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HomeProduct name list2,2-Dimethyl-1,3-dioxolane-4-methanol

2,2-Dimethyl-1,3-dioxolane-4-methanol

Synonym(s):(±)-2,2-Dimethyl-1,3-dioxolane-4-methanol;(±)-2,2-Dimethyl-4-hydroxymethyl-1,3-dioxolane;1,2-Isopropylidene-rac-glycerol;Solketal

  • CAS NO.:100-79-8
  • Empirical Formula: C6H12O3
  • Molecular Weight: 132.16
  • MDL number: MFCD00063238
  • EINECS: 202-888-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-29 11:48:30
2,2-Dimethyl-1,3-dioxolane-4-methanol Structural

What is 2,2-Dimethyl-1,3-dioxolane-4-methanol?

Description

1,2-Isopropylideneglycerol (IPG) is a relatively high-boiling solvent and reagent that also goes by the names 2,2-dimethyl-1,3-dioxolane-4-methanol, acetone glycerol, and the trade name Solketal. It is miscible with water and organic solvents that range in polarity from alcohols to hydrocarbons. The molecule has a stereogenic center, but the article of commerce is normally the racemic mixture.
IPG was first synthesized in 1895 by legendary German organic chemist Emil Fischer1 during his research on the reactions of sugars with aldehydes and ketones. He and his colleagues treated anhydrous glycerol with acetone and a catalytic amount of hydrogen chloride. Researchers have continued to refine the synthesis; today, IPG is produced continuously using heterogeneous catalysis.
IPG is used as a starting material for producing glycerides by esterification of its hydroxyl group and transesterification of the isopropylidine moiety. It is also widely used as a solvent for chemical reactions and as a component of various types of cleaning solutions.
The wide availability of byproduct glycerol from biodiesel manufacture allows IPG producers to claim that it is a “green” solvent. As an example, the chemical giant Solvay makes it in Brazil under the trade name Augeo Clean Multi. In addition to the solvent’s sustainability, Solvay claims benefits such as low vapor pressure, slight odor, high flash point, and low human and environmental toxicity.
1. Fischer was the 1902 recipient of the Nobel Prize in Chemistry.

Chemical properties

clear colourless liquid

The Uses of 2,2-Dimethyl-1,3-dioxolane-4-methanol

A MEK inhibitor

The Uses of 2,2-Dimethyl-1,3-dioxolane-4-methanol

Solketal is useful for synthesis of mono-, di- and triglycerides. It is used as the starting reagent for synthesis of tulipaline derivatives. It acts as a fuel additive in gasoline. It is an inhibitor of Methyl ethyl ketone .

The Uses of 2,2-Dimethyl-1,3-dioxolane-4-methanol

DL-1,2-Isopropylideneglycerol was used as the starting reagent for synthesis of tulipaline derivatives.

Synthesis Reference(s)

Tetrahedron, 52, p. 9387, 1996 DOI: 10.1016/0040-4020(96)00501-7
The Journal of Organic Chemistry, 53, p. 2859, 1988 DOI: 10.1021/jo00247a043

General Description

DL-1,2-Isopropylideneglycerol undergoes effective isopropylidenation and deprotection reaction catalyzed by phosphotungstic acid.

Safety Profile

A poison by intravenous route. An eye irritant. Mutation data reported. A very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. To fight fire, use alcohol foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and fumes.

Properties of 2,2-Dimethyl-1,3-dioxolane-4-methanol

Melting point: -27℃
Boiling point: 189-191 °C
Density  1.066 g/mL at 20 °C(lit.)
vapor pressure  34Pa at 20℃
refractive index  n20/D 1.434
Flash point: 176 °F
storage temp.  Sealed in dry,2-8°C
solubility  172g/l soluble
form  Liquid
appearance colorless oily liquid
pka 14.20±0.10(Predicted)
color  Clear colorless
PH 4.0-7.5 (H2O)
Water Solubility  miscible
Merck  14,5213
BRN  104465
CAS DataBase Reference 100-79-8(CAS DataBase Reference)
NIST Chemistry Reference 1,3-Dioxolane-4-methanol, 2,2-dimethyl-(100-79-8)
EPA Substance Registry System 1,3-Dioxolane-4-methanol, 2,2-dimethyl- (100-79-8)

Safety information for 2,2-Dimethyl-1,3-dioxolane-4-methanol

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P337+P313:IF eye irritation persists: Get medical advice/attention.

Computed Descriptors for 2,2-Dimethyl-1,3-dioxolane-4-methanol

InChIKey RNVYQYLELCKWAN-UHFFFAOYSA-N

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