Description
Description
22-Dimethoxypropane Reagent Grade 98% 2.5 Liter
Synonym: Acetone dimethyl acetal
- CAS Number 77-76-9
- Linear Formula (CH3)2C(OCH3)2
- Molecular Weight 104.15
- Beilstein/REAXYS Number 635678
- EC Number 201-056-0
- MDL number MFCD00008479
- PubChem Substance ID 24893272
- NACRES NA.21
| Quality Level | 200 |
| grade | reagent grade |
| vapor density | 3.59 (vs air) |
| vapor pressure | 60 mmHg ( 15.8 °C) |
| assay | 98% |
| 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 |
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.
GHS02, GHS07
Signal word Danger
Hazard statements H225-H319
Precautionary statements P210-P305 + P351 + P338
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RIDADR UN 1993BE 3 / PGII
WGK Germany 2
Flash Point(F) 14 °F
Flash Point(C) -10 °C
Documents
Safety Data Sheet
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