteroids is achieved through the reaction of the source material (24-epicastasterone and 24-epibrassinolide) with diol-specific reagents (2,2-dimethoxypropane and methylboronic acid). The obtained products were shown to be useful synthetic intermediates for further preparation of minor representatives
H E Gruber et al.
Stain technology, 60(6), 337-344 (1985-11-01)
Undemineralized methacrylate embedded bone biopsies and other bone specimens can be processed much more rapidly by application of acidified 2,2-dimethoxypropane (DMP) dehydration, which requires two hours, than by traditional graded ethanol dehydration, which requires at least four days. This shortened
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