2-Methyl-2-propyl-1,3-propanediol
Synonym(s):2,2-Bis(hydroxymethyl)pentane
- CAS NO.：78-26-2
- Empirical Formula: C7H16O2
- Molecular Weight: 132.2
- MDL number: MFCD00004696
- EINECS: 201-099-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:10:31
What is 2-Methyl-2-propyl-1,3-propanediol?
Description
2-Methyl-2-propyl-1,3-propanediol is produced either by the salt-free procedure based on aldol addition followed by hydrogenation or by the classical combination of hydroxymethylation and Cannizzaro-type disproportionation with formaldehyde. The production costs are considerably higher than for neopentyl glycol, because the synthesis of 2-methylpentanal from propanal requires two additional steps: aldol condensation and hydrogenation.
Chemical properties
Whgite Crystalline Solid
The Uses of 2-Methyl-2-propyl-1,3-propanediol
A intermediate in the synthesis of Carisoprodol
The Uses of 2-Methyl-2-propyl-1,3-propanediol
An intermediate in the synthesis of Carisoprodol.
The Uses of 2-Methyl-2-propyl-1,3-propanediol
2-Methyl-2-propyl-1,3-propanediol is mainly used in pharmaceutical applications such as production of dicarbamates. Meprobamate (2-methyl-2-propyl-1,3-propanediol dicarbamate), is used as an anxiolytic drug (tranquilizer). Carisoprodol (N-isopropyl-2-methyl-2-propyl-1,3-propanediol dicarbamate), possesses strong centrally-acting muscle relaxant activity.
Properties of 2-Methyl-2-propyl-1,3-propanediol
| Melting point: | 57-59 °C (lit.) |
| Boiling point: | 230 °C/753 mmHg (lit.) |
| Density | 0.9744 (rough estimate) |
| refractive index | 1.4474 (estimate) |
| Flash point: | >230 °F |
| storage temp. | Refrigerator |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | 14.57±0.10(Predicted) |
| color | White |
| BRN | 1734432 |
| CAS DataBase Reference | 78-26-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,3-Propanediol, 2-methyl-2-propyl-(78-26-2) |
| EPA Substance Registry System | 1,3-Propanediol, 2-methyl-2-propyl- (78-26-2) |
Safety information for 2-Methyl-2-propyl-1,3-propanediol
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P501:Dispose of contents/container to..… |
Computed Descriptors for 2-Methyl-2-propyl-1,3-propanediol
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